AUTOMATIC DROP-OUT AND RESET OF A VACUUM INTERRUPTER DEVICE IN A CUTOUT MOUNTING

Balance spring assembly for disconnector

Operating mechanism

Operating mechanism for operating at least one contact

Electrical current switching unit

Fast earthing switch device for HV applications

Mounting structure for energy storage assembly of circuit breaker

Circuit breaker energy storage operating mechanism

Charging ram assembly, and pin assembly and securing method therefor

Tap changer, force-storage unit, and controlled-backlash coupling therebetween

Spring operation device of circuit breaker

Electrical switching apparatus and stored energy assembly therefor

Motor cam operating mechanism and transmission mechanism thereof

Shaft assemblies suitable for circuit breakers and related circuit breakers

Spring control device for a circuit breaker

Control device of the spring type particularly for a high-voltage or medium-voltage circuit breaker or switch

Trip latch assemblies for circuit breakers and related circuit breakers

Circuit breakers with clock spring drives and/or multi-lobe drive cams and related actuators and methods

Limit switch

Tap changer having an improved vacuum interrupter actuating assembly

Tap changer

Shaft assemblies suitable for circuit breakers and related circuit breakers

Circuit breaker indicating cam having a profile which reduces transmission of mechanical shocks to the auxiliary release

Electrical operator for circuit breaker and method thereof

Energy-storing unit with forcing mechanism, and on-load tap changing device

Tap changer having a vacuum interrupter assembly with an improved damper

Switchgear and switchgear operating mechanism

Pole operating device in a medium-voltage electric control apparatus

Circuit breaker provided with mechanical trip mechanism

Charging assembly with over rotation control and electrical switching apparatus employing same

Electrical switching apparatus and secondary trip mechanism therefor

Spring operated switch actuator with damper for an electrical switching apparatus

SPRING ACTUATOR FOR CIRCUIT BREAKER

Spring-operated mechanism having delay circuit

Interlock apparatus for solid insulated switchgear

Electrical switching apparatus and linking assembly therefor

Electrical switching apparatus and charging assembly therefor

Circuit Breaker

Over running clutch for a direct drive motor operator

Positive resetting close latch for closing electrical switching apparatus

Spring driven ram for closing a electrical switching apparatus

Automatic discharging apparatus for closing spring in air circuit breaker and air circuit breaker having the same

Inertial solenoid delay for the opening of medium voltage circuit breakers

Capacitor switch including a bi-directional toggle mechanism and linearly opposing opening and closing spring latches

Switching mechanism for air circuit breaker

Control device for controlling electrical switchgear