HUBBELL Pin and Sleeve Inlet: Red, 277/480V AC, Three Phase, 20 A, 4 Pole, 5 Wire
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
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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.
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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.















