Schneider Electric XA2AC42 Harmony XA2 Plastic Mushroom Red 40 mm 22 mm Spring Return 1 NC Push Button

The Schneider Electric XA2AC42 is a red mushroom-head push button from the Harmony XA2 range, with a 40 mm diameter plastic head switching 1 NC on a spring-return mechanism. It mounts in a 22 mm panel cut-out, is unmarked, and carries an IP65 rating for a 3 A AC-15, 240 V control-circuit duty.

Technical Specifications

Certifications & Standards

• CCC
• CE
• UKCA
• GB 14048.1
• IEC 60947-1
• GB 14048.5
• IEC 60947-5-1

Selection Notes

The 40 mm mushroom head gives a larger actuation target and palm-strike operability than the 22 mm flush XA2AA push buttons, suiting it to stop or alarm functions that need to be hit quickly without precise aim. The 1 NC contact opens a circuit on press, suiting an emergency-style stop command where the spring-return head is not latching. For a dedicated emergency-stop function with a latching, twist-to-release mechanism, a Harmony emergency-stop head rather than this spring-return mushroom button is the correct part.