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SQUARE D LV426821 Prewired Undervoltage Release, 24V AC/DC - Square D Circuit Breaker Undervoltage Release
SQUARE DSquare D Circuit Breaker Undervoltage Release

SQUARE D LV426821 Prewired Undervoltage Release, 24V AC/DC

The SQUARE D Prewired Undervoltage Release (MPN LV426821) is a circuit breaker accessory designed for use with PowerPact(R) B Circuit Breakers. This prewired undervoltage release operates at 24V AC/DC and has no…

SKU 3G-OTH-19334

Also listed as: LV 426821 · LV-426821

Brand
SQUARE D
Item
LV426821 Prewired Undervoltage Release, 24V AC/DC
Part Number
LV426821
Category
Square D Circuit Breaker Undervoltage Release
Available to Order
Also known as:LV426821SQUARE D
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Technical Specifications

SQUARE D
Manufacturer Part Number
LV426821
Voltage
24V AC/DC
For Use With
PowerPact(R) B Circuit Breakers
Accessory Type
Prewired Undervoltage Release
Number of Poles
None

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

Product Description

The SQUARE D Prewired Undervoltage Release (MPN LV426821) is a circuit breaker accessory designed for use with PowerPact(R) B Circuit Breakers. This prewired undervoltage release operates at 24V AC/DC and has no poles. It provides undervoltage protection by tripping the breaker when voltage drops below a specified level.

Frequently Asked Questions

What is a SQUARE D Prewired Undervoltage Release used for?

The SQUARE D Prewired Undervoltage Release (MPN LV426821) is a circuit breaker accessory that trips a PowerPact B breaker when voltage drops below a specified level. It protects sensitive industrial equipment from damage caused by undervoltage conditions, ensuring safe operation in manufacturing and process control environments.

What are the specifications of the SQUARE D LV426821 undervoltage release?

The SQUARE D LV426821 is a prewired undervoltage release rated for 24V AC/DC. It is designed for use with PowerPact B circuit breakers and has no poles. This accessory provides undervoltage protection by automatically tripping the breaker when supply voltage falls below the threshold, safeguarding downstream equipment.

Where to buy SQUARE D LV426821 worldwide?

3G Electric supplies the SQUARE D LV426821 prewired undervoltage release 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 this genuine SQUARE D accessory to any country.

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

Install the SQUARE D LV426821 prewired undervoltage release by mounting it onto the PowerPact B circuit breaker per the manufacturer's instructions. Connect the 24V AC/DC supply wires to the release terminals. Ensure the breaker is in the OFF position and power is isolated before installation. Test the release by reducing voltage to verify trip operation.

Used in

Common applications for SQUARE D
Commercial electrical panels — QO and QOB miniature circuit breakers for overcurrent protection in load centers and panelboards.
HVACR equipment — 8910 Series Type DPA definite purpose contactors for switching compressor and fan motor loads.
Industrial power distribution — J-Frame molded case circuit breakers for main and feeder protection in switchboards.
Residential ground-fault protection — QO and QOB GFI circuit breakers for kitchens, bathrooms, and outdoor circuits.
Motor control centers — definite purpose contactors for controlling pumps, fans, and other moderate motor loads.
OEM machinery — Square D circuit breakers and contactors for integration into control panels and equipment.
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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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