Voltage monitoring relay according to EN 60255 for monitoring 3-phase AC networks for undervoltage. Built-in device with sturdy plastic housing for distribution installation to snap onto the top hat rail., Mains voltage 3AC 230/400V, 50/60Hz, Power consumption 8VA, Response value adjustable 0.55 - 1.05 UN, Hysteresis 4%, Response delay adjustable 0.5 - 20s, Output 2 changeover contacts, Switching capacity AC 15 3A/ 230VType: IL9171.12/030, Item no.: 0050170
