1065results about "Thermal switch details" patented technology

Temperature-dependent switch (10) comprising: a switch housing (12) with a lower part (16) and a cover part (18) closing the lower part (16);a temperature-dependent switching mechanism (14) which is arranged in the switch housing (12) and has a movable contact part (30), a bimetallic element (26) and a spring element (24) cooperating with the movable contact part (30), wherein the switching mechanism (14) is configured to switch between a low-temperature position, in which it presses the movable contact part (30) against a contact surface (34) arranged inside the switch housing (12) and thereby establishes an electrical connection between a first electrical external terminal (56) of the switch (10) and a second electrical external terminal (58) of the switch (10), and a high-temperature position, in which it keeps the movable contact part (30) spaced away from the contact surface (34) and thereby interrupts the electrical connection between the first electrical external terminal (56) and the second electrical external terminal (58);and a spacer element (44) which is arranged inside the switch housing (12) between the lower part (16) and the cover part (18); wherein at least one section (42) of the spring element (24) is arranged between the spacer element (44) and the switch housing (12) and is fixed in position by an interaction of the spacer element (44) and the switch housing (12), and wherein at least one section (52) of the bimetallic element (26) is arranged between the spring element (24) and the spacer element (44) and is supported on the spacer element (44) in the high-temperature position of the switching mechanism (14).

A temperature-dependent switch comprising a switch housing, a temperature-dependent switching mechanism, and a spacer element. The temperature-dependent switching mechanism is arranged in the switch housing and comprises a movable contact part, a bimetal element and a spring element. The switching mechanism is configured to switch between a low-temperature state, in which an electrical connection is established between first and second electrical terminals, and a high-temperature state, in which the electrical connection between the first and second electrical terminals is interrupted. The spacer element is arranged inside the switch housing between a lower part and a cover part. At least one section of the spring element is arranged between the spacer element and the switch housing and is fixed in position. At least one section of the bimetal element is arranged between the spring element and the spacer element and is supported on the spacer element in the high-temperature state.

A temperature-dependent switch, including a switching mechanism unit, and a switching mechanism housing including a first base body composed of electrically conductive material. The temperature-dependent switch further includes a switch housing having a second base body composed of electrically insulating material, in which the switching mechanism housing is arranged, wherein the switch housing includes a stationary contact part. The first base body of the switching mechanism housing surrounds the switching mechanism unit from a first housing side, a second housing side opposite to the first housing side, and a housing circumferential side extending between and transversely to the first and the second housing sides. The first housing side includes an opening through which a movable contact part of the switching mechanism unit interacts with the stationary contact part. The second base body surrounds the first housing side and the circumferential housing side of the switching mechanism housing.

A compensation bimetal having at least two bends configured to reverse the direction of the compensation bimetal to form “S” curves is disclosed. The first end of the compensation bimetal is coupled with a differential lever while the second end is coupled with a tripping pin, and the length of the multi-metallic strip is greater than the distance between the differential lever and the tripping pin. The compensation bimetal may be bimetallic, trimetallic strip, or tetra-metallic. The compensation bimetal with the described configuration compensates for a greater range of ambient temperature fluctuations while preserving sensitivity to thermal tripping due to over-current conditions.

A overload protection switch with a reverse restart switching structure that has a seesaw lampshade provided with a protruding block which extending downward from the outside of the seesaw lampshade to ensure that the seesaw lampshade and the moving rod are accurately positioned in the ON and OFF positions in the housing to form a three-stage switching type with bidirectional positioning and forms an overload protection switch that can continuously maintain sufficient insulation distance and does not reduce the insulation distance due to fatigue decay of the binary alloy conductive plate.

The utility model discloses an electric kettle temperature controller with high safety, which belongs to the technical field of electric kettles and comprises a kettle, an upper coupler base positioned in the kettle, a kettle seat arranged below the kettle and a lower coupler base which is arranged in the kettle seat and is connected with the upper coupler base in an inserting manner, and an annular plate is arranged at the top of the lower coupler base. The annular plate is arranged at the top of the lower coupler base, the lower coupler base can ascend and descend from the inner hole of the annular plate, the lifting mechanism is composed of the first spring, the through groove, the warping rod and the second spring, and the covering mechanism is composed of the pull rope, the partition plate and the sliding groove. According to the kettle, the lower coupler base can be controlled to ascend only when the kettle base is opened, the lower coupler base is connected with the upper coupler base in an inserted mode, after the kettle is separated from the kettle base, the lower coupler base can be automatically hidden and covered through the partition plate, and use safety is guaranteed.

