203840 ⎘
Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass Multi-purpose combinations, e.g. LS/DI, LS/FI, of normal protective circuit breakers with known other forms of protection, e.g. earthfaults, differential, unbalance
SELF-TEST MECHANISMS FOR END-OF-LIFE DETECTION AND RESPONSE FOR CIRCUIT INTERRUPTER DEVICES
#2SELF-TEST MECHANISMS FOR END-OF-LIFE DETECTION AND RESPONSE FOR CIRCUIT INTERRUPTER DEVICES
#3Self-test mechanisms for end-of-life detection and response for circuit interrupter devices
#4Hybrid arc/ground fault circuit interrupter and methods of operation thereof
#5Bus mounted surge protection devices
#6Hybrid arc and ground fault circuit interrupter
#7Spherical bearing device and switch
#8Arcless fusible switch disconnect device for DC circuits
#9Circuit breakers with ground fault and overcurrent trip
#10Overvoltage protection device comprising a disconnection accessory
#11Circuit breakers with ground fault and overcurrent trip