The Schneider Electric XB5AS542 is a Harmony XB5 complete emergency switching off push-button for 22 mm mounting holes: Complete emergency switching off push button, Harmony XB5, red Ø 40 pushbutton Ø22 mm latching turn release 1NC.
Pilot devices are among the most frequently replaced parts on a machine: buttons break, labels wear and lamps burn out. A complete unit comes with head, fixing collar and contact or light block assembled.
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Technical data
| Schneider reference | XB5AS542 |
|---|---|
| Product or component type | Complete emergency switching off push-button |
| Bezel material | Plastic |
| Fixing collar material | Plastic |
| Head type | Standard |
| Mounting diameter | 22 mm |
| Sale per indivisible quantity | 1 |
| Shape of signaling unit head | Round |
| Type of operator | Mechanical latching |
| Reset | Turn to release |
| Operator profile | Red mushroom Ø 40 mm, unmarked |
| Contact operation | Slow-break |
| Connections – terminals | Screw clamp terminals, <= 2 x 1.5 mm² with cable end conforming to EN 60947-1; Screw clamp terminals, >= 1 x 0.22 mm² without cable end conforming to EN 60947-1 |
| Height | 43 mm |
| Width | 40 mm |
| Depth | 100 mm |
| Terminals description ISO n°1 | (11-12)NC |
| Contacts usage | Standard contacts |
| Positive opening | With conforming to EN/IEC 60947-5-1 appendix K |
| Operating travel | 1.5 mm (NC changing electrical state); 4.3 mm (total travel) |
| Mechanical durability | 300000 Cycles |
| Dimensions (W x H x D) | 40 x 43 x 100 mm |
| Condition | New, original Schneider Electric |
Key characteristics (per Schneider)
- Complete emergency switching off push button
- Harmony XB5
- red Ø 40 pushbutton Ø22 mm latching turn release 1NC
Typical applications
- Start, stop and reset functions
- Machine control panels and operator stations
- Motor control centres and pump panels
- Panel retrofits with 22 mm holes
Compatibility and replacement
Spare contact blocks (ZBE101 NO, ZBE102 NC), light modules and legend holders are available separately. XB5 and XB4 share the same contact blocks and 22 mm hole size.
Frequently asked questions
What hole size does it need?
22 mm (22.5 mm cut-out), the standard size for Harmony XB4 and XB5.
Is it a complete unit?
Yes, the reference is a complete unit as described by Schneider (head plus body with contacts or light block).
What is the degree of protection?
Per Schneider: IP66 conforming to IEC 60529; IP67; IP69; IP69K.
Can I replace only the contact block?
Yes. Harmony contact blocks (for example ZBE101 NO or ZBE102 NC) clip onto the fixing collar and can be changed without removing the head.
Can I get a price and delivery time?
Prices are quoted on request. Send the order number, quantity and delivery country on WhatsApp and we will reply with price and delivery time; air shipping is usually 5 to 7 days once ready, with a 1-year warranty.
Ordering tips
Send us the full order number from the label of the old part, or a clear photo of the label, together with the quantity you need. We check the number against the current manufacturer data before we quote and tell you if there is a newer replacement.
Need it fast? Send the order number, quantity and delivery country on WhatsApp or through the inquiry form and we reply with a quotation the same working day. All parts are new and original, covered by a 1-year warranty, and ship worldwide by air in 5 to 7 days once ready (shipping, payment and warranty). Local agents: Saudi Arabia, Iraq, the UAE, Egypt, Oman, Libya, Morocco, Mauritania, Yemen, Algeria and Jordan.




