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HUBBELL Mechanical Interlock: 120/240V AC, Single Phase, 100 A, 3 Pole - Watertight Interlocks
HUBBELLWatertight Interlocks

HUBBELL Mechanical Interlock: 120/240V AC, Single Phase, 100 A, 3 Pole

The HUBBELL Mechanical Interlock (MPN HBL4100MI12W) is a watertight interlock rated for 120/240V AC, single phase, 100 A, with 3 pole and 4 wire configuration. This unit does not support reverse service. It is…

SKU 3G-OTH-14598

Brand
HUBBELL
Item
Mechanical Interlock: 120/240V AC, Single Phase, 100 A, 3 Pole
Category
Watertight Interlocks
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Technical Specifications

HUBBELL
Manufacturer Part Number
HBL4100MI12W
Voltage Rating
120/240V AC
Reverse Service
No
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HUBBELL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HUBBELL Mechanical Interlock (MPN HBL4100MI12W) is a watertight interlock rated for 120/240V AC, single phase, 100 A, with 3 pole and 4 wire configuration. This unit does not support reverse service. It is designed for industrial applications requiring a durable, enclosed power disconnect.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the HUBBELL Mechanical Interlock HBL4100MI12W used for?

The HUBBELL Mechanical Interlock HBL4100MI12W is a watertight interlock used as a durable, enclosed power disconnect in industrial settings. It safely controls single-phase 120/240V AC circuits up to 100 A, making it suitable for generators, transfer switches, and heavy equipment requiring a reliable, weather-resistant connection.

What are the specifications of the HUBBELL Mechanical Interlock HBL4100MI12W?

The HUBBELL Mechanical Interlock HBL4100MI12W is rated for 120/240V AC, single phase, 100 A, with 3 pole and 4 wire configuration. It does not support reverse service and is designed as a watertight interlock for industrial power disconnect applications. The manufacturer part number is HBL4100MI12W.

Where to buy the HUBBELL Mechanical Interlock HBL4100MI12W worldwide?

You can source the HUBBELL Mechanical Interlock HBL4100MI12W through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we supply this HUBBELL watertight interlock to industrial buyers globally.

How to install the HUBBELL Mechanical Interlock HBL4100MI12W?

Install the HUBBELL Mechanical Interlock HBL4100MI12W by mounting it in a dry, accessible location and connecting the 3-pole, 4-wire circuit per local electrical codes. Ensure the interlock mechanism prevents both sources from being engaged simultaneously. Always de-energize the system before installation and consult a qualified electrician for proper wiring.

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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