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Circuit Breakers

Circuit Breakers

A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit. Its basic function is to detect a fault condition and interrupt current flow. Unlike afuse, which operates once and then must be replaced, a circuit breaker can be reset (either manually or automatically) to resume normal operation. Circuit breakers are made in varying sizes, from small devices that protect an individual household appliance up to large switchgear designed to protect high voltage circuits feeding an entire city.

ROCKWELL Molded Case Circuit Breaker 140U-D6D3-B60

ROCKWELL Molded Case Circuit Breaker 140U-D6D3-B60


DESCRIPTION:Current Limiting Circuit Breaker, D-Frame (up to 30A), 60...69 kA, T/M - Fixed Thermal / Fixed Magnetic, Rated Current 6A
ROCKWELL Molded Case Circuit Breaker 140U-D6D3-B50

ROCKWELL Molded Case Circuit Breaker 140U-D6D3-B50


DESCRIPTION:Current Limiting Circuit Breaker, D-Frame (up to 30A), 60...69 kA, T/M - Fixed Thermal / Fixed Magnetic, Rated Current 5A
ROCKWELL Molded Case Circuit Breaker 140U-D6D3-B40

ROCKWELL Molded Case Circuit Breaker 140U-D6D3-B40


DESCRIPTION:Current Limiting Circuit Breaker, D-Frame (up to 30A), 60...69 kA, T/M - Fixed Thermal / Fixed Magnetic, Rated Current 4A
ROCKWELL Molded Case Circuit Breaker 140U-D6D3-B30

ROCKWELL Molded Case Circuit Breaker 140U-D6D3-B30


DESCRIPTION:Current Limiting Circuit Breaker, D-Frame (up to 30A), 60...69 kA, T/M - Fixed Thermal / Fixed Magnetic, Rated Current 3A
ROCKWELL Molded Case Circuit Breaker 140U-D6D3-B20

ROCKWELL Molded Case Circuit Breaker 140U-D6D3-B20


DESCRIPTION:Current Limiting Circuit Breaker, D-Frame (up to 30A), 60...69 kA, T/M - Fixed Thermal / Fixed Magnetic, Rated Current 2A
ROCKWELL Molded Case Circuit Breaker 140U-D6D3-B10

ROCKWELL Molded Case Circuit Breaker 140U-D6D3-B10


DESCRIPTION:Current Limiting Circuit Breaker, D-Frame (up to 30A), 60...69 kA, T/M - Fixed Thermal / Fixed Magnetic, Rated Current 1A
ROCKWELL Molded Case Circuit Breaker 140U-D6D3-A50

ROCKWELL Molded Case Circuit Breaker 140U-D6D3-A50


DESCRIPTION:Current Limiting Circuit Breaker, D-Frame (up to 30A), 60...69 kA, T/M - Fixed Thermal / Fixed Magnetic, Rated Current .5A
ROCKWELL Molded Case Circuit Breaker 140U-D6D2-C30

ROCKWELL Molded Case Circuit Breaker 140U-D6D2-C30


DESCRIPTION:Current Limiting Circuit Breaker, D-Frame (up to 30A), 60...69 kA, T/M - Fixed Thermal / Fixed Magnetic, Rated Current 30A
ROCKWELL Molded Case Circuit Breaker 140U-D6D2-C25

ROCKWELL Molded Case Circuit Breaker 140U-D6D2-C25


DESCRIPTION:Current Limiting Circuit Breaker, D-Frame (up to 30A), 60...69 kA, T/M - Fixed Thermal / Fixed Magnetic, Rated Current 25A
ROCKWELL Molded Case Circuit Breaker 140U-D6D2-C20

ROCKWELL Molded Case Circuit Breaker 140U-D6D2-C20


DESCRIPTION:Current Limiting Circuit Breaker, D-Frame (up to 30A), 60...69 kA, T/M - Fixed Thermal / Fixed Magnetic, Rated Current 20A
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