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Schneider Electric green illuminated push button, 22 mm metal body

Schneider Electric

Schneider Electric ZB4BH33 Illuminated Push Button 22 mm Green

SKU CH-QMNV-SKCSA

A 22 mm green illuminated push button with metal construction, IP66 and NEMA 13/4X ratings, maintained action, certified to IEC 60947 and UL 508 standards

  • Size22 mm
  • Product typeIndustrial Electrical Controls & Automation
  • Green illuminated button for clear status indication
  • 22 mm mounting size fits standard industrial panels
  • Metal construction with IP66 and NEMA 13 4X ratings resists harsh environments
  • Maintained action keeps circuit state until pressed again
  • Certified to IEC 60947 standards and UL 508 for compliant installations

22 mm Green Illuminated Push Button

This Schneider Electric ZB4BH33 operator provides a maintained-action illuminated button for industrial control panels. The 22 mm mounting size fits standard cut-outs used in automation and machinery applications. Its green illumination gives clear visual status indication in panel layouts. The metal head, bezel and base materials suit demanding environments.

Metal construction with IP66 and NEMA 13, 4X ratings

The all-metal head, bezel and basic material resist impact and corrosion in harsh settings. An IP66 rating protects against powerful water jets and dust ingress during wash-down or outdoor exposure. NEMA 13 and 4X ratings confirm suitability for oil, coolant and corrosive atmospheres. The maintained operator stays in the activated position until pressed again.

Replaces worn or non-illuminated 22 mm operators

This unit upgrades older push buttons that lack illumination or have degraded seals. The jump is worth it when panels require verified IP66 and NEMA 4X protection for compliance. It also suits projects needing maintained action instead of momentary contact. Buyers needing momentary operation or a different colour should select an alternative model.

How it compares

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

Price $12.99
Cheaper than about 65% 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 NEMA ratings does the ZB4BH33 meet and what environments do they cover?

The operator is rated NEMA 13 and NEMA 4X, meaning it resists oil, coolant, splashing water, and hose-directed water in indoor and outdoor industrial settings.

What panel cut-out and mounting style does the 22 mm metal bezel require?

It fits a standard 22 mm round cut-out and uses the Harmony ZB4 screw-clamp mounting collar that locks the operator from the rear of the panel.

How is the maintained-action mechanism engaged during installation and what step is often missed?

After securing the mounting collar, the contact block snaps onto the operator base; the common error is leaving the block unlatched so the button fails to hold its position.

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