Protective Switch Terminals/Connections TRIZ Cases

Floating PCB mounting and a centered plug connection ease assembly in modular DIN rail units while preventing board stress and over-constraint.

A catch lever and slider create snap-action contact closure in a motorized circuit breaker, cutting arcing time and contact wear.

A balanced rotary latch uses electromagnetic actuation to interrupt overcurrent quickly without thermal fatigue or higher trigger current.

An elastic terminal with insertion and buffer spaces secures a movable cable while limiting terminal deformation in breakers.

Sequential contact separation with a series current limiter quenches arcs during opening and helps protect low-voltage switch components.

One mounting frame fits two breaker mounting types, cutting load center variants, manufacturing cost, and space use.

A catch lever and kicker lever create snap-action contact closure in a motorized circuit breaker, reducing arcing and contact degradation.

Bridging slots isolate jumpers until the breaker is plugged in, enabling safe protected-potential distribution with standard series-mounted components.

Solid state arc-free switching and thermal monitoring prevent ignition in hazardous locations without explosion-proof enclosures.

Front-side terminal access via inclined apertures resolves spatial constraints in compact fixed-type circuit breaker installations.

A semi-rigid flattened copper conductor links a bimetallic strip foot to a terminal pad in an electric tripping device.

A self-contained switching assembly uses plug-on connectors to simplify electrical system installation.

A modular electrical device integrates an annular transformer magnetic circuit into its connection parts to enable compact multi-function designs.

Variable mounting adjusts the useful surface length to maintain constant thermal stroke across device calibers.

Integrated busbar merges electrical connection and mechanical support functions to resolve the trade-off between assembly volume and device reliability.

Segmented casing and integral C-shaped electrodes ensure complete fuse element breakage, preventing electrical arcs caused by incomplete filament separation.

A plate carrier links contactors to circuit breakers using perpendicular screw pins and parallel spring-loaded pins.

A 3 phase RCBO achieves compact volume by routing neutral conductors through a shared toroidal core within the circuit breaker structure.

A modular electrical device uses contact pads to join separate modules, simplifying assembly.

A connector device enables vertical stacking of electrical devices on a mounting rail to reduce installation width.

An electronic overload relay uses a shunt integrated bus bar to detect AC and DC currents, reducing device size compared to bulky current transformers.

Auxiliary barrier connector integrates female receptacles with flexible circuits to adapt male connectors.

Counterweights stabilize the trigger bar against vibrations while ball joints compensate for misalignments during assembly.

Segmented base compartments guide flexible wire routing to reduce residual overvoltages and simplify circuit breaker assembly.

Linking element redirects current to heat bimetal element, generating sufficient deflection force at lower thermal adjustments.

A contact arm assembly integrates side plates and spring support pins to enable single break breaker configurations.

An arc-resistive member between bimetal and terminals prevents thermal bonding and resistance changes caused by arc generation during fault currents.

A central duct routes additional lines through a contactor housing to streamline terminal access.

A segmented circuit breaker switches between two power sources using a mechanical lever to actuate independent switches for safe load management.

A gassing insulator assembly directs electrical arcs toward the arc chute using magnetic field attraction and gas release mechanisms.

Flat surfaces align in a common plane to reduce positional inaccuracies and allow flexible copper thickness adaptation.