Provides a plug that cuts off the current in the event of overcurrent or overheating. [Solution] The present invention relates to the technical field of plugs, specifically, a temperature controlled cut-off plug, comprising a body 1 and a lead end 2, the lead end 2 being fixed to a first end of the body 1, a live pin 21 and a neutral pin 22 being provided at a second end of the body, and an overheating and overcurrent protection unit being connected in series between the lead end 2 and the live pin 21 and / or between the lead end 2 and the neutral pin 22. The present invention has a reasonable structure, and since an overheating and overcurrent protection unit is provided in the plug body, when an overcurrent or overheat occurs between the plug and the socket due to poor contact or short circuit in the circuit, the circuit between the lead end 2 and the pin is automatically cut off, thereby preventing the plug or socket from burning out and affecting the use of other electrical products.

A device structure includes a first series connection of a first phase change memory (PCM) switch and a second PCM switch. The first PCM switch includes a first heater line, a first PCM line, and a first contact electrode and a second contact electrode located on the first heater line. The second PCM switch includes a second heater line, a second PCM line, and a third contact electrode and a fourth contact electrode located on the second heater line. The second contact electrode is electrically connected to the third contact electrode. The fourth contact electrode is electrically grounded. One of the first contact electrode and the second contact electrode includes an radio-frequency (RF) signal input port. Another of the first contact electrode and the second contact electrode comprises an RF signal output port. The device structure may function as a combination PCM switch that decreases noise level during signal transmission.

An overvoltage protection device having a casing with an internal space, an earth branch, a positive branch, and a negative branch that join. The device also has an earth connector, n1 positive connectors, n1 being greater or equal to 3, and n2 negative connectors, n2 being greater than or equal to 3.

The invention belongs to the technical field of industrial temperature controllers, and particularly relates to a full-automatic intelligent temperature controller, which comprises a wiring bottom box and an integrated top box, and is characterized in that the wiring bottom box comprises a bottom cover; the integrated top box comprises a top cover, and a temperature acquisition plate is mounted on the top cover; a movable wiring terminal and a fixed wiring terminal are installed in the bottom cover, and the movable wiring terminal and the fixed wiring terminal are respectively connected with the temperature acquisition board. When an electric appliance is short-circuited, the stepping motor drives the rotating disc and the sliding head to rotate, the insulating rod is separated from the moving contact, the moving contact is disconnected from the fixed contact under the action of the spring, then the electromagnet is reversely electrified, the electromagnet and the permanent magnet on the air cylinder repel each other, and the sliding head is separated from the rotating disc; when the temperature of the circuit drops, the stepping motor drives the turntable to rotate through the belt, and the sliding head is separated from the turntable, so that the temperature controller is in a disconnected state when the turntable rotates, and secondary damage of the electric appliance caused by automatic connection of the temperature controller after the temperature drops is avoided.

The utility model relates to a thermal protector which is fast in disconnection and strong in bearing capacity. The thermal protector is mainly used for over-temperature rise and over-current protection of a refrigeration compressor or other motors. The heating device comprises a pin, a cover plate, a movable contact spring, a bimetallic strip, a first static pin, a second static pin, a heating body, a third static pin and a base, the two ends of the heating body are welded to the first static pin and the second static pin respectively, one end of the movable contact spring is electrically connected with the first static pin, the other end of the movable contact spring is matched with the third static pin, the pin is electrically connected with the third static pin, and the bimetallic strip is arranged on the base. The heating device is structurally characterized in that a loading cavity used for installing the heating body is formed in the base, a limiting table used for placing the heating body is arranged at the bottom of the loading cavity, the heating body is a spiral heating body or a planar heating body, and when the heating body is the spiral heating body, the limiting table is of a plurality of semicircular protruding structures. When the heating body is a planar heating body, the limiting table is arranged to be of a structure with two strip-shaped protrusions.

