The Schneider Electric XB4BD21 is a Harmony XB4 selector switch for 22 mm mounting holes: Selector switch, Harmony XB4, metal, black, 22mm, 2 positions, stay put, 1NO.
This reference is a selector switch; Schneider describes it as “Selector switch, Harmony XB4, metal, black, 22mm, 2 positions, stay put, 1NO”. Because the operator touches these parts every day, they wear far faster than the rest of the panel.
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Technical data
| Schneider reference | XB4BD21 |
|---|---|
| Product or component type | Selector switch |
| Bezel material | Chromium plated metal |
| Fixing collar material | Zamak |
| Mounting diameter | 22.5 mm |
| Sale per indivisible quantity | 1 |
| Head type | Standard |
| Shape of signaling unit head | Round |
| Type of operator | Stay put |
| Operator profile | Black standard handle |
| Operator position information | 2 positions 90° |
| 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 mm² without cable end conforming to IEC 60947-1 |
| Height | 47 mm |
| Width | 30 mm |
| Depth | 68 mm |
| Terminals description ISO n°1 | (13-14)NO |
| Net weight | 0.095 kg |
| Contacts usage | Standard contacts |
| Positive opening | Without |
| Dimensions (W x H x D) | 30 x 47 x 68 mm |
| Condition | New, original Schneider Electric |
At a glance
- Selector switch
- Harmony XB4
- metal
- black
- 22mm
- 2 positions
- stay put
- 1NO
Typical applications
- Panel retrofits with 22 mm holes
- Replacement of broken buttons or lamps
- Machine control panels and operator stations
- Start, stop and reset functions
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 is the degree of protection?
Per Schneider: IP69; IP69K; IP67 conforming to IEC 60529.
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 hole size does it need?
22 mm (22.5 mm cut-out), the standard size for Harmony XB4 and XB5.
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.
Do you ship to my country, and what is the warranty?
Yes. RendatSP ships worldwide from Yiwu, China, by air in 5 to 7 days once the part is ready, and every part carries a 1-year warranty. Send the order number and quantity on WhatsApp and we will reply with a quotation.
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.
