Schmersal ZQ 900-22

The Schmersal ZQ 900-22 Pull-Wire Emergency Stop Switch is designed for reliable safety in industrial environments. This switch features a robust metal enclosure with a painted zinc die-cast housing and a glass-fibre reinforced thermoplastic cover, ensuring durability and longevity. It supports a wire length of up to 75 meters, making it suitable for extensive applications.

Key features include a release push button and a position indicator for easy operation and monitoring. The switch is equipped with three cable entries (M20 x 1.5) and a large wiring compartment, facilitating straightforward installation and maintenance. The design prevents twisting of the towing eye, and it includes an external watertight collar for enhanced protection.

The ZQ 900-22 complies with EN ISO 13850, EN IEC 60947-5-1, and EN IEC 60947-5-5 standards, ensuring high safety and performance. It is rated for IP65 and IP67 protection, making it suitable for harsh environments. The switch operates effectively in temperatures ranging from -25°C to +70°C and supports relative humidity levels between 30% and 95%.

Applications include conveyor systems, machinery, and other industrial setups where emergency stop functionality is critical. The switch's mechanical lifetime is rated at a minimum of 1,000,000 operations, ensuring long-term reliability.