New Electronics

Infineon’s XENSIV family offers accurate current measurement

Infineon Technologies is expanding its XENSIV magnetic current sensor family with the new TLE4971/TLI4971 sensors, housed in ...
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 ...
EDN

Modular picoammeter brings measurement of small currents into the 21st century

Able to measures dc current from 20 pA to 2 mA, The PocketPico SafeRanging picoammeter is said to be the first major innovation in this type of instrumentation since 2001, when a well-known ...
T&D

NEMA Publishes AC High-Voltage Circuit Breakers Standard

The National Electrical Manufacturers Association (NEMA) has published SG 4-2009 Alternating Current High-Voltage Circuit Breakers. The standard, which NEMA published under license from IEEE, was ...
Electrical Construction & Maintenance

Safe Operation of Low-Voltage Air Circuit Breakers

Low-voltage circuit breakers are predominant in virtually every electrical power system. Several years ago, Shermco Industries surveyed NETA-accredited companies for the IEEE Electrical Safety ...