The MPS45WGW is 3W magnetic proximity sensor with current rating of 1A and 30VDC.The MPS series from C&K are magnetic proximity sensors, perfect for automotive sensors and indicators, industrial sensors and factory automation equipment. The MPS series are sealed, protecting them from the harsh environments they’re commonly used in. Manufactured for a quick and easy installation, the MPS series also have a long lifecycle – lasting for more than 4 million actions.