Schneider Electric Harmony XALK Series Twist Release Emergency Stop Push Button Surface Mount 40 mm Cutout 2 NC XALK178F

Schneider Electric XALK178F Harmony XALK Series Emergency Stop Push Button is engineered for rapid emergency shutdowns in industrial and commercial applications. Featuring a twist release actuation, this surface-mounted push button fits a 40 mm diameter cutout and offers robust safety with a 2 NC (Normally Closed) contact configuration.

Constructed with durable polycarbonate material, the emergency stop button is designed for demanding environments, delivering superior corrosion resistance and long mechanical life rated up to 300,000 cycles. The push button assembly measures 68 mm in width and length, with a depth of 91.5 mm, making it suitable for various control panel configurations.

Its bright yellow mushroom head ensures high visibility and quick access during emergency situations. The device complies with international safety and performance standards including EN60947-5-5, ISO13849-1, EN60947-5-1, and ISO13850, guaranteeing reliable operation under critical conditions. The IP66, IP67, IP69, and IP69K ratings protect against dust and high-pressure water jets, enabling outdoor and harsh environment usage.

Rated for use up to 600V AC, the XALK178F is compatible with a wide range of industrial control and signaling systems. Its IECEx hazardous area certification further extends its application to explosive atmospheres, enhancing safety in such zones.

Applications include emergency shutdowns in manufacturing, automotive control stations, automated processes, and other scenarios where immediate machine stoppage is critical for operator safety. The twist release mechanism prevents accidental actuation, thus reducing unintended downtime and improving workplace safety.

Designed for fast emergency shutdown with a twist release action to prevent accidental activation. Durable polycarbonate housing offers excellent resistance to corrosion and mechanical wear. Suitable for harsh environments with IP66, IP67, IP69, and IP69K protection ratings against water and dust ingress.

Compact dimensions of 68mm width and length with 91.5mm depth enable versatile surface mount installations. Complies with EN60947-5-5, ISO13849-1, EN60947-5-1, and ISO13850 safety standards for high reliability. Supports electrical ratings up to 600V AC ensuring compatibility with industrial control systems.

Yellow mushroom push button improves visibility for quick emergency access. Mechanical durability rated for up to 300,000 operational cycles providing long service life. IECEx hazardous area certification ensures safe usage in explosive environments.

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