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Adalet XHPPMS Short Barrel Red Maintained Mushroom Head Pushbutton

Posted by Justin Tan on

Adalet XHPPMS Short Barrel Red Maintained Mushroom Head Pushbutton

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The Adalet XHPPMS is a high-performance, explosion-proof Maintained pushbutton featuring a large Red Mushroom Head. Unlike momentary versions, this maintained operator stays in position once actuated. This model comes complete with a 1NO / 1NC contact block included. Its Short Barrel design is engineered for installation through enclosure covers lesser than 3/4" thick.

Technical Specifications

Specification Value
Part Number XHPPMS
Description Short Barrel Red Maintained Mushroom Head Pushbutton
Operation Maintained (Stay-put)
Included Components Includes 1NO / 1NC Contact Block
Materials Barrel: 6061-T6 Aluminum
Mushroom Head Button & Cap: Anodized 6061-T6 Aluminum
Mounting Entry 3/4" NPSM
Certifications Class I, Div. 1 & 2, Groups B, C, & D
Class II, Div. 1 & 2, Groups E, F, & G
Class III
UL1203/CSA C22.2 No. 25 & 30; UL50
NEMA Type 4, 7, 9

Product Overview

The Adalet XHPPMS is designed for critical control applications requiring a maintained state. The heavy-duty 6061-T6 aluminum construction ensures reliability in hazardous areas such as refineries and chemical plants.

Key Series Features

  • Complete Assembly: Includes the necessary 1NO/1NC contact block for immediate circuit integration.
  • Corrosion Resistance: Anodized aluminum components provide maximum protection in harsh environments.
  • NEMA 4X Ready: Protective boots available for high-moisture or wash-down requirements.

Technical Resources

Download PDF Master Catalogue

Refer to the Pushbutton section.

Frequently Asked Questions

A momentary button returns to its original position as soon as it is released. A Maintained (XHPPMS) button stays in the "pushed" position until it is manually pulled back or reset, making it ideal for certain process controls.

The XHPPM features a Long Barrel for enclosure covers thicker than 3/4". The XHPPMS features a Short Barrel designed for standard thin-wall control stations.


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