These products have an IP67 sealing class. That means a completely closed housing and completely protected against dust. The products are suitable for wet environments. Water cannot penetrate when the product is immersed for a duration of up to 30 minutes at 1 meter depth.
CQ55/BP-3E is a capacitive proximity switch in rectangular polyester housing with 4 pin M12 connector, The sensor is flush mountable with a range of 25 mm.
CQ55/BN-3E is a capacitive proximity switch in polyester rectangular housing with 4-pin M12 connector and has a IP67 protection degree. The sensor is non-flush mountable with a range of 25 mm and has a NPN (NO+NC) switching output.