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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 RFK06) is a UL Fuse Class R kit rated for 600V AC, designed for disconnect switches sized 30 to 60 A. It enables Class R fuse rejection in compatible SQUARE D disconnects…

SKU 3G-OTH-24852

Also listed as: RFK 06 · RFK-06

Brand
SQUARE D
Item
Fuse Rejection Kit: UL Fuse Class R, 600V AC
Category
Fuse Kits
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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
RFK06
Type
For Disconnect Switch Size 30 to 60 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 RFK06) is a UL Fuse Class R kit rated for 600V AC, designed for disconnect switches sized 30 to 60 A. It enables Class R fuse rejection in compatible SQUARE D disconnects, ensuring proper fuse type and rating are used for overcurrent protection.

Frequently Asked Questions

What is the SQUARE D Fuse Rejection Kit RFK06 used for?

The SQUARE D Fuse Rejection Kit RFK06 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 30 to 60 A, enhancing safety in industrial power distribution.

What are the specifications of the SQUARE D RFK06 fuse rejection kit?

The SQUARE D RFK06 is a UL Class R fuse rejection kit rated for 600V AC. It is compatible with disconnect switches sized 30 to 60 A. The manufacturer part number is RFK06, and it is produced by SQUARE D, a brand known for electrical distribution components.

Where to buy the SQUARE D RFK06 fuse rejection kit worldwide?

The SQUARE D RFK06 fuse rejection kit is available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring compliance with international shipping requirements for industrial electrical components.

How to install the SQUARE D RFK06 fuse rejection kit?

To install the SQUARE D RFK06, first de-energize the disconnect switch. Remove the existing fuse holders and mount the rejection kit per the manufacturer's instructions, ensuring proper alignment with Class R fuses. Always follow lockout/tagout procedures and consult a qualified electrician for safe installation.

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
LITTELFUSE Fuse Block: Open Block Design, 1 Pole, 600 V AC, Box Lug, Indicating (MPN LFR60030-1CID)
LITTELFUSE
LITTELFUSE Fuse Block: Open Block Design, 1 Pole, 600 V AC, Box Lug, Indicating (MPN LFR60030-1CID)
LITTELFUSE Fuse Block: Open Block Design, 1 Pole, 600 V AC, Box Lug, Indicating (MPN LFR60060-1CID)
LITTELFUSE
LITTELFUSE Fuse Block: Open Block Design, 1 Pole, 600 V AC, Box Lug, Indicating (MPN LFR60060-1CID)
LITTELFUSE Fuse Block: Open Block Design, 1 Pole, 600 V AC, Box Lug, Non-Indicating (MPN LFR606001C)
LITTELFUSE
LITTELFUSE Fuse Block: Open Block Design, 1 Pole, 600 V AC, Box Lug, Non-Indicating (MPN LFR606001C)
LITTELFUSE Fuse Block: Open Block Design, 1 Pole, 250 V AC, Box Lug, Non-Indicating (MPN LFR256001C)
LITTELFUSE
LITTELFUSE Fuse Block: Open Block Design, 1 Pole, 250 V AC, Box Lug, Non-Indicating (MPN LFR256001C)
LITTELFUSE Fuse Block: Open Block Design, 2 Pole, 600 V AC, Box Lug, Indicating (MPN LFR60060-2CID)
LITTELFUSE
LITTELFUSE Fuse Block: Open Block Design, 2 Pole, 600 V AC, Box Lug, Indicating (MPN LFR60060-2CID)
LITTELFUSE Fuse Block: Open Block Design, 1 Pole, 600 V AC, Box Lug, Non-Indicating (MPN LFR604001C)
LITTELFUSE
LITTELFUSE Fuse Block: Open Block Design, 1 Pole, 600 V AC, Box Lug, Non-Indicating (MPN LFR604001C)

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