Thermal Switch Details TRIZ Cases

A transverse connector lets both terminals exit at the same height, simplifying sealing and reducing stress on the temperature-dependent switching element.

A captive bimetal and spring snap-disc assembly protects fragile parts in storage and enables simpler switch assembly with pre-installation testing.

An integrated bimetallic fuse and thermal disconnector lets an SPD carry surge currents yet open short circuits without large external fuses.

Segmented phase-change regions, insulated thermal pillars, and local heaters speed switching while reducing leakage currents and energy use.

Segmented phase-change regions, thermal pillars, and isolated heaters speed RF switching while reducing leakage and power use.

A shape-memory alloy lock keeps a thermal switch open after overheating, preventing shock- or temperature-driven reclosure after cooling.

A bypass heater reroutes current around the bimetal to cut excess heat, reduce shunt forces, and improve circuit breaker trip accuracy.

A sealing ring on the cover seals the switch housing before lead attachment, blocking solder and varnish ingress and simplifying production.

A shape-memory alloy closing lock keeps an overheated temperature switch open after trip, preventing vibration- or cooling-driven reclosure.

An acute-angle terminal and bimetal layout cuts two-step bending while improving abnormal heat detection and limiting normal heat exposure.

Parallel terminal connection lets an electric element span switch contacts while preserving insulation, interruption performance, and OFF-state monitoring.

A floating shaft, clip-on cam, and spring double push travel to 2 mm, meet 4 Nm torque, and prevent cam cracking and terminal yield.

A snap-fit holder replaces glue or tape for mounting a thermal fuse, simplifying assembly while isolating bent leads to prevent false triggering.

A shape-memory alloy lock keeps an overheated switch open after cooling, preventing vibration-driven reclosure and improving circuit safety.

A temperature-dependent switch uses a plunger to transmit compressive and tensile forces between the bimetallic part and spring.

Dynamic terminal members prevent hot spots from restricted volume expansion, ensuring reliable current disruption and self-holding functionality.

A bimetal controller uses segmented elements with opposing thermal expansion coefficients to generate precise switching movements.

Segmented steel and copper layers in a circuit breaker overload release minimize expensive material usage while maintaining rigidity.

Adjustable thermal trip mechanism uses segmented power receiving portions to minimize assembly errors in circuit breakers.

A bimetal snap-action disc and spring disc captively held in an annular frame simplify assembly.

A thermal protector merges the resistor function into a movable plate's narrow-width part to eliminate separate components.

Segmenting a bimetal plate into narrow and wide sections allows one component to provide dual current ratings, reducing inventory complexity.

An additional sheathing bonds to the plastic cable sheath and bushing, creating a hermetic seal that prevents aggressive media ingress into the switch.

Cam lever rotates plug and circuit bodies while elastic arm biases fuse against cover to prevent rattling under vibration.

A temperature-dependent switch uses a circumferential cutting burr on a sealing ring to penetrate the insulating foil.

Movable contact carrier shaft rotates directly to re-engage the bimetallic compensation strip without intermediate rods.

Tapered edge chamfer on plate-shaped carrier redirects laser beam for crack-free aluminum welds, eliminating air gaps and manual fastening.

An integrated temperature limiter merges the power-receiving terminal and bimetal sheet to prevent component displacement.

Replacing epoxy bonding, this mechanical clamp system minimizes heater element movement to prevent calibration drift caused by contamination.

An arc-shielding plate covers the spring part of a temperature-dependent switch to divert arcs, extending life from 2,500 to 6,000 cycles at high current.

A temperature-dependent switch uses a spring washer to mechanically lock the current transfer member.