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Schneider Electric blue flush push button 22 mm metal operator

Schneider Electric

Schneider Electric ZB4BW363 Push Button Operator Flush Momentary Blue 22 mm

SKU CH-3BK3-GE57Z

A 22 mm flush momentary push button with metal construction, blue actuator, IP66 and NEMA 13/4X sealing, certified to IEC 60947 and UL 508 standards

  • Size22 mm
  • Product typeIndustrial Electrical Controls & Automation
  • Flush 22 mm operator fits standard panel cut-outs
  • Momentary action returns automatically for precise control
  • Blue metal head gives clear visual identification
  • IP66 and NEMA 4X ratings resist water and dust ingress
  • Certified to IEC 60947 and UL 508 for industrial safety

Industrial control actuator

The Schneider Electric ZB4BW363 is a 22 mm flush push-button operator designed for industrial electrical control panels. Its momentary action suits machine start, stop or reset functions where a brief, tactile input is required. The metal head, bezel and body provide mechanical durability in demanding environments. Panel builders and maintenance engineers specify it for new installations or direct replacements.

Upgrade from worn or lower-rated operators

It replaces legacy buttons that lack the IP66 and NEMA 13, 4X sealing needed for wash-down or outdoor exposure. The jump is worth it when the existing cut-out is 22 mm and the application demands compliance with IEC 60947-5-1, IEC 60947-5-4, IEC 60947-5-5, UL 508 and CSA C22.2 No. 14. Buyers who need a maintained-contact or illuminated operator cannot use this model.

Sustained environmental loading

The assembly meets IP66 and NEMA 13, 4X ratings, resisting dust, water jets and oil during continuous operation. Metal construction withstands vibration per IEC 60068-2-6 and shock per IEC 60068-2-27 without loosening. Compliance with IEC 60529, EN 50102 and DNV confirms long-term sealing integrity. RoHS and REACH declarations confirm restricted-substance compliance for regulated markets.

How it compares

Measured against everything we stock in General Hardware & Accessories, at today’s prices. Recalculated every night.

Price $8.99
Cheaper than about 85% of the 2,607 comparable items (median $18.99).

Specifications

Product
Brand nameSCHNEIDER ELECTRIC
Product typeIndustrial Electrical Controls & Automation
Size & build
Size22 mm

Questions about this item

What size panel cut-out does the 22 mm flush push button require?

The operator fits a standard 22 mm mounting hole and uses the supplied locking nut to clamp onto panels up to the rated thickness.

How is the momentary contact block attached to the metal bezel, and what step is often missed?

Snap the contact block onto the rear of the operator until the latch clicks; the missed step is forgetting to rotate the locking lever to the locked position.

Which sealing ratings determine when the blue flush button should be replaced due to ingress wear?

The NEMA 13 and 4X ratings together with IP66 define the sealing performance; replace the operator if the gasket no longer maintains those ratings.

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