T&D

Circuit Breaker Handles Operating Currents up to 6300 A

Siemens Power Transmission and Distribution has expanded its range of products with the new high-current and generator circuit breaker 3AH37 Siemens Power Transmission and Distribution has introduced ...
Electrical Construction & Maintenance

Low-Voltage Circuit Breaker Requirements

As noted in NFPA 70B, insulated-case and molded-case circuit breakers should be kept clean of external contamination (Comstock/Stockbyte/Thinkstock). Low-voltage ...
Electronic Design

Mini Circuit Breakers Handle From 0.5 To 25 Amps

A new DIN rail mount miniature circuit breaker has been designed with current ratings from 0.5A to 25A in 0.5A increments. The device, called the Model QL, is a hydraulic magnetic circuit breaker and ...
Electronic Design

MS 3320 Circuit Breaker Can Handle Up To 35A

Said to be the first MS 3320 circuit breaker rated to 35A, the 483 Series numbers among its many features an advanced dual chamber construction, allowing the breakers to handle large DC currents. The ...
EDN

Series of circuit breakers handles apps of 5 to 40 A

Harrisburg, Pa. – A series of low-cost circuit breakers for 5- to 40-amp applications is now available from Tyco Electronics. The P&B W54 thermal circuit breakers can be used in a variety of ...