Schneider Electric
Schneider Electric ZB4BW643 22 mm Red Illuminated Push Button Operator
A 22 mm red illuminated mushroom-head push button with metal construction, IP66 and IP69K sealing, and NEMA 13 and 4X ratings for industrial control panels
- TypeIndustrial Electrical Controls & Automation
- Size22 mm
- 22 mm mounting fits standard industrial panels
- Red illuminated mushroom head gives clear status indication
- IP66 and IP69K ratings resist dust and high-pressure washdown
- NEMA 13 and 4X ratings suit corrosive and outdoor environments
- Certified to IEC 60947 and UL 508 for control-circuit safety
22 mm Red Illuminated Mushroom Operator
The Schneider Electric ZB4BW643 is a 22 mm red illuminated push-button operator with a 40 mm mushroom head. It uses metal construction for the basic body, head and bezel. The unit is rated NEMA 13 and 4X plus IP66 and IP69K for ingress protection. It carries multiple international standards including IEC 60947 series, UL 508, CSA C22.2 No. 14 and DNV approval.
Industrial panels needing maintained emergency stop
This operator suits control panels that require a maintained red mushroom head for emergency-stop or safety-interlock functions. The high IP ratings allow installation in wash-down or outdoor environments. Buyers who need a momentary action, a different head colour or a non-illuminated version should look at other ZB4 references.
Maintained 40 mm metal mushroom head
The single specification that decides fit is the maintained 40 mm metal mushroom head with red illumination. The 22 mm mounting diameter is standard, but the maintained action and metal construction determine whether this operator matches the safety circuit design.
Highlights
- 22 mm mounting fits standard industrial panels
- Red illuminated mushroom head gives clear status indication
- IP66 and IP69K ratings resist dust and high-pressure washdown
- NEMA 13 and 4X ratings suit corrosive and outdoor environments
- Certified to IEC 60947 and UL 508 for control-circuit safety
Specifications
| Brand | SCHNEIDER ELECTRIC |
|---|---|
| Type | Industrial Electrical Controls & Automation |
| Size | 22 mm |
Questions about this item
How do I verify the ZB4BW643 push button is operating correctly after installation?
Press the 40 mm mushroom head; it should latch in the maintained position and the red illumination must light steadily when the control circuit is energised.
What components are included with the ZB4BW643 and what must be purchased separately?
The operator head with metal bezel is supplied; you must buy the matching contact block, LED module and any legend plate separately.
Which version of the 22 mm red illuminated mushroom operator should I select for my panel?
Choose the ZB4BW643 when you need a maintained 40 mm metal mushroom head rated IP66, IP69K and NEMA 13, 4X for 22 mm cut-outs.
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