Schneider Electric Harmony XA2 Push Buttons, Selector Switches &

Schneider Electric Harmony XA2 Push Buttons, Selector Switches & Pilot Lights

Build a clear machine-control interface with the specified operator or indication device. Match mounting diameter, return action, contact configuration and lamp voltage. A head, contact block and complete assembly are different supply formats.

Each model below has its own part number and electrical specification. Select the reference that matches the equipment schedule; the selected variant determines the price and availability.

Models and technical specifications

Part number	Designation	Electrical ratings
XA2AH031	Complete push button, Easy Harmony XA2, plastic head, 22mm, green, 1NO, self-lock, unmarked	Contacts: 1NO
XA2AS542	Complete emergency switching off push button, Easy Harmony XA2, plastic head, 22mm, turn to release, 40mm, 1NC, red	Contacts: 1NC
XA2AW33B1	Complete illuminated push button, Easy Harmony XA2, plastic head, 22mm, green, 1NO, AC/DC 24V, spring return	Voltage: 24V; Contacts: 1NO
XA2AW34B2	Complete illuminated push button, Easy Harmony XA2, plastic head, 22mm, red, 1NC, AC/DC 24V, spring return	Voltage: 24V; Contacts: 1NC
XA2AA51	Complete push button, Easy Harmony XA2, plastic head, 22mm, yellow, 1NO, spring return, unmarked	Contacts: 1NO
XA2AG21	Complete key switch, Easy Harmony XA2, plastic head, 22mm, 2 positions, left pull-out, 1NO, stay put	Contacts: 1NO
XA2AG33	Complete key switch, Easy Harmony XA2, plastic head, 22mm, 3 positions, middle pull-out, 2NO, stay put	Contacts: 2NO
XA2AH021	Complete push button, Easy Harmony XA2, plastic head, 22mm, black, 1NO, self-lock, unmarked	Contacts: 1NO
XA2AW31M1	Complete illuminated push button, Easy Harmony XA2, plastic head, 22mm, white, 1NO, AC 220V, spring return	Voltage: 220V; Contacts: 1NO
XA2AW34M2	Complete illuminated push button, Easy Harmony XA2, plastic head, 22mm, red, 1NC, AC 220V, spring return	Voltage: 220V; Contacts: 1NC
XA2EH021	Complete push button, Easy Harmony XA2, plastic, flush, black, 22mm, push push, unmarked, 1NO	Contacts: 1NO
XA2EW31M1	Harmony \| Complete illuminated push button, Easy Harmony XA2, plastic, flush, white, 22mm, spring return, 220V AC, 1NO	Voltage: 220V AC; Contacts: 1NO
XA2EW36B1	Harmony \| Complete illuminated push button, Easy Harmony XA2, plastic, flush, blue, 22mm, spring return, 24V AC DC, 1NO	Voltage: 24V AC; Contacts: 1NO
XA2EW36M1	Harmony \| Complete illuminated push button, Easy Harmony XA2, plastic, flush, blue, 22mm, spring return, 220V AC, 1NO	Voltage: 220V AC; Contacts: 1NO
XA2EW7L3741B5	Harmony \| Illuminated double-headed push-button, Easy Harmony XA2, plastic, 22mm, 1 green flush I + 1 light + 1 red flush O, 24V AC/DC, 1NO + 1NC	Voltage: 24V AC/DC; Contacts: 1NO + 1NC
XA2EA11	Complete push button, Easy Harmony XA2, plastic, flush, white, 22mm, spring return, unmarked, 1NO	Contacts: 1NO
XA2EW31B1	Harmony \| Complete illuminated push button, Easy Harmony XA2, plastic, flush, white, 22mm, spring return, 24V AC DC, 1NO	Voltage: 24V AC; Contacts: 1NO

Selection and installation

Use the exact part number when ordering replacement parts. Have a qualified electrical professional check the supply, load, protective coordination and manufacturer wiring instructions before commissioning. Accessories shown in application photographs are supplied only when explicitly included in the selected model designation.