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HUBBELL HBL520B7W Watertight Pin and Sleeve Inlet - Watertight Inlets
HUBBELLWatertight Inlets

HUBBELL HBL520B7W Watertight Pin and Sleeve Inlet

The HUBBELL Pin and Sleeve Inlet (Red) is a watertight inlet rated for 277/480V AC, three-phase, 20 A, with 4 poles and 5 wires, featuring IEC grounding (MPN HBL520B7W). 3G Electric interprets your demand for this…

SKU 3G-OTH-14236

Brand
HUBBELL
Item
HBL520B7W Watertight Pin and Sleeve Inlet
Part Number
HBL520B7W
Category
Watertight Inlets
Available to Order
Also known as:HBL520B7WHUBBELL
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

HUBBELL
Manufacturer Part Number
HBL520B7W
Type
Three Phase, 20 A, IEC Grounding
AC
277/480V
Pole
4
Wire
5

Technical Documents

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

Product Description

The HUBBELL Pin and Sleeve Inlet (Red) is a watertight inlet rated for 277/480V AC, three-phase, 20 A, with 4 poles and 5 wires, featuring IEC grounding (MPN HBL520B7W). 3G Electric interprets your demand for this specific HUBBELL component and delivers it with the accountability of a specialist distributor across 14 industrial departments — and far more — with trusted depth in electrical, power transmission, and controls.

Frequently Asked Questions

What is the HUBBELL HBL520B7W pin and sleeve inlet used for?

The HUBBELL HBL520B7W is a watertight pin and sleeve inlet designed for industrial power distribution in harsh environments. It provides a secure, IEC-grounding connection for three-phase equipment requiring 277/480V AC at 20 A, commonly used in manufacturing plants, data centers, and outdoor installations.

What are the specifications of the HUBBELL HBL520B7W?

The HUBBELL HBL520B7W is a red, watertight pin and sleeve inlet rated for 277/480V AC, three-phase, 20 A, with 4 poles and 5 wires. It uses IEC grounding and is part of HUBBELL's industrial-grade lineup, ensuring reliable performance in demanding conditions.

Where to buy the HUBBELL HBL520B7W worldwide?

3G Electric supplies the HUBBELL HBL520B7W worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this watertight inlet to any international location.

How to install the HUBBELL HBL520B7W pin and sleeve inlet?

Install the HUBBELL HBL520B7W by mounting it in a dry location, connecting the 5-wire, 4-pole circuit per local codes, and ensuring the IEC grounding pin is properly bonded. Use a compatible HUBBELL plug and tighten all terminals to manufacturer torque specs. Always de-energize before installation.

Used in

Common applications for HUBBELL
Industrial power distribution — HBL20418 locking inlet for 250V DC/600V AC, 30A connections
Portable equipment connections — HBL5266C straight blade plug for 125V AC, 15A cords
Watertight industrial environments — HBLS330R6W pin and sleeve receptacle for 220-240V AC, 30A
Commercial facility wiring — HBL5262 duplex receptacle for 125V AC, 15A branch circuits
HVAC and light industrial tools — HBL5662 duplex receptacle for 250V AC, 15A equipment
Temporary power distribution — HBL3433GCB locking connector for 250V AC, 30A applications
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HUBBELL Products

3G Electric supplies HUBBELL watertight inlets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Watertight pin and sleeve inlet rated for 200/346 to 240/415V AC and 220/380 to 240/415V AC, supporting single or three-phase power. Suitable for industrial power connections requiring a weather-resistant enclosure in harsh environments
HUBBELL
Watertight pin and sleeve inlet rated for 200/346 to 240/415V AC and 220/380 to 240/415V AC, supporting single or three-phase power. Suitable for industrial power connections requiring a weather-resistant enclosure in harsh environments

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