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DescriptionThe SMC and SPC Series coded non-contact safety switches with universal 22 mm (0.87") fitting have been designed to enable the conformance to EN60947-5-3 and be used as directed by ISO12100, ISO14121 and EN60204-1. They have coded magnetic sensing which provides a wide sensing distance and provides a high tolerance to misalignment after sensing. They can be fitted behind stainless steel fittings and can operate from 4 directions even in extreme environments of temperature and moisture. When used in combination with most dual channel safety monitoring relays they can be used to provide up to PLe to ISO13849-1.