Telemecanique XALK174 Emergency Stop Push Button Switch

The Telemecanique XALK174 Emergency Stop Push Button Switch is a surface-mounted control station built around a 40 mm red mushroom-head emergency stop button with turn-to-release operation for rapid, verifiable machine shutdown. It provides 1 normally closed (NC) contact with slow-break operation and uses screw clamp terminals for secure wiring, housed in a polycarbonate enclosure with IP66 rating. The enclosure color is light grey base (RAL 7035) with a yellow cover (RAL 1021), and it supports 1 × 14 mm knockout and 2 × Pg13/M20 knockouts (12 mm max.) for cable entry, with a rated insulation voltage of 600 V and a rated impulse withstand of 6 kV; it is designed for -25 °C to +70 °C and offers 300,000 mechanical cycles. Part of the Harmony XALK family and compatible with Harmony XB5 Ø22 mm control and signaling units, it is commonly used on conveyors, packaging lines, machine tools, production equipment, and other industrial automation setups requiring a readily accessible emergency stop function.