Schneider Electric XB5AC21 Push-button Switch 22mm Momentary

Product Description

The SCHNEIDER ELECTRIC XB5AC21 is a momentary push-button switch designed for industrial control panel applications. It features a 22 mm mounting hole diameter and a normally open (NO) contact configuration, making it a direct-fit option for standard 22 mm cutout enclosures. The extended mushroom head is black, round, and constructed from plastic. Quick-connect and screw terminal options provide installation flexibility. This switch meets a wide range of international safety and performance standards, including UL 508 and EN/IEC 60947-5-1, making it suitable for demanding industrial environments. Licensed electricians and control panel integrators are the primary installers.

The XB5AC21 is suited for use in industrial control panels, machinery, and automation systems where a momentary NO push-button input is required. Its NEMA 4X and NEMA 13 ratings qualify it for use in wet, dusty, and corrosive environments, including washdown areas and outdoor enclosures. The 22 mm mounting hole size is a widely adopted standard in industrial controls, making this switch compatible with a broad range of panel designs across light manufacturing, process control, and heavy industrial installations.

Key Features

• 22 mm mounting hole diameter fits standard industrial panel cutouts
• Momentary (MO) operation with normally open (NO) contact configuration
• Extended mushroom head profile in black round plastic construction
• Quick-connect and screw terminal types for wiring flexibility
• NEMA 4X and NEMA 13 rated for wet, dusty, and corrosive environments
• UL Listed and certified to EN/IEC 60947-5-1, CSA, DNV, GL, and additional international standards

Compatibility

Designed as an OEM-style replacement push-button switch for industrial control panels and machinery using standard 22 mm mounting hole cutouts.

Installation Notes

Installation should be performed by a licensed electrician in accordance with applicable NEC requirements and local codes. De-energize and lock out the control panel before removing the existing switch or making any wiring connections. Verify that the panel enclosure rating is compatible with the installation environment before mounting. Both quick-connect and screw terminal options are available on this switch — select the appropriate termination method for the existing panel wiring scheme.