Hammond Manufacturing MPB12 - Pushbutton Encl - 12 PB x 22.5mm - Steel/Gray
Hammond Manufacturing

MPB12

UPC: 623980402451


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Overview

The Hammond Manufacturing MPB12 is a 12-position pushbutton enclosure designed for industrial control applications. Constructed from 14-gauge steel with a smooth, continuously welded seam, this enclosure protects 22.5mm diameter pushbutton switches. It meets UL 508A Type 12/13, CSA Type 12/13, NEMA Type 12/13, and IEC 60529 IP54 standards, resisting dirt, dust, oil, and water. Features include internally hinged removable covers (on larger sizes), captive cover screws, an oil-resistant gasket, a bonding stud on the door, and a grounding stud on the enclosure. Finished in ANSI 61 gray powder coating. Ideal for control panels, machinery interfaces, and automation systems requiring reliable pushbutton operation.
  • 12-position pushbutton enclosure for 22.5mm switches
  • 14-gauge steel construction with continuously welded seams
  • Meets UL 508A Type 12/13, CSA Type 12/13, NEMA Type 12/13, and IEC 60529 IP54 standards
  • Includes oil-resistant gasket, bonding stud, and grounding stud
  • ANSI 61 gray powder-coated finish for corrosion resistance

Specifications

Application
Designed to accept 22mm miniature oil tight pushbuttons, switches and pilot lights. Provides protection from dirt, dust, oil and water.
Brand Name
Hammond Mfg.
Color
Gray
Cubic Capacity
286.7475 in3
Housing Material
Mild Steel
Material
Mild Steel
Material
Steel
Mounting
Wall
NEMA Rating
type-12, type-13
NEMA Rating
12;13
Poles
12
Series
MPB
Size
10.38 in x 6.5 in x 4.25 in
Size
22.5mm
Special Features
Formed 14 gauge steel except the MPB1 which is 16 gauge. Smooth continuously welded seams. Welded brackets provide for enclosure mounting. Captive cover screws thread into sealed wells. Larger enclosures provide internally hinged removable covers, designed to hold the cover open during wiring (see table). Oil resistant gasket and adhesive. A bonding stud is provided on the door and a grounding stud is provided on the enclosure.
Standard
csa, ul, ce
Sub Brand
MPB Series
Type
Type 12 Mild Steel Miniature Pushbutton Enclosures
Package Dimensions (L x W x H)
4.68 IN x 7.15 IN x 11.42 IN
Package Dimensions (L x W x H)
11.8872 cm x 18.161 cm x 29.0068 cm
Package Weight (Imperial)
6.000 L
Package Weight (Metric)
2.722 kg
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N12 Hinged PB Encl - 12 PB x 22.5mm - Steel/Gray
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2-HOLE ENCLOSURE GREY ALUMINUM

Frequently Asked Questions about Hammond Manufacturing

What is Hammond Manufacturing's warranty policy?

Hammond Manufacturing provides a standard one-year warranty on all products, covering defects in workmanship and materials. Products will be repaired or replaced free of charge if found defective upon factory inspection. The warranty does not cover damage from improper handling, incorrect application, or faulty installation.

What certifications and standards do Hammond Manufacturing products comply with?

Hammond Manufacturing products are certified to UL (Underwriters Laboratories) and CSA (Canadian Standards Association) standards in North America. Our products meet rigorous safety and performance requirements, with many items classified as UL Listed Products or Recognized Components. We also comply with international certifications including China Compulsory Certification (CCC), C-Tick for Australian EMC requirements, and ANCE for Mexico.

What are the key features of Hammond Manufacturing products?

Hammond Manufacturing offers a comprehensive range of industrial enclosures and electrical components, including mild steel, stainless steel, aluminum, and non-metallic enclosures designed for diverse industrial applications. Their product lines cover critical industrial automation needs such as disconnect enclosures, operator interface enclosures, climate control solutions, and general accessories, with products engineered to meet Type 4, 4X, and 12 industrial standards.

What environmental ratings do Hammond Manufacturing products have?

Hammond Manufacturing offers enclosures with multiple environmental ratings across their product lines, including UL/cUL 508A ratings of Type 1, 2, 3, 4, 4X, 12, and 13. Their products also comply with IEC 60529 IP66 standards, providing robust protection against dust, water ingress, and harsh environmental conditions. Specific ratings vary by product series, with options ranging from indoor Type 1 enclosures to outdoor-rated Type 4X enclosures suitable for wet, corrosive, and high-temperature environments.

What industries and applications are Hammond Manufacturing products used for?

Hammond Manufacturing produces industrial enclosures and electrical components for multiple critical industries, including automation, electrical, audio, power systems, and control applications. Their product lines span mild steel, stainless steel, aluminum, and non-metallic enclosures designed for various NEMA types (Type 4, 4X, 12), as well as transformers, circuit board components, and climate control solutions for industrial and commercial environments.

What technical support does Hammond Manufacturing offer?

Hammond Manufacturing offers comprehensive technical support through multiple channels. Customers can access technical references and CAD downloads directly on www.hammondmfg.com, and can contact regional support teams via phone in Canada, the USA, and internationally. For custom design inquiries, their technical team provides personalized assistance, helping customers find standard solutions or develop custom transformer and electrical enclosure designs.

What are the main product lines offered by Hammond Manufacturing?

Hammond Manufacturing offers a comprehensive range of industrial enclosures, power supplies, and electronic packaging solutions. Their primary product lines include electrical and electronic enclosures, power transformers, heat sinks, PCI/PCIe card enclosures, and specialized mounting hardware for industrial automation and electronic applications.

What accessories are available for Hammond Manufacturing products?

Hammond Manufacturing offers a comprehensive range of accessories for their industrial enclosures and electrical components. Key accessories include HME Series handles (swing and lift handles with key locking and padlocking options), door stop kits, and light kit mounting brackets. They also provide standard hardware like screws, washers, and mounting accessories specific to different product lines.

How are Hammond Manufacturing products typically installed?

Hammond Manufacturing transformers are typically chassis-mounted using pre-drilled mounting holes and centers specified in their product dimension tables. Most models feature 3/16" diameter mounting holes and precise mounting centers, allowing for direct, secure installation onto equipment chassis or mounting plates. Installation requires aligning the transformer's mounting holes with corresponding mounting points and securing with appropriate fasteners.