Schneider Electric Harmony Series Twist Release Emergency Stop Push Button Surface Mount 40mm Cutout 1 NC Contact XALK178

Schneider Electric XALK178 Harmony Series Twist Release Emergency Stop Push Button is a robust safety device designed for immediate shutdown in critical situations. With a surface mount installation and a 40 mm cutout, this push button is suited for industrial automation, machinery control, and electrical control panel applications requiring high reliability and safety compliance.

Manufactured with a polycarbonate housing and plastic push button material, the device features a round head style and yellow coloration for clear visibility. The twist release mechanism ensures that the emergency stop function remains engaged until deliberately reset, reducing risk of accidental restart.

Rated for 600V AC contact voltage and compliant with IECEx hazardous area standards, this emergency stop push button offers IP69K, IP69, IP66, and IP67 ingress protection. It withstands dust, moisture, and high-pressure washer cleaning at pressures up to 7,000,000 Pa, ideal for harsh industrial environments.

With a mechanical durability of 300,000 cycles and three auxiliary contacts, the device guarantees long-term performance and reliable operation under mechanical stress. It is compatible with various signaling and control units, making it versatile for different industrial safety systems.

Constructed with durable polycarbonate housing for robust protection. Features a 40 mm cutout diameter with a round push button head. Equipped with a single normally closed (1 NC) contact configuration. Rated for 600V AC contact voltage and IECEx hazardous area certification.

IP69K, IP69, IP66, and IP67 ratings ensure resistance to dust and high-pressure washing. Designed for surface mounting in industrial control stations and electrical panels. Twist release action enhances safety by preventing accidental disengagement.

Mechanical endurance up to 300,000 cycles ensures long service life. Yellow color for high visibility and quick identification in emergencies. Dimensions include 68 mm width and length, 91.5 mm depth, and 62 mm head diameter.

This Emergency Stop Push Button is essential for industrial automation, manufacturing facilities, and electrical safety systems requiring prompt and reliable emergency shutdown capabilities. Its design and certifications align with ISO 13849-1, ISO 13850, EN 60947-5-1, and EN 60947-5-5 standards, ensuring compatibility with rigorous safety requirements.

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