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Yellow metal flush push button operator, 22 mm diameter, momentary action, IP66 rated

Schneider Electric

Schneider Electric ZB4BW353 Push Button Operator Flush Momentary 22 mm Yellow Metal

SKU CH-5WEM-BQPHQ

A 22 mm flush momentary push button operator with a yellow metal head and bezel, rated IP66 and NEMA 4X for industrial control panels

  • TypeIndustrial Electrical Controls & Automation
  • Size22 mm
  • Flush momentary action for precise control
  • Yellow metal head gives high visibility in industrial settings
  • 22 mm mounting fits standard panel cut-outs
  • IP66 and NEMA 4X ratings protect against dust and water jets
  • Certified to IEC 60947, UL 508, CSA 22.2 No. 14 and RoHS standards

Schneider Electric ZB4BW353 22 mm Yellow Metal

The Schneider Electric ZB4BW353 is a 22 mm flush push button operator with momentary action designed for industrial control panels. Its metal head, bezel and base provide mechanical strength in demanding environments. The yellow colour identifies specific functions at a glance. It suits engineers and maintenance teams building or servicing machinery interfaces.

Environmental protection and mounting limits

The operator meets NEMA 13 and 4X as well as IP66, so it resists dust, water jets and oil ingress in harsh settings. Compliance with IEC 60529, IEC 60068‑2‑6 and IEC 60068‑2‑27 confirms vibration and shock tolerance. Installation requires a standard 22 mm panel cut‑out; no larger or smaller openings are supported. Buyers needing a different cut‑out size or a lower protection rating should choose another model.

Momentary action defines the control behaviour

The single specification that decides suitability is the momentary contact type: the circuit closes only while the button is pressed and opens immediately on release. This suits jog, start or reset functions but cannot hold a circuit without continuous pressure. Applications requiring maintained or latching operation need a different operator type.

Highlights

  • Flush momentary action for precise control
  • Yellow metal head gives high visibility in industrial settings
  • 22 mm mounting fits standard panel cut-outs
  • IP66 and NEMA 4X ratings protect against dust and water jets
  • Certified to IEC 60947, UL 508, CSA 22.2 No. 14 and RoHS standards

Specifications

BrandSCHNEIDER ELECTRIC
TypeIndustrial Electrical Controls & Automation
Size22 mm

Questions about this item

Which ZB4BW353 variant should I pick for a 22 mm panel cut-out?

The ZB4BW353 is a single 22 mm flush momentary operator; no other diameters or action types are offered under this part number.

What does the IP66 rating mean when the button is installed in a control panel?

IP66 confirms the operator is dust-tight and protected against powerful water jets when correctly mounted in a 22 mm opening.

Which standards govern the 22 mm mounting interface and what do they limit?

IEC 60947-5-1 and related EN/IEC 60947 parts define the 22 mm mounting dimensions and the electrical ratings the operator must meet.

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