The invention relates to the technical field of thermal protectors, in particular to a thermal protector with a protection structure, which comprises a thermal protector body and two wires, the thermal protector body is sleeved with a shell, the front end of the shell is provided with a front cover, the front cover is provided with a pre-tightening opening, and the section of the pre-tightening opening gradually retracts from the inside of the front cover to the outside of the front cover. The outer portions of the wires are fixedly sleeved with pre-tightening parts matched with the inner shapes of the pre-tightening openings, when the wires move towards the outer portion of the front cover, the pre-tightening parts move along with the wires and abut against the inner walls of the pre-tightening openings, and a first clamping block capable of clamping the outer portions of the two wires at the same time is arranged at the center of the side, away from the pre-tightening openings, of the inner portion of the front cover. A linkage mechanism is arranged between the first clamping blocks and the pre-tightening part, when the pre-tightening part moves outwards along with the wire, the linkage mechanism drives the two first clamping blocks to clamp the outer portion of the corresponding wire at the same time, and the stability of the thermal protector body in use is further improved through mutual cooperation of the pre-tightening part, the first clamping blocks and the linkage mechanism.

The probe type adjustable temperature controller comprises a first support, a second support, an insulation column, a movable contact piece and a fixed contact piece, the insulation column is fixed between the first support and the second support, the movable contact piece and the fixed contact piece are fixedly installed on the insulation column, the fixed contact piece is fixedly provided with a fixed contact, the movable contact piece is provided with an elastic movable end far away from the insulation column, and the movable contact piece is provided with a movable end far away from the insulation column. The elastic movable end is fixedly connected with a second metal elastic piece, the second metal elastic piece extends towards the fixed contact and forms a contact end, the contact end is fixedly provided with a movable contact, and the movable contact and the fixed contact are oppositely arranged. The probe assembly comprises a high-expansion tube and a low-expansion core, and the high-expansion tube is provided with a fixed end and a detection end. The two rod pieces with different expansion coefficients are adopted and are the high-expansion pipe and the low-expansion core respectively, under the condition of temperature change, different length changes are generated between the high-expansion pipe and the low-expansion core, and temperature control can be effectively and stably achieved.

The invention discloses an electric drill motor overload protection device, and relates to the technical field of circuit overload protection, the electric drill motor overload protection device comprises an electric drill main body, the side part of the electric drill main body is provided with a driving module, the electric drill main body is internally provided with an overload assembly, the overload assembly comprises a hard through pipe and an elastic through pipe, and the hard through pipe and the elastic through pipe are internally provided with connecting wires in a penetrating manner; composite connecting pieces are assembled outside the sides, close to each other, of the two connecting rods; the whole composite connecting piece is of a double-layer structure, the inner layer is an electrified contact head used for achieving circuit conduction, the outer layer is an adsorption magnetic ring playing a role in adsorption and fixation, thermal expansion of the heat sensitive piece is a continuous process, but the action of triggering the upper inclined plate to move to disconnect the circuit is completed instantly, and therefore the heat sensitive piece is not damaged. The delayed process of temperature accumulation is converted into the instant action of mechanical triggering, so that the response of the protection device is quicker and more reliable, timely intervention can be performed when the temperature of the motor just exceeds the safety range, and the operation time of the motor at the dangerous temperature is effectively shortened.

The present invention relates to the technical field of thermostats, and provides a sealed temperature control device with a reasonable structure, easy assembly, and high safety. [Solution] The present invention includes a ceramic box and a base, the base has a cavity structure with an opening, the base and the ceramic box are fixedly connected, a guide hole is provided between the base and the ceramic box, a temperature-sensitive sheet is provided in the base, an action mechanism is provided in the ceramic box, an action lever is provided in the guide hole for connecting the temperature-sensitive sheet and the action mechanism, and a temperature-sensitive cover is provided at the opening of the base. The present invention has a rational structure, and the temperature-sensitive cover fixes the temperature-sensitive sheet in the cavity of the base and closes the opening of the base.

The invention belongs to the technical field of power transformation cabinets, and discloses a power transformation cabinet with an in-cabinet environment monitoring function, which comprises a power transformation cabinet body, a monitoring assembly arranged in the power transformation cabinet body, and a detection assembly fixedly connected to the top of an inner cavity of the power transformation cabinet body, through cooperation of a monitoring assembly, a detection assembly, a moving assembly and other structures, secondary power failure is facilitated, gas in a plurality of supporting blocks expands when heated, then a round block is pushed to move in the direction of the moving assembly, and after the round block drives a first round rod to slide in a guide groove, limiting of a square block is relieved; the tension spring rod pulls the square block which is subjected to limit releasing to move downwards, then the square plate is driven to push a feeler lever of the second circuit breaker to move downwards, a tripping mechanism of the second circuit breaker is triggered, a power source in the power transformation cabinet body is cut off secondarily, and then the hidden danger of reignition caused by internal electric energy is thoroughly eliminated.

