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SQUARE D Undervoltage Release: Undervoltage Release - Square D Circuit Breaker Undervoltage Release
SQUARE DSquare D Circuit Breaker Undervoltage Release

SQUARE D Undervoltage Release: Undervoltage Release

The SQUARE D Undervoltage Release (MPN LV426803) is a circuit breaker accessory designed for use with PowerPact(R) B Circuit Breakers. It operates at 110 to 130V AC/125V DC and has no poles. This undervoltage release…

SKU 3G-OTH-19462

Also listed as: LV 426803 · LV-426803

Brand
SQUARE D
Item
Undervoltage Release: Undervoltage Release
Category
Square D Circuit Breaker Undervoltage Release
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SQUARE D
Manufacturer Part Number
LV426803
Type
PowerPact(R) B Circuit Breakers
Voltage
110 to 130V AC/125V DC
For Use With
PowerPact(R) B Circuit Breakers
Accessory Type
Undervoltage Release
Number of Poles
None

Technical Documents

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

Product Description

The SQUARE D Undervoltage Release (MPN LV426803) is a circuit breaker accessory designed for use with PowerPact(R) B Circuit Breakers. It operates at 110 to 130V AC/125V DC and has no poles. This undervoltage release provides a means to trip the breaker when voltage drops below a specified level.

Frequently Asked Questions

What is the SQUARE D Undervoltage Release LV426803 used for?

The SQUARE D Undervoltage Release LV426803 is a circuit breaker accessory that automatically trips a PowerPact B circuit breaker when the supply voltage drops below a set threshold. It protects sensitive equipment from damage caused by undervoltage conditions in industrial and commercial electrical systems.

What are the specifications of the SQUARE D LV426803 undervoltage release?

The SQUARE D LV426803 undervoltage release is designed for use with PowerPact B circuit breakers. It operates at 110 to 130V AC or 125V DC and has no poles. The accessory type is undervoltage release, and the manufacturer part number is LV426803.

Where to buy the SQUARE D LV426803 undervoltage release worldwide?

You can source the SQUARE D LV426803 undervoltage release 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.

How to install the SQUARE D undervoltage release on a PowerPact B breaker?

Install the SQUARE D undervoltage release by mounting it onto the PowerPact B circuit breaker per the manufacturer's instructions. Ensure the supply voltage matches the 110 to 130V AC or 125V DC rating. Always de-energize the panel before installation and follow standard electrical safety practices.

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 undervoltage release. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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