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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 RFK10) is a UL Fuse Class R kit rated for 600V AC and designed for disconnect switch size 100 A. This kit enables rejection-type fuse mounting in compatible SQUARE D disconnects…

SKU 3G-OTH-24901

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
RFK10
Type
For Disconnect Switch Size 100 A
AC
600V
View Full Spec Sheet

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

Product Description

The SQUARE D Fuse Rejection Kit (MPN RFK10) is a UL Fuse Class R kit rated for 600V AC and designed for disconnect switch size 100 A. This kit enables rejection-type fuse mounting in compatible SQUARE D disconnects, ensuring proper fuse class alignment for overcurrent protection.

Frequently Asked Questions

What is the SQUARE D RFK10 fuse rejection kit used for?

The SQUARE D RFK10 fuse rejection kit is used to convert a 100 A disconnect switch to accept UL Class R fuses, preventing insertion of lower-rated fuses. It is commonly applied in industrial panelboards, motor control centers, and safety switches where overcurrent protection and fuse-class compliance are required.

What are the specifications of the SQUARE D RFK10 fuse rejection kit?

The SQUARE D RFK10 is a UL Class R fuse rejection kit rated for 600V AC. It is designed for use with a 100 A disconnect switch. The manufacturer part number is RFK10, and the brand is SQUARE D. This kit ensures proper fuse class rejection for enhanced safety in industrial electrical systems.

Where to buy the SQUARE D RFK10 fuse rejection kit worldwide?

You can source the SQUARE D RFK10 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; we provide competitive pricing and reliable supply for this SQUARE D component.

How to install the SQUARE D RFK10 fuse rejection kit?

To install the SQUARE D RFK10, first de-energize the disconnect switch. Mount the rejection kit into the fuse holder per the manufacturer's instructions, ensuring proper alignment with Class R fuses. Verify that the kit securely prevents insertion of non-rejection fuses. Always follow NFPA 70E safety practices and consult the SQUARE D installation manual.

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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