The invention provides a wiring terminal and a socket, and belongs to the technical field of sockets. The wiring terminal comprises a housing and a plurality of conductive members. The shell comprises a plurality of wiring holes and an accommodating cavity. And the accommodating cavity is communicated with an L-pole wiring hole in the plurality of wiring holes. The L-pole conductive part in the plurality of conductive parts comprises a first conductive sheet, a bimetallic sheet and a second conductive sheet. One end of the first conducting strip extends into the L-pole wiring hole, and the other end of the first conducting strip extends into the accommodating cavity and is connected with one end of the bimetallic strip. And the other end of the bimetallic strip is connected with one end of the second conducting strip. And the other end of the second conducting strip extends out of the accommodating cavity and is used for being connected with an L-pole plug bush assembly. And when the wiring terminal is overloaded, the bimetallic strip is disconnected with the first conducting strip or the second conducting strip, so that the power supply is cut off, and the possibility of danger is reduced. Therefore, the wiring terminal provided by the invention has an overload protection function, so that the safety of the socket can be improved, and the size of the socket is not increased.

The utility model relates to the field of transformer temperature control switches, and discloses a transformer temperature control switch silver contact, which comprises a temperature control box and a transformer groove arranged in the temperature control box, one side of the transformer groove is provided with a heat storage groove, one side of the heat storage groove is provided with a switch groove, the switch groove is internally provided with a silver contact butt joint assembly, and the silver contact butt joint assembly is connected with the transformer groove. An automatic rotating assembly is arranged on one side of the silver contact piece butt joint assembly; heat in a transformer groove is transmitted into a heat storage groove through a heat conduction rod, a thermosensitive piece on a heat conduction plate is heated and expanded to push a sliding rod to drive a driving spring to push silver contact pieces, silver contacts on the two silver contact pieces are in contact and powered on, and therefore cooling equipment is started for cooling; after the novel silver contact piece is electrified, the rotating motor and the electromagnetic valve can be started to be embedded into the electromagnetic valve embedding groove, so that acting force is applied to the silver contact piece connected with the sawtooth plate to enhance contact force, and the problem that cooling equipment is damaged due to the fact that a switch is continuously turned on and turned off when the temperature repeatedly changes at one node is solved.

The utility model belongs to the technical field of temperature controllers, and discloses a fast-assembly temperature controller which comprises a temperature control device used for controlling temperature, an installation piece is installed on the temperature control device and comprises an installation base and two substrates, the two substrates are symmetrically arranged on the two sides of the installation base, the tops of the two substrates are both rotationally connected with rotating shafts, and the rotating shafts are connected with the temperature control device. The peripheral face of the rotating shaft is fixedly connected with a rotating plate, the rotating plate is located above the mounting base or far away from the mounting base through rotation of the rotating shaft, after the base plate is fixed, the rotating plate and the rotating shaft are pulled to rotate relative to the base plate, the rotating plate is made to rotate to the position above the mounting base, and then the mounting base is fixed; the device can be disassembled only by rotating the rotating plate by a person without screwing off a bolt for fixing, and the bolt does not need to be screwed again for fixing during secondary installation, so that the secondary installation difficulty of the device is reduced.

The invention discloses a quick response type temperature fuse which comprises a shell, a bimetallic strip arranged on the shell, a tripping device, a first electrode, a second electrode and an electrical breaking device arranged between the first electrode and the second electrode in a bridging mode. The two ends of the tripping device abut against the movable end of the bimetallic strip and the electrical breaking device respectively. The bimetallic strip is close to the shell; when the bimetallic strip is heated to deform, the tripping device and the electrical breaking device are pushed to be separated from the abutting state. The electrical breaking device is kept in a conducting state under the action of external force applied by the tripping device, and the electrical breaking device is in a disconnected state when the external force is removed. According to the invention, the advantages of two technologies of a bimetallic strip and a low-melting-point alloy are integrated, the defects of the two technologies are overcome, the user experience is improved, and the product performance is also greatly improved.

An arc bypass assembly for use in a circuit breaker includes: an arc chute including a base, two arc sides extending from the base, and a plurality of arc plates arranged within the two arc sides, the arc chute structured to dissipate an arc upon opening of primary contacts of the circuit breaker during a high current event; an arc horn extending outwardly from a first edge of the base of the arc chute toward a primary stationary contact coupled to a line-in conductor, the arc horn structured to attract the arc; and an arc bypass wire coupled to the base of the arc chute at one end and to a secondary stationary arm of the circuit breaker at another end, where the arc bypass assembly is structured to redirect a portion of current generated during the high current event to the load.

