SK9171 Overview
depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880 S-model: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct Monitoring of undervoltage in 3-phase system Also for single phase Without auxiliary supply Optionally for 3p3w systems LED indicator for state of output relay Independent of phase sequence 1 or 2...