Emergency Protective Devices TRIZ Cases

A wall-mounted switching wire distributor moves wiring access off the ceiling, reducing ladder work, easing reconfiguration, and cutting material waste.

A conductive enclosure replaces extra lead-throughs in a dielectric-filled subsea fuse, improving pressure compensation and reliability.

Crushed single-piece copper tabs cut fuse heating and let one automotive fuse support welding, screw fixing, or female contact insertion.

Local silicone arc-quenching material on weak spots and folds helps compact high-voltage DC fuses suppress arcs and avoid housing rupture.

A detachable guiding element and contact finger structure lets one fuse tube cabin fit different fuse sizes while simplifying replacement and maintenance.

Sequential bridge melting from the fuse center outward disperses copper into filler, raises open-state resistance, and limits leakage.

Encapsulated busbar and fuse sections keep the blown fuse in place while exposed connectors enable compact, low-cost fuse replacement.

Hooks, protrusions, and a flexible base clip secure fuse storage in fuse boxes while still allowing easy holder detachment.

Parallel springs and staggered holders keep dual-power transfer switch contact pressure stable while reducing installation space.

A compact ATS switches loads between redundant power sources while saving rack space and improving data center power uptime.

A single-piece conductor seals the housing and forms the melting section, avoiding end-cap connection failures in high-current fuses.

A deformable conductive barrier and elastic insulating layer help the fuse absorb pressure, widen the melt gap, and block external arc formation.

Mechanical projections and recesses replace thermal welding, simplifying fuse assembly while keeping lid retention and breaking performance.

Multiple heat-sealing grooves and guide ribs secure fuse rings against heat deformation, preventing separation and preserving fire extinguishing performance.

Geometric layers split the fuse chamber into sub-chambers to attenuate blast waves and block conductive debris after overcurrent rupture.

Thermal vents and a thicker fusible element improve fuse cooling, surge current handling, and breaking capacity under inductive and capacitive loads.

A parallel semiconductor switch and low-amperage fuse shunt current around the main protector to cut arc flash energy with faster interruption.

A wall-embedded measuring module lets a standard NH fuse detect current and report fuse status without extra installation space.

Special layers divide the fuse chamber into sub-chambers that guide debris, attenuate shock waves, and prevent terminal conductivity.

Direct battery mounting removes flexible leads and strain relief, shrinking the automotive pre-fuse box while preserving overcurrent protection.

A multilayer dual-element fuse array spreads Joule heat to the package sides, raising I²t and breaking capacity while limiting damage and re-arcing.

A bent flat-surface fuse layout separates fuse parts to limit thermal and electrical interference while improving rigidity and arc extinguishing.

Microcapsule-filled fire-extinguishing pads quench arcs inside a fuse, raising breaking capacity without increasing size or cost.

A fusible retention element releases an elastic connector during overheating, cutting continuity quickly with lower thermal inertia and heat loss.

A fuse structure uses inner and outer end caps, inserts, and arc-extinguishing fill to simplify assembly, cut cost, and prevent material spilling.

Spring electrodes shear and separate a bent fuse element during overcurrent interruption, preventing arc discharge without complex arc-extinguishing packing.

A seesaw switch device uses a frame-shaped preventer with side protective walls to block unintended finger contact.

Single-sided circuit board integrates fusible and trigger elements, reducing hand assembly complexity.

Common fastening members connect fuse terminals to bus bars, reducing component count and assembly complexity in electric junction boxes.

A fuse extends its fusible filament between nested caps to prevent electrical arcs after breaking.

Conductive strips expand to break fuse strips, enabling simultaneous blowing of multiple fuses and reducing process time compared to sequential methods.

Segmented semiconductor switches isolate subsea electrical faults automatically, reducing intervention costs and system downtime.

Segmented arc barriers in a wire fuse quench arcs, preventing damage during high-voltage overcurrent events.

An interlocking cover prevents dislodgement while a groove guides arc discharge, enabling higher current ratings without case damage.

Segmented nonconductive fuse supports enable compact switchgear designs by maintaining required clearance distances while preventing electrical discharge.

Counter-bores in fuse housing walls provide dedicated solder reservoirs for fusible element connections.