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Green 22 mm flush push button with metal bezel

Schneider Electric

Schneider Electric ZB4BH03 22 mm maintained flush push button, green, IP66

SKU CH-QEW1-23HF4

A 22 mm maintained flush push button with green metal head, IP66 and NEMA 1, 2, 3, 4, 4X, 13 ratings for industrial control panels

  • TypeIndustrial Electrical Controls & Automation
  • Size22 mm
  • 22 mm flush design fits standard industrial cut-outs
  • Maintained action stays engaged until pressed again
  • Green metal head gives clear visual status
  • IP66 and NEMA 4X ratings resist water and dust
  • Certified to IEC 60947 and UL 508 standards

Industrial 22 mm push button

The Schneider Electric ZB4BH03 is a 22 mm maintained flush push button with a green metal head and metal bezel. It is built for industrial control panels that need a durable manual actuator. The operator suits machine builders and maintenance teams fitting standard 22 mm cut-outs.

Maintained action and IP66 sealing

The maintained mechanism keeps the circuit closed until the button is pressed again, removing the need for a separate latching relay. An IP66 rating plus NEMA 1, 2, 3, 4 and 4X ratings mean the head resists powerful water jets and dust ingress in wash-down or outdoor environments.

All-metal construction and standard mounting

The head, bezel and base material are all metal, giving mechanical strength against impact and vibration. The 22 mm mounting diameter fits industry-standard panel holes, while compliance with IEC 60947-5-1, UL 508 and other listed standards supports acceptance in regulated installations.

Highlights

  • 22 mm flush design fits standard industrial cut-outs
  • Maintained action stays engaged until pressed again
  • Green metal head gives clear visual status
  • IP66 and NEMA 4X ratings resist water and dust
  • Certified to IEC 60947 and UL 508 standards

Specifications

BrandSCHNEIDER ELECTRIC
TypeIndustrial Electrical Controls & Automation
Size22 mm

Questions about this item

How often should the maintained flush push button mechanism be inspected or replaced in a high-cycle application?

The maintained flush push button uses a metal head, bezel and basic material rated to IEC 60947-5-1 and IEC 60947-5-5 standards. Inspection intervals depend on cycle count and environment; no fixed replacement schedule is defined by the standards listed.

What is the first performance limit reached during continuous actuation of the 22 mm green push button?

The operator is rated IP66 and NEMA 1, 2, 3, 4, 4X, 13, so the limiting factor under sustained use is mechanical endurance per IEC 60947-5-1 rather than ingress protection or electrical ratings.

Does the metal bezel and head assembly generate noticeable heat or require extra power when the button stays actuated all day?

The push button is a passive mechanical operator with no coil or illumination; it draws no power and produces no heat when maintained in the actuated position.

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