Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

HUBBELL Pin and Sleeve Inlet: Blue, 250V AC, Three Phase, 20 A, 3 Pole, 4 Wire - Watertight Inlets
HUBBELLWatertight Inlets

HUBBELL Pin and Sleeve Inlet: Blue, 250V AC, Three Phase, 20 A, 3 Pole, 4 Wire

The HUBBELL Pin and Sleeve Inlet (Blue) is a watertight inlet rated 250V AC, 20 A, three-phase, 3 pole, 4 wire with IEC grounding (MPN HBL420B9W). 3G Electric interprets demand for this HUBBELL device across 14…

SKU 3G-OTH-14212

Brand
HUBBELL
Item
Pin and Sleeve Inlet: Blue, 250V AC, Three Phase, 20 A, 3 Pole, 4 Wire
Category
Watertight Inlets
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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

HUBBELL
Manufacturer Part Number
HBL420B9W
Type
Three Phase, 20 A, IEC Grounding
AC
250V
Pole
3
Wire
4

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The HUBBELL Pin and Sleeve Inlet (Blue) is a watertight inlet rated 250V AC, 20 A, three-phase, 3 pole, 4 wire with IEC grounding (MPN HBL420B9W). 3G Electric interprets demand for this HUBBELL device across 14 industrial departments — and we supply far more than is listed — with specialist depth in electrical components as an authorised distributor.

Frequently Asked Questions

What is a HUBBELL pin and sleeve inlet used for?

A HUBBELL pin and sleeve inlet provides a watertight, lockable power connection for industrial equipment in harsh environments. It is commonly used for portable generators, welders, and heavy machinery requiring a reliable 250V AC, three-phase, 20 A supply.

What are the specifications of the HUBBELL HBL420B9W inlet?

The HUBBELL HBL420B9W is a blue, watertight pin and sleeve inlet rated for 250V AC, 20 A, three-phase, 3 pole, 4 wire with IEC grounding. It is designed for safe, durable connections in demanding industrial applications.

Where to buy a HUBBELL pin and sleeve inlet worldwide?

3G Electric supplies the HUBBELL HBL420B9W pin and sleeve inlet to customers worldwide. We handle full logistics, customs clearance, and delivery to your site, ensuring you get the correct industrial-grade inlet for your application.

How to install a HUBBELL pin and sleeve inlet?

Installation requires matching the inlet to a compatible HUBBELL connector and ensuring proper strain relief. Follow the manufacturer's wiring diagram for the 3-pole, 4-wire, 250V AC configuration. Always de-energize the circuit and use appropriate watertight seals for outdoor use.

Used in

Common applications for HUBBELL
Commercial lighting control — HUBBELL toggle switches (e.g., HBL1203STW) for 3-way switching in office corridors
Industrial maintenance — HUBBELL overhead cables (e.g., OC5MB-03) for tool balancers in assembly lines
Institutional wiring — HUBBELL rocker switches (e.g., DS115ST) for single-pole control in school classrooms
Facility upgrades — HUBBELL decorator wall plates (e.g., P262GY) for standard 2-gang outlet covers in commercial buildings
Electrical repair — HUBBELL panel terminal screws (e.g., HBLTSR) for replacing worn terminals in Series 16 devices
Modern interface — HUBBELL touch switches (e.g., WSS1277SS) for maintained 3-way control in hospitality settings

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
HUBBELL Pin and Sleeve Inlet: Blue, 250V AC, Three Phase, 30 A, 3 Pole, 4 Wire, IEC Grounding (MPN HBL430B9W)
HUBBELL
HUBBELL Pin and Sleeve Inlet: Blue, 250V AC, Three Phase, 30 A, 3 Pole, 4 Wire, IEC Grounding (MPN HBL430B9W)
HUBBELL Pin and Sleeve Inlet: Blue, 250V AC, Single Phase, 20 A, 2 Pole, 3 Wire, IEC Grounding (MPN HBL320B6W)
HUBBELL
HUBBELL Pin and Sleeve Inlet: Blue, 250V AC, Single Phase, 20 A, 2 Pole, 3 Wire, IEC Grounding (MPN HBL320B6W)
HUBBELL Pin and Sleeve Inlet: Blue, 250V AC, Single Phase, 100 A, 2 Pole, 3 Wire, IEC Grounding (MPN HBL3100B6W)
HUBBELL
HUBBELL Pin and Sleeve Inlet: Blue, 250V AC, Single Phase, 100 A, 2 Pole, 3 Wire, IEC Grounding (MPN HBL3100B6W)
HUBBELL Pin and Sleeve Inlet: Blue, 250V AC, Single Phase, 30 A, 2 Pole, 3 Wire, IEC Grounding (MPN HBL330B6W)
HUBBELL
HUBBELL Pin and Sleeve Inlet: Blue, 250V AC, Single Phase, 30 A, 2 Pole, 3 Wire, IEC Grounding (MPN HBL330B6W)
HUBBELL Pin and Sleeve Inlet: Black, 600V AC, Three Phase, 20 A, 3 Pole, 4 Wire, IEC Grounding (MPN HBL420B5W)
HUBBELL
HUBBELL Pin and Sleeve Inlet: Black, 600V AC, Three Phase, 20 A, 3 Pole, 4 Wire, IEC Grounding (MPN HBL420B5W)
HUBBELL Pin and Sleeve Inlet: Blue, 250V AC, Three Phase, 100 A, 3 Pole, 4 Wire, IEC Grounding (MPN HBL4100B9W)
HUBBELL
HUBBELL Pin and Sleeve Inlet: Blue, 250V AC, Three Phase, 100 A, 3 Pole, 4 Wire, IEC Grounding (MPN HBL4100B9W)

