Accessories circuit-breaker 3WL Electronic trip unit ETU45B, ETU release 2, LSIN protection adjustable, without rating plug, with metering function...

Accessories circuit-breaker 3WL Electronic trip unit ETU45B, ETU release 2, LSIN protection adjustable, without rating plug, with metering function Plus, I, U, P,W, Q, f, cos phi, harmonics and harm. distortion factor, without display, without ground fault module, with cubicle bus connection; not for 3WL1 Upgrade in contacts by customer himself.