The utility model discloses a novel temperature controller, which comprises a mounting shaft, a substrate, an adjusting rod, a first magnetic ring, an upper elastic sheet, a lower elastic sheet, a lower contact sheet, a bimetallic strip, a first terminal, a second terminal, a third terminal, an anti-freezing sheet, a first heating wire, a second heating wire and a first mica sheet, the substrate, the first magnetic ring, the upper elastic piece, the first terminal, the lower contact piece, the second terminal and the third terminal are sequentially arranged on the mounting shaft in a sleeving mode from top to bottom, the first mica sheet is clamped between the bimetallic strip and the third terminal, a winding part is arranged at one end of the first mica sheet, and the second heating wire is wound on the winding part of the first mica sheet. One end of the first heating wire and one end of the second heating wire are electrically connected with the bimetallic strip, the second terminal is electrically connected with the first heating wire, and the third terminal is electrically connected with the second heating wire. The length of the second heating wire is increased, so that the resistance value of the heating wire is increased, the use requirements of fast heating and slow cooling of an electric appliance are met, the volume of the whole temperature controller does not need to be increased, and the installation is convenient.

The utility model provides a quick-response over-voltage protection switch device. The quick-response over-voltage protection switch device comprises a main body, a base, an elastic disc, a sliding support assembly and at least one group of contact assemblies, the base is arranged at one end of the main body, and a channel is formed in the base; the elastic disc is clamped between the base and the main body and covers the corresponding end of the channel in a sealing manner; the sliding supporting assembly is clamped in the body in a sliding mode, one end of the sliding supporting assembly abuts against the elastic disc, and an elastic assembly is arranged between the other end of the sliding supporting assembly and the inner wall of the body. The contact assembly comprises a static contact and a movable contact, the static contact is fixed in the main body, the movable contact is fixed on the sliding support assembly and corresponds to the static contact, and the movable contact and the static contact can be connected / disconnected when the sliding support assembly slides back and forth in the main body. The high-temperature protection circuit is high in response speed and long in service life during use, and can be used for high-temperature protection.

The invention provides an overload protector and a socket, and belongs to the technical field of sockets. The overload protector comprises a shell, a first conducting strip, an overload protection piece, a second conducting strip, a reset rod and an elastic piece. The shell comprises a containing cavity, and the overload protection piece is located in the containing cavity and connected with the first conducting strip and the second conducting strip. The overload protection piece, the second conducting strip and the reset rod extend in the same direction. The reset rod is slidably connected with the shell, one end of the reset rod is located in the containing cavity and abuts against the elastic piece, and the other end of the reset rod is located outside the containing cavity. When the overload protector is changed from a normal state to an overload state, the overload protection piece and the second conducting strip are disconnected, and the elastic piece drives the reset rod to be inserted between the overload protection piece and the contact of the second conducting strip, so that a power supply is cut off. When the overload condition is eliminated, the user presses the reset rod, the reset rod is pulled away from the position between the overload protection piece and the contact of the second conducting strip, and the overload protection piece is reconnected with the second conducting strip.

The utility model discloses a quick response type temperature fuse. The quick response type temperature fuse comprises a shell, a bimetallic strip, a tripping device, a first electrode, a second electrode and an electrical breaking device, wherein the bimetallic strip, the tripping device, the first electrode and the second electrode are arranged on the shell; the electrical breaking device is arranged between the first electrode and the second electrode in a bridging manner; the two ends of the tripping device abut against the movable end of the bimetallic strip and the electrical breaking device respectively. The bimetallic strip is close to the shell; when the bimetallic strip is heated to deform, the tripping device and the electrical breaking device are pushed to be separated from the abutting state. The electrical breaking device is kept in a conducting state under the action of external force applied by the tripping device, and the electrical breaking device is in a disconnected state when the external force is removed. According to the utility model, advantages of two technologies of a bimetallic strip and a low-melting-point alloy are integrated, disadvantages of the two technologies are overcome, user experience is improved, and product performance is greatly improved.

