The ABB Mkey8Zrfqc Ss M12 Solenoid Safety Switch is designed with advanced RFID technology, achieving PL e or SIL 3 for optimal interlock functionality. Encased in a robust stainless steel housing with a stainless steel head, this switch ensures durability and reliability. It features an M12-Quick-Connector and operates on 24 V DC power for unlocking. The safe lock function also reaches PL e or SIL 3 when paired with a suitable accessory. Equipped with two safe OSSD inputs and two safe OSSD outputs, this switch is delivered without an RFID key. Ideal for monitoring doors and hatches, the MKey series offers a safe interlocking function. Depending on the locking signal, these switches can serve as either process locks or safety locks with a safe unlocking function. Available in various materials and sizes, MKey switches are versatile to meet diverse application requirements.