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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 9421LT1) is a circuit breaker handle and operator accessory designed for use with Type MEL, MXL, MAL, and MHL circuit breakers. This 3-pole handle assembly includes an 8-inch long…

SKU 3G-OTH-19413

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
9421LT1
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
3

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

Product Description

The SQUARE D Handle Assembly (MPN 9421LT1) is a circuit breaker handle and operator accessory designed for use with Type MEL, MXL, MAL, and MHL circuit breakers. This 3-pole handle assembly includes an 8-inch long handle.

Frequently Asked Questions

What is the SQUARE D 9421LT1 handle assembly used for?

The SQUARE D 9421LT1 handle assembly is a circuit breaker accessory used to manually operate Type MEL, MXL, MAL, and MHL circuit breakers. It is designed for 2- or 3-pole configurations and includes an 8-inch long handle for safe, remote switching in industrial power distribution panels.

What are the specifications of the SQUARE D 9421LT1 handle assembly?

The SQUARE D 9421LT1 is a handle assembly accessory for Type MEL, MXL, MAL, and MHL circuit breakers. It supports 2 or 3 poles, includes an 8-inch long handle, and is manufactured by SQUARE D. The part number is 9421LT1. It is designed for use in industrial electrical panels requiring manual breaker operation.

Where to buy the SQUARE D 9421LT1 handle assembly worldwide?

3G Electric supplies the SQUARE D 9421LT1 handle assembly worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source and deliver genuine SQUARE D accessories to any international destination.

How to install the SQUARE D 9421LT1 handle assembly?

To install the SQUARE D 9421LT1 handle assembly, first ensure the circuit breaker is de-energized and locked out. Attach the handle to the breaker mechanism per the manufacturer's instructions, securing it with the provided hardware. Verify smooth operation before restoring power. Always follow SQUARE D guidelines and local electrical codes.

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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