Schneider Electric XB7NS8442 Push-button Switch 22mm Nc

Product Description

The SCHNEIDER ELECTRIC XB7NS8442 is a momentary push-button switch designed for industrial control panel applications. It features a 22 mm mounting hole diameter, a red extended mushroom-head operator, and a normally closed (NC) contact configuration. The switch operates on a momentary (MO) basis, meaning it activates only while depressed and returns to its default NC state upon release. Rated at 1.5 amps, it connects via screw-clamp terminals for secure, tool-accessible wiring. It is non-illuminated and built to resist shock and vibration, making it appropriate for demanding industrial environments. Licensed electricians and control panel builders are the primary installers.

This switch is suited for use in industrial machinery, control panels, and automation equipment where a momentary NC operator is required. The red mushroom-head design is commonly applied to emergency-stop or safety-function circuits in manufacturing, process control, and machine-tool environments. NEMA 12 and NEMA 3 ratings allow installation in locations subject to dust, dripping non-corrosive fluids, and outdoor exposure without direct rainfall. Its compact 22 mm footprint fits standard industry-spec panel cutouts.

Key Features

• 22 mm mounting hole diameter fits standard industrial panel cutouts
• Normally closed (NC) contact configuration, momentary operation
• Red extended mushroom-head operator for high-visibility safety applications
• Screw-clamp terminals for secure, tool-accessible wire connections
• Shock-resistant and vibration-resistant construction
• NEMA 12 and NEMA 3 rated enclosure compatibility
• Certified to UL 508, CSA C22.2 No. 14, EN/IEC 60947-5-1, EN/ISO 13850, and additional listed standards

Compatibility

Designed as an OEM-style replacement or new-installation push-button switch for 22 mm industrial control panel cutouts meeting NEMA 12 and NEMA 3 requirements.

Installation Notes

Installation should be performed by a licensed electrician in accordance with NEC Article 430 and applicable local codes. De-energize and lock out the control panel before mounting or wiring this switch. Screw-clamp terminals require a flathead screwdriver for proper termination. Verify the NC contact logic is compatible with the control circuit before commissioning.