Genuine Schmersal 2818722 auxiliary contact block, designed for reliable operation in safety-related applications within industrial machinery. This high-quality component features a 1 Normally Open (NO) and 1 Normally Closed (NC) contact configuration with snap action switching, ensuring precise monitoring and control in safety circuits. It is built with a thermoplastic housing, screw connection terminals, and offers an IP20 protection class, suitable for various industrial environments. With a rated insulation voltage of 500 V and a rated impulse withstand voltage of 4 kV, this contact block provides robust performance for critical safety functions.