Circuit breakers are manual switches that open under overload conditions. Circuit breakers discussed here are general-purpose types that meet the minimum Underwriters' Laboratories Inc. (UL) standards ...

PEACHTREE CORNERS, Ga.--(BUSINESS WIRE)--Siemens is the first company to successfully receive UL listing for a 120-volt, single pole solid-state circuit breaker. The solid-state breaker concept ...

Phoenix Contact introduces a new range of circuit breakers that combines the advantages of fuse terminal blocks with the benefits of thermal-magnetic circuit breakers. The UT 6-TMC M series is a ...

Confusion abounds over the use of tandem circuit breakers in panelboards, even among electricians and electrical inspectors. Today I'll set the record straight as to when tandem circuit breakers can ...

The UT 6-TMC M range of resettable, single-pole circuit breakers with screw connection combines the advantages of fuse terminal blocks with the benefits of thermal-magnetic circuit breakers. Tripped ...

E-T-A Circuit Breakers has introduced the E-T-A 4930, a new remotely controlled, single pole circuit breaker (RCCB) approved to MIL-PRF-83383 for the protection of aircraft electrical systems and ...

Combination of single pole circuit breaker and ON/OFF switch with soft-touch rocker actuation. Contoured rockers are available with a choice of colors and legends, with optional illumination. The 3131 ...

My introduction to circuit protection came at the tender age of eight. Being a curious lad with an inventive – and apparently self-destructive – bent, I decided to make my mother a lamp. I put a hose ...

Q. On a 3-phase, 4-wire, 277V multi-wire lighting circuit, which is protected at 20A, there is debate as to the proper application of 210.4(B) and 240.15(B). The question is whether or not three ...

Siemens is the first company to successfully receive UL listing for a 120-volt, single pole solid-state circuit breaker. This press release features multimedia. View ...