Solenoid safety switch with RFID technology reaching PL e or SIL 3 for the interlock function, rugged polyester housing and stainless steel head, 1xM20 Conduit entry, 24 V DC power to unlock. Safe lock function reaching PL e or SIL 3 in combination with a suitable accessory. Two safe OSSD inputs and two safe OSSD outputs. Delivered without RFID key. MKey are mechanical safety switches used for monitoring doors and hatches. The switch is mounted on the frame and the actuator key on the moving part of the guard. All MKey models have a safe interlocking function. Some MKey models can be locked and depending on the locking signal they can be used either as process locks or safety locks (with a safe unlocking function). MKey switches are available in different material and sizes in order to meet the requirements of different applications. View More