undervoltage release 110...127V= circuit breaker VL160L very assembly set of high breaking capacity auxiliary/alarm switches 2 Icu=100kA, 415V AC 3-pole, line HS (1NO+1NC) +1 AS (1NO) protection Trip Unit TM, LI In=160A, rated current IR=125...160A, overload protection, II=800...1600A, short-circuit protection with screw terminals