The ETU300 is a new, powerful, and versatile electronic trip unit that offers protection for low voltage circuit breakers. It offers LSIG protection, with advanced microprocessor technology at an …

An electronic trip unit (ETU) is a programmable device that measures and times current flowing through the circuit breaker and initiates a trip signal when appropriate.

The WL circuit breaker offers a practical means of setting power system protection through vast selectivity available in its Electronic Trip Unit (ETU). WL ETUs have a wide range of protective …

The ETU600 features advanced microprocessor technology and a range of enhanced protective functions that help ensure safety and reliability of low-voltage power distribution systems. It boasts …

This design features a signal processing front-end subsystem for electronic trip units (ETU) used in molded case circuit breakers (MCCBs) and air circuit breakers (ACBs).

In addition to excellent protection capabilities, the WL ETU has unparalleled power metering functionality. True RMS current sensing for metering is obtained from the same current sensors used …

Installation must be in accordance with the following steps and stated specifications and implemented by suitably competent personnel. This device is intended to be part of the safety-related control system.