For 22 mm panel cut-outs, the Schneider XB5AA51 is a Harmony XB5 (plastic bezel) push-button.
Colour coding follows IEC 60073: green or white for start/on, red for stop/emergency, yellow/amber for warning and blue for reset or mandatory actions.
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Technical data
| Schneider reference | XB5AA51 |
|---|---|
| Product or component type | Push-button |
| Bezel material | Plastic; Dark grey plastic |
| Head type | Standard |
| Fixing collar material | Plastic |
| Mounting diameter | 22.5 mm |
| Sale per indivisible quantity | 1 |
| Shape of signaling unit head | Round |
| Type of operator | Spring return |
| Operator profile | Yellow flush, unmarked |
| Contacts type and composition | 1 NO |
| Contact operation | Slow-break |
| Connections – terminals | Screw clamp terminals, <= 2 x 1.5 mm² with cable end conforming to IEC 60947-1; Screw clamp terminals, 1 x 0.22…2 x 2.5 mm² without cable end conforming to IEC 60947-1 |
| Height | 42 mm |
| Width | 30 mm |
| Depth | 52 mm |
| Terminals description ISO n°1 | (13-14)NO |
| Net weight | 0.037 kg |
| Contacts usage | Standard contacts |
| Positive opening | Without |
| Operating travel | 2.6 mm (NO changing electrical state); 4.3 mm (total travel) |
| Dimensions (W x H x D) | 30 x 42 x 52 mm |
| Condition | New, original Schneider Electric |
At a glance
- Push button
- Harmony XB5
- plastic
- flush
- yellow
- 22mm
- spring return
- unmarked
- 1NO
Typical applications
- Machine control panels and operator stations
- Start, stop and reset functions
- 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.
How to order
Message us the order number and quantity. For breakdowns, tell us the delivery address and we will offer the fastest shipping option. If the exact part is discontinued, we confirm the official successor before quoting.
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.





