Signaling contacts SK1 with screw terminals signal the tripping of the manual motor starter. For SK1 the indication on the device itself is done with a protruding orange button. The contact positions of SK1 need to be manually reset after a tripping event by pushing the orange button. SK1 signaling
The MRP31.0 device allows the connection of the Universal Motor Controller UMC100.3 to a Modbus RTU network. It can be mounted directly onto the UMC100.3 or on the SMK3.0 mounting kit.
This SMK3.0 mounting kits allow to mount EIU32.0, PNU32.0, DNP31.0, MRP31.0, PDR31.0 and PDP32.0. The SMK3.0 mounting kit itself can be placed outside of the drawers, for example in the cable compartment.