Hammond Manufacturing HPBLG - Hole Plug - STD. Pushbutton - Steel/Lt Gray
Hammond Manufacturing

HPBLG

UPC: 623980412641


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Overview

The Hammond Manufacturing HPBLG is a steel hole plug designed to seal unused 30.5mm standard pushbutton holes in industrial enclosures. It features a light gray (RAL7035) finish and an oil-resistant gasket to block dust, oil, and water ingress. Secured with a 10-24 x 0.55” threaded stud and plated wing nut, the plug maintains a clean panel appearance. This product meets UL/cUL Type 1, 3, 3R, 4, 12, and 13 standards. Manufactured by Hammond Manufacturing in the US, the HPBLG is ideal for electrical panels, control boxes, and machinery where unused openings must be protected.
  • Seals unused 30.5mm pushbutton holes in industrial enclosures
  • Light gray (RAL7035) steel finish with oil-resistant gasket
  • Secured with 10-24 x 0.55” threaded stud and plated wing nut
  • Meets UL/cUL Type 1, 3, 3R, 4, 12, and 13 standards
  • Manufactured by Hammond Manufacturing in the US
  • UL/cUL recognized component for Type 1, 3, 3R, 4, 12, and 13 enclosures.

Specifications

Application
Designed to seal unused pushbutton holes, conduit openings and knockout holes against dust, oil and water.
Brand Name
Hammond Mfg.
Color
Light Gray
Ip Rating
IP4
Material
Steel
Mounting
Wing Nut
Mounting Type
Wing Nut
Mounting Type
Threaded stud with wing nut
Nema Rating
Type 1, 3, 3R, 4, 12, 13
Series
HPBLG
Shape
Round
Size
30.5mm
Special Features
Standard Pushbutton size is 30.5mm Oil resistant gasket. Secured with an 8-32 x 0.55" threaded stud and plated wing nut. Steel Hole Plug - Available in 12 sizes. Stainless Steel Hole Plugs - Available in 8 sizes.
Sub Brand
HP Series
Type
Hole Plugs
Package Dimensions (L x W x H)
1 IN x 1 IN x 1 IN
Package Dimensions (L x W x H)
2.54 cm x 2.54 cm x 2.54 cm
Package Weight (Imperial)
0.130 L
Package Weight (Metric)
0.059 kg
The NE1.5X4WH6 Halogen-Free Wide Slot Wiring Duct design provides greater rigidity and allows for a wide range of wire/bundle sizes. Upper and lower scorelines for easy finger/sidewall section removal. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 4.06" x 1.64" (103.1 mm x 41.7 mm) and 6' (1.83 m) long. Cover sold separately. Color White. 6 pieces per package.

NE1.5X4WH6

The NE1.5X4WH6 Halogen-Free Wide Slot Wiring Duct design provides greater rigidity and allows for a wide range of wire/bundle sizes. Upper and lower scorelines for easy finger/sidewall section removal. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 4.06" x 1.64" (103.1 mm x 41.7 mm) and 6' (1.83 m) long. Cover sold separately. Color White. 6 pieces per package.
The NNC75X75WH2 Halogen-Free Wide Slot Wiring Duct is used to route, protect, and manage wires near sensitive electronic equipment and in environments where heat resistance or public safety is a concern. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 2.85" x 2.97" (72.4 mm x 75.4 mm) and 6.6' (2 m) long. Cover included. Color White. 5 pieces per package.

NNC75X75WH2

The NNC75X75WH2 Halogen-Free Wide Slot Wiring Duct is used to route, protect, and manage wires near sensitive electronic equipment and in environments where heat resistance or public safety is a concern. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95 C (203 F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 2.85" x 2.97" (72.4 mm x 75.4 mm) and 6.6' (2 m) long. Cover included. Color White. 5 pieces per package.
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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.