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HUBBELL Mechanical Interlock: 240V AC, Three Phase, 100 A, 3 Pole - Watertight Interlocks
HUBBELLWatertight Interlocks

HUBBELL Mechanical Interlock: 240V AC, Three Phase, 100 A, 3 Pole

The HUBBELL Mechanical Interlock (MPN HBL4100MI9W) is a watertight interlock rated for 240V AC, three-phase, 100 A, with 3 poles and 4 wires. This unit does not feature reverse service capability.

SKU 3G-OTH-14494

Brand
HUBBELL
Item
Mechanical Interlock: 240V AC, Three Phase, 100 A, 3 Pole
Category
Watertight Interlocks
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Technical Specifications

HUBBELL
Manufacturer Part Number
HBL4100MI9W
Reverse Service
No
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HUBBELL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HUBBELL Mechanical Interlock (MPN HBL4100MI9W) is a watertight interlock rated for 240V AC, three-phase, 100 A, with 3 poles and 4 wires. This unit does not feature reverse service capability.

Frequently Asked Questions

What is the HUBBELL Mechanical Interlock HBL4100MI9W used for?

The HUBBELL Mechanical Interlock HBL4100MI9W is a watertight interlock used to safely control power in industrial environments. It prevents plug insertion or removal when the switch is in the ON position, ensuring arc-free connections. Typical applications include portable generators, welders, and heavy machinery requiring 240V AC, three-phase, 100 A power.

What are the specifications of the HUBBELL Mechanical Interlock HBL4100MI9W?

The HUBBELL Mechanical Interlock HBL4100MI9W is rated for 240V AC, three-phase, 100 A, with 3 poles and 4 wires. It is a watertight interlock without reverse service capability. The manufacturer part number is HBL4100MI9W, and it is designed for safe, weather-resistant electrical connections in industrial settings.

Where to buy the HUBBELL Mechanical Interlock HBL4100MI9W worldwide?

You can source the HUBBELL Mechanical Interlock HBL4100MI9W through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine HUBBELL components for your industrial power needs.

How to install the HUBBELL Mechanical Interlock HBL4100MI9W?

Installation of the HUBBELL Mechanical Interlock HBL4100MI9W should follow the manufacturer's instructions and local electrical codes. Ensure power is off before wiring. Connect the 3-pole, 4-wire configuration to a matching 240V AC, three-phase supply. The interlock mechanism must be aligned so the plug cannot be inserted or removed when the switch is ON. Use a qualified electrician for safe installation.

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 interlocks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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