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HUBBELL Mechanical Interlock: 240V AC, Three Phase, 20 A, 3 Pole - Watertight Interlocks
HUBBELLWatertight Interlocks

HUBBELL Mechanical Interlock: 240V AC, Three Phase, 20 A, 3 Pole

The HUBBELL Mechanical Interlock (MPN HBL420MI9W) is a watertight interlock rated for 240V AC, three-phase, 20 A, with 3 poles and 4 wires. This non-reverse-service device provides a secure, interlocked connection…

SKU 3G-OTH-14040

Brand
HUBBELL
Item
Mechanical Interlock: 240V AC, Three Phase, 20 A, 3 Pole
Category
Watertight Interlocks
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Technical Specifications

HUBBELL
Manufacturer Part Number
HBL420MI9W
Reverse Service
No
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HUBBELL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HUBBELL Mechanical Interlock (MPN HBL420MI9W) is a watertight interlock rated for 240V AC, three-phase, 20 A, with 3 poles and 4 wires. This non-reverse-service device provides a secure, interlocked connection for industrial power applications.

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

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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