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HUBBELL Mechanical Interlock: 240V AC, Three Phase, 30 A, 3 Pole - Watertight Interlocks
HUBBELLWatertight Interlocks

HUBBELL Mechanical Interlock: 240V AC, Three Phase, 30 A, 3 Pole

The HUBBELL Mechanical Interlock (MPN HBL430MI9W) is a watertight interlock rated for 240V AC, three-phase, 30 A, with 3 poles and 4 wires. This unit does not feature reverse service. It is designed for industrial…

SKU 3G-OTH-14075

Brand
HUBBELL
Item
Mechanical Interlock: 240V AC, Three Phase, 30 A, 3 Pole
Category
Watertight Interlocks
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Technical Specifications

HUBBELL
Manufacturer Part Number
HBL430MI9W
Reverse Service
No
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HUBBELL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HUBBELL Mechanical Interlock (MPN HBL430MI9W) is a watertight interlock rated for 240V AC, three-phase, 30 A, with 3 poles and 4 wires. This unit does not feature reverse service. It is designed for industrial applications requiring a secure, non-reversing power connection.

Frequently Asked Questions

What is the HUBBELL Mechanical Interlock HBL430MI9W used for?

The HUBBELL Mechanical Interlock HBL430MI9W is used for industrial applications requiring a secure, non-reversing power connection. It provides a watertight interlock for three-phase equipment, ensuring safe disconnection and preventing accidental engagement. Typical uses include heavy machinery, pumps, and compressors in harsh environments.

What are the specifications of the HUBBELL Mechanical Interlock HBL430MI9W?

The HUBBELL Mechanical Interlock HBL430MI9W is rated for 240V AC, three-phase, 30 A, with 3 poles and 4 wires. It is a watertight interlock with no reverse service. The manufacturer part number is HBL430MI9W. This unit is designed for non-reversing industrial power connections.

Where to buy the HUBBELL Mechanical Interlock HBL430MI9W worldwide?

You can source the HUBBELL Mechanical Interlock HBL430MI9W 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 industrial applications.

How to install the HUBBELL Mechanical Interlock HBL430MI9W?

Installation of the HUBBELL Mechanical Interlock HBL430MI9W should follow standard electrical safety practices. Ensure power is disconnected before wiring. Connect the three-phase supply to the appropriate terminals per the wiring diagram. The interlock mechanism must be properly aligned to prevent accidental engagement. Consult a qualified electrician for compliance with local codes.

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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