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HAMMOND Hole Plug: Steel, 3 in Conduit Hole Size, For 3.62 in Hole Dia - Max, Steel - Electrical Enclosure Hole Seals
HAMMONDElectrical Enclosure Hole Seals

HAMMOND Hole Plug: Steel, 3 in Conduit Hole Size, For 3.62 in Hole Dia - Max, Steel

The HAMMOND Hole Plug: Steel (MPN HP300) is a steel electrical enclosure hole seal designed for conduit holes up to 3.62 inches in diameter. It features a gray powder-coated finish and includes an oil-resistant…

SKU 3G-OTH-07368

Also listed as: HP 300 · HP-300

Brand
HAMMOND
Item
Hole Plug: Steel, 3 in Conduit Hole Size, For 3.62 in Hole Dia - Max, Steel
Category
Electrical Enclosure Hole Seals
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

HAMMOND
Manufacturer Part Number
HP300
Type
For 3.62 in Hole Dia - Max, Steel, 1/12/13/3/3R/4
Material
Steel
Color
Gray
Finish
Powder Coated
Includes
Oil Resistant Gasket
For Hole Type
Conduit
Conduit Hole Size
3 in
NEMA Enclosure Rating
3

Technical Documents

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HAMMOND Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HAMMOND Hole Plug: Steel (MPN HP300) is a steel electrical enclosure hole seal designed for conduit holes up to 3.62 inches in diameter. It features a gray powder-coated finish and includes an oil-resistant gasket, with a NEMA 3 enclosure rating.

Frequently Asked Questions

What is the HAMMOND HP300 hole plug used for?

The HAMMOND HP300 hole plug seals unused conduit openings in electrical enclosures, protecting against dust, rain, and sleet. It is rated NEMA 3 for outdoor use and includes an oil-resistant gasket for a weathertight seal. Common applications include industrial control panels, junction boxes, and outdoor electrical equipment.

What are the specifications of the HAMMOND HP300 hole plug?

The HAMMOND HP300 is a steel hole plug with a gray powder-coated finish. It fits conduit holes up to 3.62 inches in diameter and is rated NEMA 3. The plug includes an oil-resistant gasket and is designed for conduit hole types. The manufacturer part number is HP300.

Where to buy the HAMMOND HP300 hole plug worldwide?

3G Electric supplies the HAMMOND HP300 hole plug worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this product to any country.

How to install the HAMMOND HP300 hole plug?

To install the HAMMOND HP300, first clean the conduit hole surface. Insert the plug into the hole until the gasket seats firmly against the enclosure. Tighten the retaining screw or nut (if applicable) to secure the plug. Ensure the gasket compresses evenly for a weathertight seal. No special tools are required.

Used in

Common applications for HAMMOND
Food processing — Steel washdown enclosures (e.g., HW30308GYHK) for washdown environments requiring NEMA 4/4X protection.
Chemical plants — 304 stainless steel enclosures (e.g., EN4SD202010SS) for corrosion resistance in chemical storage areas.
Water treatment — Aluminum enclosures (e.g., 1418N4ALE6) for outdoor control panels in humid or corrosive atmospheres.
Oil and gas — Sloped top stainless steel enclosures (e.g., HWST30308SS) for outdoor instrumentation in rain and dust conditions.
General industrial automation — Steel dust-tight enclosures (e.g., 1418MR8) for housing PLCs and relays in factory floors.
Outdoor telecom — Nonmetallic polyester enclosures (e.g., 1590ZGRP243) for junction boxes in corrosive coastal environments.

HAMMOND Products

3G Electric supplies HAMMOND electrical enclosure hole seals. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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