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Black mushroom push button, 22 mm plastic head, maintained type

Schneider Electric

Schneider Electric ZB5AS52 22 mm Mushroom Push Button Black

SKU CH-0SWJ-SMTG3

A 22 mm maintained mushroom push button with 40 mm black plastic head rated IP66 and NEMA 1, 2, 3, 4, 4X, 13

  • TypeIndustrial Electrical Controls & Automation
  • Size22 mm
  • Reliable operation in harsh environments with IP66 and NEMA 1, 2, 3, 4, 4X, 13 ratings
  • Durable plastic construction withstands industrial use with 40 mm mushroom head
  • Maintained push-button action provides clear on/off status for safety circuits
  • Complies with multiple international standards including IEC 60947-5-1 and UL 508
  • RoHS and REACH compliant for environmentally responsible installations

Schneider Electric ZB5AS52 22 mm Push Button

The Schneider Electric ZB5AS52 is a 22 mm mushroom-head push-button operator designed for industrial control panels. It features a maintained action with a 40 mm black plastic head and bezel, built to withstand demanding environments.

Suits panels needing a maintained mushroom operator

This operator suits panels that require a maintained mushroom push button with NEMA 1, 2, 3, 4, 4X and 13 ratings plus IP66 protection. It is not for applications needing a momentary action, a different head diameter, or a non-maintained switching function.

Fits standard 22 mm cut-outs

Installation uses the standard 22 mm mounting hole common in industrial enclosures. The plastic construction requires care not to over-tighten the locking nut, which can crack the bezel or strip the threads.

Highlights

  • Reliable operation in harsh environments with IP66 and NEMA 1, 2, 3, 4, 4X, 13 ratings
  • Durable plastic construction withstands industrial use with 40 mm mushroom head
  • Maintained push-button action provides clear on/off status for safety circuits
  • Complies with multiple international standards including IEC 60947-5-1 and UL 508
  • RoHS and REACH compliant for environmentally responsible installations

Specifications

BrandSCHNEIDER ELECTRIC
TypeIndustrial Electrical Controls & Automation
Size22 mm

Questions about this item

Does the ZB5AS52 need a separate contact block and mounting collar to operate?

Yes, the mushroom head is an operator only and requires a compatible contact block and 22 mm mounting collar, both sold separately.

Will this 22 mm mushroom head fit the same cut-out as my existing 22 mm Schneider Electric push buttons?

Yes, it uses the standard 22 mm mounting diameter and matches the NEMA 1, 2, 3, 4, 4X, 13 and IP66 ratings of other Harmony series operators.

How can I verify the maintained action is working after wiring the contact block?

Press the black 40 mm mushroom head; it should latch in the down position and the connected contact block changes state, then turn the head to release and the contacts return.

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