Busch-Jaeger 4TQA567828R0000 TELE U-48V AC 48V AC/DC 0-300ms undervoltage release

Undervoltage release from the AEG Line: The Tele U controls the triggering of the mounted protective device or modular switch when the voltage supply falls below half the nominal value. The time delay can be set to 300 ms. Features: One device series for all protective devices up to 63A. Can be mounted on both sides of LS and modular switches, and on the right side of residual current circuit breakers and FI/LS combinations. Busbar passage at the top or bottom. Auxiliary functions can be cascaded on the left and right.