The M54124L is a semiconductor integrated circuit having amplifier functions for high-speed earth leakage breakers. This integrated circuit is used in the amplification unit of earth leakage breakers, ...

The ZGFI7101 is designed for use in earth leakage circuit interrupters for operation directly off the AC Line in breakers. It contains pre-regulator, main-regulator, after-regulator, differential ...

The EL731 AC-DC sensitive earth-leakage relay can detect ground currents down to 0 Hz, even in resistance-grounded electrical systems. Suitable for use with AC, mixed AC-DC, and DC systems, including ...

Littelfuse, Inc. announced its new EL731 AC/DC Sensitive Earth-Leakage Relay, which can detect ground currents, even in resistance-grounded electrical systems,all the way down to 0 Hz. Littelfuse, Inc ...

Leakage current is one of the most stringent, yet telling, parameters of possible danger to patients or caregivers. It does not take much electric current flowing through the human body to cause harm.

This month in EC&M's forum for your power quality questions, Mark McGranaghan, vice president of consulting services, teams up with several other experts from EPRI-PEAC to address the topics of ...

A core-balance protection device serves as an example of how these switches operate. Phase and neutral power conductors pass through a toroidal (differential) current transformer. Under normal ...