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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 HRK1020) is a UL Fuse Class R kit rated for 600V AC, designed for use with a 200 A disconnect switch. This kit enables proper fuse rejection to prevent installation of incorrect…

SKU 3G-OTH-24911

Also listed as: HRK 1020 · HRK-1020

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
HRK1020
Type
For Disconnect Switch Size 200 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 HRK1020) is a UL Fuse Class R kit rated for 600V AC, designed for use with a 200 A disconnect switch. This kit enables proper fuse rejection to prevent installation of incorrect fuse classes, supporting safe and code-compliant electrical maintenance across industrial facilities.

Frequently Asked Questions

What is the SQUARE D HRK1020 Fuse Rejection Kit used for?

The SQUARE D HRK1020 Fuse Rejection Kit is used to convert a disconnect switch to accept Class R fuses, providing rejection of lower-class fuses for safety. It is designed for 200 A disconnect switches rated up to 600V AC, commonly applied in industrial power distribution and motor control centers.

What are the specifications of the SQUARE D HRK1020 Fuse Rejection Kit?

The SQUARE D HRK1020 Fuse Rejection Kit is rated for 600V AC and is designed for use with a 200 A disconnect switch. It accepts UL Class R fuses and provides rejection to prevent insertion of non-Class R fuses. The kit includes mounting hardware for installation.

Where to buy the SQUARE D HRK1020 Fuse Rejection Kit worldwide?

3G Electric supplies the SQUARE D HRK1020 Fuse Rejection Kit worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this genuine SQUARE D part.

How to install the SQUARE D HRK1020 Fuse Rejection Kit?

Installation of the SQUARE D HRK1020 Fuse Rejection Kit requires de-energizing the disconnect switch, removing the existing fuse holders, and mounting the kit per the manufacturer's instructions. Ensure proper alignment of the rejection pins to accept only Class R fuses. 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
SIEMENS Fuse Rejection Kit: UL Fuse Class R, 600V AC, For Disconnect Switch Size 60 A (MPN HR62)
Siemens
SIEMENS Fuse Rejection Kit: UL Fuse Class R, 600V AC, For Disconnect Switch Size 60 A (MPN HR62)
SIEMENS Fuse Kit: UL Fuse Class J, 600V AC, For Disconnect Switch Size 600 A (MPN HJ66A)
Siemens
SIEMENS Fuse Kit: UL Fuse Class J, 600V AC, For Disconnect Switch Size 600 A (MPN HJ66A)
MERSEN Fuse Block: Open Block Design, 1 Pole, 600 V AC, Box Lug, Non-Indicating (MPN 62001)
MERSEN
MERSEN Fuse Block: Open Block Design, 1 Pole, 600 V AC, Box Lug, Non-Indicating (MPN 62001)
MERSEN Fuse Block: Open Block Design, 2 Pole, 600 V AC, Box Lug, Non-Indicating (MPN 60607)
MERSEN
MERSEN Fuse Block: Open Block Design, 2 Pole, 600 V AC, Box Lug, Non-Indicating (MPN 60607)
BUSSMANN Fuse Block: Open Block Design, 1 Pole, 250 V AC, Box Lug, Non-Indicating (MPN RM25060-1CR)
BUSSMANN
BUSSMANN Fuse Block: Open Block Design, 1 Pole, 250 V AC, Box Lug, Non-Indicating (MPN RM25060-1CR)
BUSSMANN Fuse Block: Open Block Design, 1 Pole, 600 V AC, Box Lug, Non-Indicating (MPN HM60600-1CR)
BUSSMANN
BUSSMANN Fuse Block: Open Block Design, 1 Pole, 600 V AC, Box Lug, Non-Indicating (MPN HM60600-1CR)

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