The 171DIP-187 is an electronic module part produced by Schneider Electric. It is a DIN Rail Contactor with 2 NO contacts, 2 NO+ NC contacts and 1 Auxiliary contact block. The device has a screw or spring clamp terminal type and acts as a control switch for powering electrical loads from AC and DC power supplies. It is designed for use in industrial applications, featuring coil voltage ranges from 24 VAC/VDC to 440 VAC/VDC, allowing for direct connection of the load with minimal wiring and maximum safety. The contacts on the device are made from high quality materials, ensuring longer lifetime and durability. This device is said to be UL, CSA, and CE Certified.