Protective Switch Details TRIZ Cases
- Modular Transfer Device for Automatic Switches
Adjustable transmission rods with buffers minimize mis-operation risks and impact noise in automatic transfer switch assemblies.
- Extended Drive Plate Rotary Handle for Circuit Breaker Safety
An extended drive plate mechanism requires deliberate manual force to engage a circuit breaker, preventing accidental activation from wear or misalignment.
- Hybrid Electromagnetic Relay With Piezo Actuator
A hybrid electromagnetic relay uses a piezo actuator to maintain contact closure when the coil is de-energized.
- External Filtering Device for Electric Switching Units
Extracting the filter outside the casing balances pressure and extends the gas path, preventing uncontrolled discharge to neighboring units.
- Circuit Breaker Mounting Bracket with Rear Hook Support
Bracketry hooks engage mounting rails to support circuit breaker weight, eliminating manual labor during installation.
- Modular Arc Quenching Device with Segmented Splitter Stacks
Segmented splitter stacks divide arcs into partial discharges for reliable extinguishing in protective switching devices.
- Auxiliary Trip Device Torsion Spring Torque Amplification
Torsion spring amplifies torque on the plate arm to drive the circuit breaker mechanism efficiently.
- Hybrid Voltage Clamping Circuit for Power Semiconductor Switches
Segmenting protection between a varistor and thyristor reduces semiconductor device ratings by 40% while cutting leakage current significantly.
- Portable Racking Device for Draw-Out Circuit Breakers
A portable racking device uses a gearmotor and drive socket to rotate circuit breaker screws.
- Molded Case Circuit Breaker Vertical Integration Sealing
A molded case circuit breaker integrates fixable and movable bars with arc chambers inside a vertically coupled resin housing.
- Curved Connector Finger Module Air Circuit Breaker
Curved connectors and elastic plate springs expand contact area to reduce electric resistance and mechanical impact damage in air circuit breakers.
- Wireless Motor Protection Relay Configuration
Motor protection relay replaces physical interface with wireless signals to eliminate hazardous manual access and environmental ingress.
- Arc Shield Circuit Breaker Venting and Debris Protection
An arc shield directs gases and debris away from internal mechanisms using a dedicated outlet structure.
- I-Shaped Lamination Stack for Current Transformer Magnetic Coupling
An I-shaped lamination stack increases overlap between core plates to reduce magnetic flux shunting and lower reluctance in dual-coil circuit breakers.
- Cradle Stop Assembly Planar Plate Circuit Breaker
Segmented planar stop plate absorbs impact energy to prevent movable contact arm interference and electrical arcing in circuit breakers.
- Ground Fault Circuit Interrupter Reset Mechanism
Replacing the leaf switch with a reset slider contact conductive part reduces structural complexity and manufacturing costs.
- Carrier Link Insulator for Circuit Breaker Arcing
A carrier link insulator electrically isolates the drive linkage from the arc chamber in air circuit breakers.