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HUBBELL HBL420MI5W Watertight Interlock - Watertight Interlocks
HUBBELLWatertight Interlocks

HUBBELL HBL420MI5W Watertight Interlock

The HUBBELL Mechanical Interlock (MPN HBL420MI5W) is a watertight interlock rated for 600V AC, three-phase, 20 A, with 3 poles and 4 wires. This non-reverse-service device is designed for industrial environments…

SKU 3G-OTH-14058

Brand
HUBBELL
Item
HBL420MI5W Watertight Interlock
Category
Watertight Interlocks
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

HUBBELL
Manufacturer Part Number
HBL420MI5W
Reverse Service
No

Technical Documents

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

Product Description

The HUBBELL Mechanical Interlock (MPN HBL420MI5W) is a watertight interlock rated for 600V AC, three-phase, 20 A, with 3 poles and 4 wires. This non-reverse-service device is designed for industrial environments requiring secure electrical disconnection.

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 used for?

The HUBBELL Mechanical Interlock (HBL420MI5W) is used in industrial environments to provide secure electrical disconnection. It is a watertight interlock rated for 600V AC, three-phase, 20 A, with 3 poles and 4 wires, ensuring safe power isolation in wet or harsh conditions.

What are the specifications of the HUBBELL Mechanical Interlock?

The HUBBELL Mechanical Interlock (MPN HBL420MI5W) is rated for 600V AC, three-phase, 20 A, with 3 poles and 4 wires. It is a watertight, non-reverse-service device designed for industrial applications requiring reliable electrical disconnection.

Where to buy the HUBBELL Mechanical Interlock worldwide?

You can source the HUBBELL Mechanical Interlock (HBL420MI5W) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring your order arrives efficiently.

How to install the HUBBELL Mechanical Interlock?

Install the HUBBELL Mechanical Interlock by mounting it securely in a dry location, connecting the 3-pole, 4-wire configuration per local electrical codes. Ensure the interlock mechanism engages properly before energizing the 600V AC, three-phase circuit. Always follow manufacturer guidelines and use qualified personnel.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
HUBBELL Mechanical Interlock: 480V AC, Three Phase, 20 A, 3 Pole, 4 Wire (MPN HBL420MI7W)
HUBBELL
HUBBELL Mechanical Interlock: 480V AC, Three Phase, 20 A, 3 Pole, 4 Wire (MPN HBL420MI7W)
Watertight interlock for industrial power applications requiring a secure, interlocked connection. Rated 240V AC, three-phase, 20 A, with 3 poles and 4 wires. Non-reverse-service device prevents plug insertion or removal while circuit is live
HUBBELL
Watertight interlock for industrial power applications requiring a secure, interlocked connection. Rated 240V AC, three-phase, 20 A, with 3 poles and 4 wires. Non-reverse-service device prevents plug insertion or removal while circuit is live
Watertight mechanical interlock for single or three-phase circuits. Rated 30 A, 3 pole, 4 wire, 600V AC or 250V DC. Non-reverse service. Suitable for industrial environments requiring enclosed disconnect switching
HUBBELL
Watertight mechanical interlock for single or three-phase circuits. Rated 30 A, 3 pole, 4 wire, 600V AC or 250V DC. Non-reverse service. Suitable for industrial environments requiring enclosed disconnect switching
HUBBELL Mechanical Interlock: 600V AC, Three Phase, 60 A, 3 Pole, 4 Wire (MPN HBL460MI5W)
HUBBELL
HUBBELL Mechanical Interlock: 600V AC, Three Phase, 60 A, 3 Pole, 4 Wire (MPN HBL460MI5W)
HUBBELL Mechanical Interlock: 600V AC, Three Phase, 100 A, 3 Pole, 4 Wire (MPN HBL4100MI5W)
HUBBELL
HUBBELL Mechanical Interlock: 600V AC, Three Phase, 100 A, 3 Pole, 4 Wire (MPN HBL4100MI5W)
HUBBELL Mechanical Interlock: 480V AC, Three Phase, 60 A, 3 Pole, 4 Wire (MPN HBL460MI7W)
HUBBELL
HUBBELL Mechanical Interlock: 480V AC, Three Phase, 60 A, 3 Pole, 4 Wire (MPN HBL460MI7W)

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Watertight interlock for 120/208V AC three-phase systems, rated 60A with 4-pole, 5-wire configuration. Non-reverse service type. Suitable for industrial environments requiring secure electrical connections in wet or harsh conditions
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Watertight interlock for 120/208V AC three-phase systems, rated 60A with 4-pole, 5-wire configuration. Non-reverse service type. Suitable for industrial environments requiring secure electrical connections in wet or harsh conditions
Watertight interlock for three-phase, 347/600V AC, 30 A, 4-pole, 5-wire applications. Prevents plug insertion or removal when switch is in the ON position. Suitable for industrial environments requiring safe power control. No reverse service capability
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This HUBBELL watertight interlock provides mechanical interlocking for electrical connections in industrial environments. Rated for 480V AC, three-phase, 30 A, with 3 poles and 4 wires, it is a non-reverse-service device. Typical applications include manufacturing plants, processing facilities, and heavy machinery where reliable power disconnection is required
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This HUBBELL watertight interlock provides mechanical interlocking for electrical connections in industrial environments. Rated for 480V AC, three-phase, 30 A, with 3 poles and 4 wires, it is a non-reverse-service device. Typical applications include manufacturing plants, processing facilities, and heavy machinery where reliable power disconnection is required
Watertight interlock rated 120/240V AC, 30A, single phase, 3-pole 4-wire. Designed for non-reverse service applications to safely connect and disconnect portable generators or other power sources, preventing simultaneous connection of two sources
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Watertight interlock rated 240V AC, three-phase, 30 A, with 3 poles and 4 wires. No reverse service. Suitable for industrial power connections requiring a secure, non-reversing interlock for equipment such as pumps, compressors, and machinery in wet or harsh environments
Watertight interlock rated 600V AC, three-phase, 30 A, with 3 poles and 4 wires. No reverse service. Designed for industrial environments requiring a secure, non-reversing electrical connection in wet or harsh conditions
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Watertight interlock rated 600V AC, three-phase, 30 A, with 3 poles and 4 wires. No reverse service. Designed for industrial environments requiring a secure, non-reversing electrical connection in wet or harsh conditions
Watertight interlock rated 120/240V AC, single phase, 20 A, 3-pole, 4-wire. No reverse service. Used to safely connect and disconnect portable generators or temporary power sources, preventing simultaneous connection of utility and generator power
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Watertight interlock rated 120/240V AC, single phase, 20 A, 3-pole, 4-wire. No reverse service. Used to safely connect and disconnect portable generators or temporary power sources, preventing simultaneous connection of utility and generator power
Watertight mechanical interlock for non-reverse service applications. Rated 60 A, 347/600V AC, three-phase, 4-pole, 5-wire configuration. Provides secure power isolation for industrial electrical equipment
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Watertight mechanical interlock for non-reverse service applications. Rated 60 A, 347/600V AC, three-phase, 4-pole, 5-wire configuration. Provides secure power isolation for industrial electrical equipment