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Black 22 mm mushroom head push button with 60 mm plastic cap

Schneider Electric

Schneider Electric 22 mm Mushroom Head Push Button Black

SKU CH-YS9J-35354

A 22 mm mushroom-head push button rated IP66 and NEMA 1, 2, 3, 4, 4X, 13 for industrial control panels

  • TypeIndustrial Electrical Controls & Automation
  • Size22 mm
  • Reliable operation in harsh environments thanks to IP66 protection
  • Suitable for wet and dusty areas with NEMA 1, 2, 3, 4, 4X and 13 ratings
  • Easy panel integration using the standard 22 mm mounting size
  • Clear emergency identification from the 60 mm black mushroom head
  • Meets international safety requirements with IEC 60947-5-1, UL 508 and CSA 22.2 No. 14 certifications

Industrial Mushroom Push Button

The Schneider Electric 22 mm mushroom head push button is a momentary operator designed for industrial control panels and machinery interfaces. Its 60 mm plastic head provides a large, tactile target for operators wearing gloves or working in low-visibility conditions. The unit mounts in a standard 22 mm cut-out and carries a black finish for high contrast against typical panel colours. It serves engineers and maintenance teams building or repairing automation systems.

Upgrade From Smaller Operators

This device replaces smaller flush or extended push buttons when a larger actuation surface reduces mis-hits during emergency or high-speed operations. The jump is worth it when panel space allows a 60 mm head and the application demands NEMA 1, 2, 3, 4, 4X and 13 ratings alongside IP66 ingress protection. Compliance with IEC 60947-5-1, UL 508 and CSA C22.2 No. 14 ensures the switch meets international safety and performance benchmarks for industrial use.

Sustained Environmental Performance

Under continuous exposure the plastic construction resists corrosion, UV degradation and chemical contact common in wash-down or outdoor environments. The IP66 rating confirms protection against powerful water jets and dust ingress during prolonged operation. Certified to IEC 60068-2-6 and IEC 60068-2-27, the operator withstands vibration and shock without mechanical fatigue. Class II insulation per IEC 60536 maintains electrical safety throughout the service life.

Highlights

  • Reliable operation in harsh environments thanks to IP66 protection
  • Suitable for wet and dusty areas with NEMA 1, 2, 3, 4, 4X and 13 ratings
  • Easy panel integration using the standard 22 mm mounting size
  • Clear emergency identification from the 60 mm black mushroom head
  • Meets international safety requirements with IEC 60947-5-1, UL 508 and CSA 22.2 No. 14 certifications

Specifications

BrandSchneider Electric
TypeIndustrial Electrical Controls & Automation
Size22 mm

Questions about this item

What panel cut-out diameter does the 22 mm mushroom head push button require?

The operator fits a standard 22 mm panel cut-out, matching the 22 mm size listed in the specifications.

How is the operator secured during installation, and what step is often missed?

The plastic bezel threads onto the mounting body from the front; the lock-nut on the rear must be tightened to the specified torque or the seal will not meet IP66.

Which sealing rating should be checked during periodic maintenance to ensure the NEMA 4X rating remains valid?

Verify the IP66 seal integrity and inspect the plastic head and bezel for cracks or UV degradation that would compromise the NEMA 1, 2, 3, 4, 4X and 13 ratings.

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