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Dark grey thermoplastic enclosure with yellow mushroom push button, 22 mm head, wall mount

Dayton

Dayton 32W277 Push Button Control Station 22 mm 1NC Mushroom Head

SKU CH-9E48-MRYW9

A 22 mm mushroom-head push button control station with a single normally-closed contact rated 10A at 600V AC and 2.5A at 24V DC, housed in a NEMA 4/4X thermoplastic enclosure

  • Engine BrandDAYTON
  • Engine Size22 mm
  • 22 mm mounting fits standard industrial cut-outs
  • Mushroom-head push/pull gives fast emergency actuation
  • 1NC contact rated 10 A at 600 V AC
  • NEMA 4 and 4X thermoplastic enclosure resists dust and water
  • Wall-mount design measures 1.98 in high by 2.92 in wide

Push Button Control Station 22 mm

The Dayton 32W277 is a single-operator control station with a red mushroom-head push / pull button. It provides one normally-closed contact rated at 10A at 600V AC or 2.5A at 24V DC. The thermoplastic enclosure carries NEMA 4 and 4X ratings for indoor or outdoor wall mounting.

Thermals Noise and Power Draw

As a passive electromechanical switch the unit generates no heat and produces no audible noise during operation. It draws no power of its own; the contact simply completes or interrupts the control circuit up to its rated limits.

Contact Form 1NC Decision Factor

The single normally-closed contact opens when the mushroom head is pulled, making this station suitable only for circuits that require a break-on-actuation signal. Buyers who need a normally-open contact or multiple operators cannot use this unit.

Highlights

  • 22 mm mounting fits standard industrial cut-outs
  • Mushroom-head push/pull gives fast emergency actuation
  • 1NC contact rated 10 A at 600 V AC
  • NEMA 4 and 4X thermoplastic enclosure resists dust and water
  • Wall-mount design measures 1.98 in high by 2.92 in wide

Specifications

Engine BrandDAYTON
Engine Size22 mm

Questions about this item

How is the 22 mm mushroom-head push button mounted and what step is often missed?

The station mounts on a wall with a 22 mm cut-out; the step often missed is tightening the locking nut to the specified torque so the NEMA 4/4X seal stays intact.

What part will need replacement after extended use?

The 1NC contact block rated A600/Q600 should be replaced when switching 10 A at 600 V AC or 2.5 A at 24 V DC no longer meets the application's reliability requirements.

What limit appears first during continuous operation?

The contact rating of 10 A at 600 V AC and 2.5 A at 24 V DC defines the thermal limit; sustained loads above these values will cause overheating before any mechanical wear occurs.

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