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SQUARE D Handle Assembly: Handle Assembly, Type MEL, MXL, MAL, and MHL Circuit Breakers - Square D Circuit Breaker Handles & Operators
SQUARE DSquare D Circuit Breaker Handles & Operators

SQUARE D Handle Assembly: Handle Assembly, Type MEL, MXL, MAL, and MHL Circuit Breakers

The SQUARE D Handle Assembly (MPN 9421LT4) is a circuit breaker handle assembly accessory designed for use with Type MEL, MXL, MAL, and MHL circuit breakers. This 2-pole unit includes an 8-inch long handle for manual…

SKU 3G-OTH-19402

Brand
SQUARE D
Item
Handle Assembly: Handle Assembly, Type MEL, MXL, MAL, and MHL Circuit Breakers
Category
Square D Circuit Breaker Handles & Operators
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SQUARE D
Manufacturer Part Number
9421LT4
Type
Type MEL, MXL, MAL, and MHL Circuit Breakers
Poles
2/3
Includes
8 in Long Handle
For Use With
Type MEL, MXL, MAL, and MHL Circuit Breakers
Accessory Type
Handle Assembly
Number of Poles
2

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

Product Description

The SQUARE D Handle Assembly (MPN 9421LT4) is a circuit breaker handle assembly accessory designed for use with Type MEL, MXL, MAL, and MHL circuit breakers. This 2-pole unit includes an 8-inch long handle for manual operation.

Frequently Asked Questions

What is the SQUARE D 9421LT4 handle assembly used for?

The SQUARE D 9421LT4 handle assembly is used for manual operation of Type MEL, MXL, MAL, and MHL circuit breakers. It includes an 8-inch long handle and is designed for 2-pole configurations, providing a reliable interface for switching and maintenance in industrial electrical panels.

What are the specifications of the SQUARE D 9421LT4 handle assembly?

The SQUARE D 9421LT4 handle assembly is rated for 2/3 poles and includes an 8-inch long handle. It is compatible with Type MEL, MXL, MAL, and MHL circuit breakers. The accessory type is handle assembly, and the manufacturer part number is 9421LT4.

Where to buy the SQUARE D 9421LT4 handle assembly worldwide?

3G Electric supplies the SQUARE D 9421LT4 handle assembly worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this genuine SQUARE D accessory.

How to install the SQUARE D 9421LT4 handle assembly?

Installation of the SQUARE D 9421LT4 handle assembly should follow the manufacturer's instructions for Type MEL, MXL, MAL, and MHL circuit breakers. Ensure the breaker is de-energized, attach the 8-inch handle securely to the mechanism, and verify smooth manual operation before restoring power.

Used in

Common applications for SQUARE D
Commercial building electrical panels — Square D QO series plug-in circuit breakers for branch circuit protection
Industrial motor control centers — Square D QOB series bolt-on breakers in NQOD panelboards
Heating equipment installations — Square D QOU series unit-mount breakers for overcurrent protection
Outdoor electrical distribution — Square D L-Frame enclosures housing LAL/LHL breakers for 400 A service
Indoor facility power distribution — Square D Q-Frame enclosures with QBL/QDL breakers for 225 A circuits
Retrofit and replacement in existing Square D load centers — QO series breakers for 120/240V AC systems

SQUARE D Products

3G Electric supplies SQUARE D square d circuit breaker handles & operators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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