The ASR-M04DA-1 is a four-pole, three-phase AC contactor from the Anly brand. This contactor is rated for 220/380-Vac, 28VDC and 30A operation, and has two normally open and two normally closed N.O./N.C. contact sets. In addition, it is designed with a compact size and is UL, TUV and CE approved. The contactor is typically used in start-stop circuits, motor circuit control, and heaters/ air conditioners.