The Schmersal AZ17 safety switch is a robust machine safety solution featuring a thermoplastic enclosure designed for durability. This switch includes both an auxiliary contact and a safety contact, ensuring reliable performance in critical applications. It comes equipped with an M12 4-pole connector plug with A-coding for straightforward connectivity. The switching element comprises a normally open (NO) and normally closed (NC) contact, allowing for versatile integration into various control systems. With a thermal test current of 10 Amp, the AZ17 can handle significant electrical loads. It operates efficiently within utilisation categories AC-15 at 230 Volt AC up to 4 Amp and DC-13 at 24 VDC up to 4 Amp, making it suitable for a wide range of operating voltages in both alternating and direct current circuits. Engineered for machine safety applications, this Schmersal switch is an essential component for engineers looking to maintain high standards of safety and functionality in their machinery setups.