Expansion Module: failsafe, 8 digital inputs, 24VDC, 10…17, 8 mA Pilz PNOZ mi1p 773400 is a reliable and robust safety relay for industrial applications. This product from Pilz, a renowned brand in the automation industry, is designed to provide maximum safety for machines and personnel. It is suitable for a wide range of applications, such as emergency stop, door monitoring, speed monitoring, and light curtains. It can be easily integrated into any automation system and can be purchased at PLC2Day.