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Hammond Manufacturing MPB3 - Pushbutton Encl - 3 PB x 22.5mm - Steel/Gray
Hammond Manufacturing

MPB3

UPC: 623980403052


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Overview

The Hammond MPB3 (SKU MPB3) is a gray steel pushbutton enclosure designed for industrial control panels. This housing accommodates three 22.5mm pushbuttons, offering a compact and durable solution for machine interfaces and automation systems. Constructed from high-strength steel with a corrosion-resistant gray finish, it is built to withstand harsh industrial environments, resisting impact and vibration. The enclosure features standard 22.5mm pushbutton spacing for easy integration into existing or new control panel layouts. Its simple mounting flange and clear button openings streamline installation and maintenance. Ideal for factory floors, processing plants, and control systems where space and ruggedness are essential.
  • Houses 3 pushbuttons with 22.5mm diameter
  • Constructed from high-strength steel with gray finish
  • Corrosion-resistant and impact-resistant
  • Standard 22.5mm pushbutton spacing for easy integration
  • Simple mounting flange for quick installation

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
67.375 in3
Housing Material
Mild Steel
Material
Steel
Material
Mild Steel
Mounting
Wall
Mounting Type
Flange Mount
Mounting Type
Flange
NEMA Rating
type-12, type-13
NEMA Rating
12;13
Poles
3
Series
MPB
Size
22.5mm
Size
3 PB x 22.5mm
Size
7 in x 2.75 in x 3.5 in
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)
3.85 IN x 3.03 IN x 7.7 IN
Package Dimensions (L x W x H)
9.779 cm x 7.6962 cm x 19.558 cm
Package Weight (Imperial)
2.880 L
Package Weight (Metric)
1.306 kg
Pushbutton Encl - 4 PB x 22.5mm - Steel/Gray

1435MD

Pushbutton Encl - 4 PB x 22.5mm - Steel/Gray
Sloped-Front Pushbutton Enclosures Type 12, 2PBx30.5mm, Gray, Steel

E2PBA

Sloped-Front Pushbutton Enclosures Type 12, 2PBx30.5mm, Gray, Steel
2-HOLE ENCLOSURE GREY ALUMINUM

080SP-2

2-HOLE ENCLOSURE GREY ALUMINUM
Pushbutton Encl - 12 PB x 30.5mm - Steel/Gray

1435O

Pushbutton Encl - 12 PB x 30.5mm - Steel/Gray
Pushbutton Encl - 4 PB x 22.5mm - Steel/Gray

MPB4

Pushbutton Encl - 4 PB x 22.5mm - Steel/Gray
Pushbutton Encl - 16 PB x 30.5mm - Steel/Gray

1435S

Pushbutton Encl - 16 PB x 30.5mm - Steel/Gray
Pushbutton Encl - 4 PB x 30.5mm - Steel/Gray

1435D

Pushbutton Encl - 4 PB x 30.5mm - Steel/Gray
Pushbutton Encl - Extra Deep - 2 PB x 30.5mm - Steel/Gray

1437B

Pushbutton Encl - Extra Deep - 2 PB x 30.5mm - Steel/Gray

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.