Abb+ufes+manual May 2026

An expandable unit with internal light and current detection for small protection zones.

The electronic unit sends a trip signal to the PSE in less than 1 ms. abb+ufes+manual

The arc is extinguished in less than 4 ms total—20 times faster than standard protection. An expandable unit with internal light and current

Three units that create the metallic short-circuit in less than 1.5 ms. abb+ufes+manual

A micro-gas generator in the PSE creates a low-impedance path to ground, causing the arc voltage to break down.