Abb+ufes+manual

Optical sensors (for light) and current transformers (for overcurrent) identify the arc fault.

An expandable unit with internal light and current detection for small protection zones. abb+ufes+manual

The arc is extinguished in less than 4 ms total—20 times faster than standard protection. Optical sensors (for light) and current transformers (for

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