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.