Undervoltage relay for detecting short interruptions, IL9079 The IL9079 is an undervoltage relay for detecting short interruptions. Enclosure version for the IL 9079 has a depth of 59mm. Terminals are at the bottom for installation systems and industrial distribution systems according to DIN 43 880. Features & Benefits Detecting undervoltage, short interruptions or phase loss in 3 phase systems Prevents undefined states in the event of voltage errors Detects short interruptions of 20 ms Adjustable fallback value of 0.55 → 1.05 UN Adjustable reactivation delay Configurable reactivation Block Also for single phase connections Relay output, 2 changeovers 35mm overall width In accordance with IEC 255, VDE 0435 Section 303 Green LED indicates for closed contact Optionally for 3p3w systems Manual reset is possible with external circuit