The invention relates to the technical field of thermal fuses, in particular to a thermal fuse, a carrier tape, an onboard, a protection device and a manufacturing method. The temperature fuse comprises a first electrode, a second electrode, a temperature sensing alloy and a shell. An accommodating space is formed in the shell; the first electrode and the second electrode are respectively provided with a first end part and a second end part which are opposite; the first end part of the first electrode and the first end part of the second electrode are oppositely arranged in the accommodating space at an interval; the temperature sensing alloy is positioned in the accommodating space and is electrically contacted with the first end part of the first electrode and the first end part of the second electrode respectively; through holes are formed in the positions, located at the first end of the first electrode and the first end of the second electrode, of the shell respectively. Through the arrangement, the product size is reduced while the welding quality is improved, and the stability and the performance of the product are effectively improved.

The present invention relates to the technical field of plug wire manufacturing, in particular to a temperature-controlled plug wire, which is connected by a three-pole plug and a cable. The cable is composed of a cable core and an insulating plastic sleeve. The cable core is bundled with a live wire, a neutral wire, a ground wire and a signal control wire. The live wire plug, the neutral wire plug and the ground wire plug are directly electrically conductive with the live wire, the neutral wire and the ground wire respectively. The temperature switch is hidden in the plastic insulator and is electrically conductive with the signal control line. With the assistance of a ceramic heat conductor, the temperature switch can indirectly sense the real-time temperature of the live wire plug and the neutral wire plug. During the use of the temperature-controlled plug wire, the temperature at the live wire plug and the neutral wire plug will be transmitted to the temperature switch in real time through the ceramic heat conductor. When the temperature rises to a preset temperature value, the temperature sensing element of the temperature switch is heated to generate internal stress and quickly actuates to open the contact, and the signal control line cannot form a current loop, so that the power supply to the cable core is interrupted due to being controlled by the power control box.

The invention provides a wiring terminal and a socket, and belongs to the technical field of sockets. The wiring terminal comprises a housing and a plurality of conductive members. The shell comprises a plurality of wiring holes and an accommodating cavity. And the accommodating cavity is communicated with a first wiring hole in the plurality of wiring holes. A first conductive member in the plurality of conductive members includes a first conductive sheet, an overload protection member, and a second conductive sheet. One end of the first conducting strip extends into the first wiring hole, and the other end of the first conducting strip extends into the accommodating cavity and is connected with one end of the overload protection piece. And the other end of the overload protection piece is connected with one end of the second conducting strip. The other end of the second conducting strip extends out of the accommodating cavity and is used for being connected with a plug bush assembly. When the wiring terminal is overloaded, the overload protection piece is disconnected with the first conducting strip or the second conducting strip, so that the power supply is cut off, and the possibility of danger is reduced. Therefore, the wiring terminal provided by the invention has an overload protection function, so that the safety of the socket can be improved, and the size of the socket is not increased.

The utility model belongs to the field of integration of heavy oil underground electric heating and temperature and pressure monitoring, and particularly relates to a heavy oil underground electric heating and temperature and pressure monitoring integrated cable which comprises a high-voltage conductor and a low-voltage conductor, the high-voltage conductor is a single-core high-voltage conductor, the low-voltage conductor is a three-core low-voltage conductor, and the high-voltage conductor is a single-core high-voltage conductor. The high-voltage conductor and the low-voltage conductor are sleeved with insulating layers. The high-voltage conductor is connected with the electric heater, the low-voltage conductor is connected with the temperature sensor and the pressure sensor, and two control switches are arranged at one end, far away from the electric heater, the temperature sensor and the pressure sensor, of the cable respectively and control the high-voltage conductor and the low-voltage conductor respectively. The heavy oil underground electric heating and temperature and pressure monitoring integrated cable is simple and reasonable in structure, novel in design, easy to operate, high in practicability and convenient to widely popularize and use.

Protective equipment for control panels and control panel monitoring system The invention relates to a protective device for control panels comprising a support (10), further comprising at least one fuse base (1a) for fixing a fuse (1b), at least one thermal fuse (7), at least one supply / drain contact (3), at least one disconnect contact (4), at least one input / output contact (2a) designed to connect conductors for bidirectional flow of electric current, the fuse base (10) being removably connected, the thermal fuse (7) being arranged to perform the function of activating a disconnect and / or extinguishing function, and / or further comprising at least one network module for monitoring the protective device, and / or at least one mounting block for a fire extinguishing agent tank, the fire extinguishing agent tank being removably connected to the support (10).Figure to be published with the abbreviation: Figure 1a.