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SQUARE D Fuse Rejection Kit: UL Fuse Class R, 600V AC - Fuse Kits
SQUARE DFuse Kits

SQUARE D Fuse Rejection Kit: UL Fuse Class R, 600V AC

The SQUARE D Fuse Rejection Kit (MPN RFK03L) is a UL Fuse Class R kit rated for 600V AC, designed for use with a 30 A disconnect switch. As a genuine SQUARE D component, it enables proper fuse rejection in industrial…

SKU 3G-OTH-24834

Brand
SQUARE D
Item
Fuse Rejection Kit: UL Fuse Class R, 600V AC
Category
Fuse Kits
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Technical Specifications

SQUARE D
Manufacturer Part Number
RFK03L
Type
For Disconnect Switch Size 30 A
AC
600V

Technical Documents

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

Product Description

The SQUARE D Fuse Rejection Kit (MPN RFK03L) is a UL Fuse Class R kit rated for 600V AC, designed for use with a 30 A disconnect switch. As a genuine SQUARE D component, it enables proper fuse rejection in industrial electrical systems, supporting safe and code-compliant operation.

Frequently Asked Questions

What is the SQUARE D RFK03L fuse rejection kit used for?

The SQUARE D RFK03L fuse rejection kit is used to convert a disconnect switch to accept Class R fuses, preventing insertion of lower-rated fuses. It is designed for 600V AC applications and fits disconnect switches sized for 30 A, enhancing safety in industrial power distribution.

What are the specifications of the SQUARE D RFK03L fuse rejection kit?

The SQUARE D RFK03L is a UL Class R fuse rejection kit rated for 600V AC. It is designed for use with disconnect switches sized for 30 A. The manufacturer part number is RFK03L, and it is a genuine SQUARE D component for industrial electrical systems.

Where to buy the SQUARE D RFK03L fuse rejection kit worldwide?

You can source the SQUARE D RFK03L fuse rejection kit worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this SQUARE D component.

How to install the SQUARE D RFK03L fuse rejection kit?

To install the SQUARE D RFK03L fuse rejection kit, first de-energize the disconnect switch. Remove the existing fuse holders and mount the rejection kit per the manufacturer's instructions. Ensure the kit aligns with the switch's 30 A size and 600V AC rating. Always follow lockout/tagout procedures.

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

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Compatible alternatives & equivalents

Cross-referenced by specification & description
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