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

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

UPC: 623980403052


Documents & Media
Technical DrawingSpecification SheetWarranty

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Hammond Manufacturing MPB3 is a gray steel pushbutton enclosure designed for industrial control applications. This housing accommodates three 22.5mm pushbuttons. Constructed from steel with a gray finish, it provides a durable solution for control panel integration. The enclosure dimensions are 3.50" deep, 7.00" high, and 2.75" wide, offering a compact footprint. It is suitable for factory floors, processing plants, and automation systems where ruggedness and space efficiency are important. The MPB3 is part of Hammond Manufacturing's line of industrial enclosures.
  • Gray steel construction for durability
  • Accommodates three 22.5mm pushbuttons
  • Compact dimensions: 3.50" D x 7.00" H x 2.75" W
  • Suitable for industrial control panels
  • Manufacturer: Hammond Manufacturing, SKU: MPB3

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 Mounting
Mounting Type
Flange
NEMA Rating
12;13
NEMA Rating
type-12, type-13
Poles
3
Series
MPB
Series
MPB3
Size
7 in x 2.75 in x 3.5 in
Size
22.5mm
Size
3 PB x 22.5mm
Size
22.5mm pushbutton spacing
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

1435MF

Pushbutton Encl - 4 PB x 22.5mm - Steel/Gray
Deep Pushbutton Enclosures Type 12, 3PB x 22.5mm, Gray, Steel

E3PBGXM

Deep Pushbutton Enclosures Type 12, 3PB x 22.5mm, Gray, Steel
2-HOLE ENCLOSURE GREY ALUMINUM

080SP-2

2-HOLE ENCLOSURE GREY ALUMINUM
Contact Equipment: 2 x NC + 1 x NO Shape: RectangularContact Type: 8-pole M12 Contact Material: AgNi gold-platedRelease: twist right or leftIllumination: No Labeling Option: No

S41_01

Contact Equipment: 2 x NC + 1 x NO Shape: RectangularContact Type: 8-pole M12 Contact Material: AgNi gold-platedRelease: twist right or leftIllumination: No Labeling Option: No
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 - Extra Deep - 2 PB x 30.5mm - Steel/Gray

1437B

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

Frequently Asked Questions

What type of components can these enclosures accept?

These enclosures are designed to accept 22mm miniature oil tight pushbuttons, switches, and pilot lights.

What protection do these enclosures offer?

They provide protection from dirt, dust, oil, and water.

What standards do these enclosures comply with?

They comply with UL 508A Type 12 and 13, CSA Type 12 and 13, NEMA Type 12 and 13, and IEC 60529, IP54 standards.

What material are the enclosures made from?

The enclosures are constructed from formed 14 gauge steel, except for the MPB1 which is 16 gauge.

Are there provisions for grounding?

Yes, a bonding stud is provided on the door and a grounding stud is provided on the enclosure.

What color options are available for the enclosures?

The enclosures are offered in ANSI 61 gray or RAL7035 light gray powder coating.

What are the dimensions of the MPB3 enclosure?

The MPB3 enclosure has dimensions of 7.00 in height, 2.75 in width, and 3.50 in depth.

How are the enclosures mounted?

Welded brackets are provided on the enclosures for mounting.

What type of gasket is used for sealing?

An oil resistant gasket and adhesive are used for sealing.

Which enclosure models are not hinged?

The MPB1, MPB2, MPB3, and MPB4 models are not hinged.

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.