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

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

The LEGRAND Mechanical Interlock (MPN PS4100MIR9W) is a watertight interlock rated for 240V AC, three-phase, 100 A, with 3 poles and 4 wires. This non-reverse-service unit provides a mechanical interlocking function…

SKU 3G-OTH-14510

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

LEGRAND
Manufacturer Part Number
PS4100MIR9W
Reverse Service
No
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LEGRAND Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LEGRAND Mechanical Interlock (MPN PS4100MIR9W) is a watertight interlock rated for 240V AC, three-phase, 100 A, with 3 poles and 4 wires. This non-reverse-service unit provides a mechanical interlocking function for industrial power connections.

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 a LEGRAND mechanical interlock used for?

A LEGRAND mechanical interlock prevents simultaneous connection of two power sources to the same load, ensuring safe changeover in industrial power distribution. It is commonly used in generator transfer, portable power panels, and temporary power installations where watertight protection is required.

What are the specifications of the LEGRAND PS4100MIR9W interlock?

The LEGRAND PS4100MIR9W is a watertight mechanical interlock rated for 240V AC, three-phase, 100 A, with 3 poles and 4 wires. It is a non-reverse-service unit, meaning it locks in one position only. The MPN is PS4100MIR9W.

Where to buy a LEGRAND PS4100MIR9W worldwide?

3G Electric supplies the LEGRAND PS4100MIR9W mechanical interlock to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this watertight interlock.

How to install a LEGRAND mechanical interlock?

Installation of a LEGRAND mechanical interlock requires mounting in a suitable enclosure, wiring per local electrical codes, and verifying the interlock mechanism prevents both sources from being engaged simultaneously. Always disconnect power before installation and consult a qualified electrician for proper setup.

Used in

Common applications for LEGRAND
Commercial office wiring — LEGRAND Series 4000 raceway entrance ends for cable routing in exposed surface systems
Industrial control panels — LEGRAND 2400 series blank ends for terminating raceway runs in equipment enclosures
Educational facility power distribution — LEGRAND furniture power strips with USB for classroom desks
Healthcare facility low-profile cabling — LEGRAND 1500 series internal elbows for over-floor raceway turns
Retail display lighting — LEGRAND PN10 non-metallic raceways for adhesive-mounted cable management on walls
Data center cable segregation — LEGRAND 2400D divided device boxes for separating power and data in multichannel raceways

LEGRAND Products

3G Electric supplies LEGRAND 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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