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Red 22 mm mushroom head push button with plastic body and bezel

Schneider Electric

Schneider Electric ZB5AR4 22 mm Red Mushroom Head Push Button

SKU CH-DTAG-FM6MW

A 22 mm red mushroom-head push button with momentary action and IP66 protection for industrial control panels

  • TypeIndustrial Electrical Controls & Automation
  • Size22 mm
  • 22 mm mounting fits standard industrial panels
  • Red mushroom head enables fast emergency identification
  • Momentary action returns automatically after release
  • IP66 and NEMA 4X ratings resist water and dust
  • Complies with IEC 60947 and UL 508 standards

22 mm Red Mushroom Head Operator

The Schneider Electric ZB5AR4 is a 22 mm mushroom head push button designed for industrial control panels and machinery interfaces. It suits engineers and maintenance teams who need a momentary actuator with a 60 mm red plastic head for emergency stop or manual override functions.

IP66 Sealed Construction

The operator carries NEMA 1, 2, 3, 4, 4X and 13 ratings alongside an IP66 ingress protection rating, sealing the mechanism against dust and powerful water jets. Plastic head, bezel and body materials keep the unit lightweight while meeting IEC 60529 and IEC 60068 vibration and shock standards for harsh environments.

Replaces Worn or Non-Compliant 22 mm Buttons

This unit upgrades panels where existing 22 mm operators have degraded seals, faded colour or outdated certifications. The jump is worth it when current buttons lack NEMA 4X or IP66 ratings, or when standards such as IEC 60947-5-1, UL 508 or DNV approval become mandatory for the application.

Highlights

  • 22 mm mounting fits standard industrial panels
  • Red mushroom head enables fast emergency identification
  • Momentary action returns automatically after release
  • IP66 and NEMA 4X ratings resist water and dust
  • Complies with IEC 60947 and UL 508 standards

Specifications

BrandSCHNEIDER ELECTRIC
TypeIndustrial Electrical Controls & Automation
Size22 mm

Questions about this item

How do I mount the 22 mm mushroom head push button and what is the common mistake?

Insert the operator through a 22 mm panel cut-out, align the anti-rotation notch, and tighten the locking nut to the specified torque; the step most often missed is forgetting the sealing washer, which is required for the IP66 and NEMA 4X ratings.

Which parts will need replacement after extended use?

The plastic mushroom head and bezel can wear or discolour over time; the internal contact blocks — sold separately — are the components typically replaced when switching action degrades.

What is the first limitation reached during continuous operation?

The plastic head and bezel are rated to IEC 60068-2-6 vibration and IEC 60068-2-27 shock limits; sustained vibration beyond those levels will cause mechanical fatigue before the IP66 seal fails.

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