Switch Operated By Excess Voltage TRIZ Cases

Standardized box core modules let one SPD plug assembly switch between series and parallel varistor layouts for wider voltage and surge-current coverage.

Event-triggered isolator switches split series-connected storage cells into safer voltage sections to prevent arcs, injury, and fire.

Secondary capacitors and decoupling resistors rapidly discharge clamping capacitors, limiting overvoltage peaks in aircraft DC breakers.

A rotatable linkage swing rod lets one microswitch signal failure across multiple surge protection modules, cutting structure, size, and cost.

A hollow meltable member exposes a low-melting bottom layer to speed over-voltage blowing while limiting molten metal and reconnection risk.

Semiconductor switching with per-line current sensing enables rapid fault cut-off, differential detection, and low-cost protection of unaffected circuits.

A pyrotechnic contactor grounds the cut-off zone as the line is severed, isolating aircraft faults without damaging overvoltage.

A pyrotechnic breaker grounds the downstream line as it opens, rapidly isolating aircraft faults while limiting inductive overvoltage.

Arc chute compartments and bias elements let a modular fusible disconnect switch open circuits safely without load-removal arcing or partial opening.

A spring-driven rotating plate blocks the weld point after solder melts, preventing arc adhesion and ensuring complete surge protector tripping.

A common voltage sensing conductor across all phases simplifies molded case trip unit assembly, cuts parts, and saves space.

A single housing combines voltage and current sensing for switchgear, cutting installation space and complexity while measuring both terminals.

A resistive path to the neutral line drains electrostatic charge from non-earthed luminaires, protecting LEDs without extra earth wiring.

An integrated wiring support merges supply and signal buses into one unit, reducing wiring complexity and error risks in low-voltage switch systems.

A switchgear unit uses a thermal fuse to automatically interrupt high DC voltage circuits.

A toroidal coil detects medium-amplitude fault currents to safely disconnect overvoltage protection devices from the mains during critical states.

A transition assembly interconnects hybrid trunk cables to electronic equipment using integrated overvoltage protection.

A Y-shaped surge protection device uses an elastic mechanism to drive a sliding element that disconnects the conductive path upon thermal activation.

A selective protection circuit uses a switch unit and control module to manage current flow in high voltage direct current power systems.

A fusible switching disconnect module integrates an arc chute compartment and bias elements to ensure secure contact disconnection.

An integrated component merges a varistor, spark gap, and thermal disconnector into a single unit for compact transient overvoltage protection.

A fusible switching disconnect device uses a multi-functional trip mechanism to actuate contacts and secure fuses within an insulative housing.

A transient surge protection device uses a hot-melt element to trigger simultaneous branch disconnection.

A thermal cut-out mechanism disconnects direct-current circuits using a soldered joint and spring-loaded member to create an air gap.

Plug-in surge protection modules connect to switch bases for hot-swapping maintenance without panel de-energization.

Integrated bushing-mounted surge arresters clamp fast-rising overvoltages during reactor de-energizing, preventing dielectric stress and re-ignition.

A coil actuator power unit delivers timed drive current pulses to the electromagnet for reliable plunger movement.

A thermo-sensitive disconnection element rotates to open the circuit while driving a distinct mobile signaling element.

Merges fuse and SPD housings to eliminate external wiring, reducing installation space requirements.

Mechanical control link trips switchgear when varistor heating melts a thermal pin, preventing automatic reset of faulty surge protection elements.

Series voltage-limiting element, capacitor, and resistor protect metal housing luminaire electronics from high-impedance lightning pulses.

Mismatched metal oxide varistors dissipate surge energy through parallel connections, resolving cumulative rating shortfalls.

A fusible switching disconnect device integrates a tripping coil and control circuitry to move switchable contacts for safe circuit isolation.

A semiconductor circuit breaker uses a Hall effect sensor to detect short-circuit currents and automatically disconnects the load from the mains supply.

A fusible switching disconnect device integrates a current detecting element and control circuitry to move switchable contacts.

Post insulator mounts surge arresters to prevent disconnection during seismic activity and strong winds.

Applying a Teflon sliding layer to bracing sleeves prevents sticking during assembly, reducing rework costs while maintaining fixation reliability.

Inline dual coil circuit breaker replaces heat-generating bimetal strips with electronic sensing to reduce power loss while maintaining protection reliability.

A tripping interface mechanically couples overvoltage and cut-off modules to enable self-powered actuation.

Merged movable contacts extinguish arcs in high-voltage relays, reducing volume and cost while preventing damage.

A heat-sensitive member deforms to trigger a mechanical switch for overvoltage protection.

Thermal disconnector protects against low-energy short-circuit damage by opening contacts below tripping threshold.