More from HUBBELL

View all HUBBELL parts
Watertight pin and sleeve inlet rated for 120/208V AC, three-phase, 100 A, with 4 poles and 5 wires, featuring IEC grounding. Designed for industrial power distribution in environments requiring a weather-resistant connection for three-phase equipment
HUBBELL
Watertight pin and sleeve inlet rated for 120/208V AC, three-phase, 100 A, with 4 poles and 5 wires, featuring IEC grounding. Designed for industrial power distribution in environments requiring a weather-resistant connection for three-phase equipment
Watertight pin and sleeve inlet rated for 120/208V AC, three-phase, 20 A, with 4 poles and 5 wires, featuring IEC grounding. Suitable for industrial power connections requiring a weather-resistant electrical supply in manufacturing, data centers, and outdoor equipment
HUBBELL
Watertight pin and sleeve inlet rated for 120/208V AC, three-phase, 20 A, with 4 poles and 5 wires, featuring IEC grounding. Suitable for industrial power connections requiring a weather-resistant electrical supply in manufacturing, data centers, and outdoor equipment
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
Watertight pin and sleeve inlet rated 347/600V AC, three-phase, 30 A, with 4 poles and 5 wires, featuring IEC grounding. Suitable for industrial power connections in environments requiring weather-resistant electrical inlets
HUBBELL
Watertight pin and sleeve inlet rated 347/600V AC, three-phase, 30 A, with 4 poles and 5 wires, featuring IEC grounding. Suitable for industrial power connections in environments requiring weather-resistant electrical inlets
This watertight pin and sleeve inlet is rated for 125/250V AC, single phase, 100 A, with 3 poles and 4 wires. It is used for industrial power distribution in environments requiring a weather-resistant connection, such as manufacturing plants, construction sites, and outdoor installations
HUBBELL
This watertight pin and sleeve inlet is rated for 125/250V AC, single phase, 100 A, with 3 poles and 4 wires. It is used for industrial power distribution in environments requiring a weather-resistant connection, such as manufacturing plants, construction sites, and outdoor installations
Watertight pin and sleeve inlet rated 125/250V AC, single phase, 30 A, with 3 poles and 4 wires, featuring IEC grounding. Orange housing for visibility. Suitable for industrial power distribution in environments requiring weather-resistant connections
HUBBELL
Watertight pin and sleeve inlet rated 125/250V AC, single phase, 30 A, with 3 poles and 4 wires, featuring IEC grounding. Orange housing for visibility. Suitable for industrial power distribution in environments requiring weather-resistant connections
Watertight pin and sleeve inlet rated 250V AC, single phase, 60 A, 2 poles, 3 wires with IEC grounding. Suitable for industrial power distribution applications requiring a weather-resistant connection
HUBBELL
Watertight pin and sleeve inlet rated 250V AC, single phase, 60 A, 2 poles, 3 wires with IEC grounding. Suitable for industrial power distribution applications requiring a weather-resistant connection
Watertight pin and sleeve inlet rated 125V AC, 100 A, single phase, 2 pole, 3 wire with IEC grounding. Suitable for industrial power connections in environments requiring weather-resistant inlets
HUBBELL
Watertight pin and sleeve inlet rated 125V AC, 100 A, single phase, 2 pole, 3 wire with IEC grounding. Suitable for industrial power connections in environments requiring weather-resistant inlets