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3G Electric
SQUARE D Panelboard Main Breaker Kit, 225 A, for PowerPact H/J/Q-Frame - Square D Main Breaker Kits
SQUARE DSquare D Main Breaker Kits

SQUARE D Panelboard Main Breaker Kit, 225 A, for PowerPact H/J/Q-Frame

The Square D Panelboard Main Breaker Kit (MPN NQMB2HJ) is a 225 Amp accessory for use with Square D PowerPact H, J and Q-Frame Panelboards. It features a 150A/H frame size, is compatible with the HGL circuit breaker…

SKU 3G-OTH-722187

Brand
SQUARE D
Item
Panelboard Main Breaker Kit, 225 A, for PowerPact H/J/Q-Frame
Part Number
NQMB2HJ
Category
Square D Main Breaker Kits
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SQUARE D
Manufacturer Part Number
NQMB2HJ
Type
For Use With Square D PowerPact H, J and Q-Frame Panelboards
Amps
225
Includes
(13) Tapping Screws
Frame Size
150A/H
For Use With
Square D PowerPact H, J and Q-Frame Panelboards
Accessory Type
Panelboard Main Breaker Kit
Compatible Circuit Breaker Series
HGL

Technical Documents

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

Product Description

The Square D Panelboard Main Breaker Kit (MPN NQMB2HJ) is a 225 Amp accessory for use with Square D PowerPact H, J and Q-Frame Panelboards. It features a 150A/H frame size, is compatible with the HGL circuit breaker series, and includes (13) tapping screws.

Frequently Asked Questions

What is the Square D NQMB2HJ panelboard main breaker kit used for?

The Square D NQMB2HJ panelboard main breaker kit is used to install a 225 Amp main breaker in Square D PowerPact H, J and Q-Frame panelboards. It provides overcurrent protection and a single disconnect point for the panelboard, simplifying electrical distribution in industrial and commercial facilities.

What are the specifications of the Square D NQMB2HJ main breaker kit?

The Square D NQMB2HJ main breaker kit is rated for 225 Amps with a 150A/H frame size. It is compatible with the HGL circuit breaker series and includes (13) tapping screws. It is designed for use with Square D PowerPact H, J and Q-Frame panelboards.

Where to buy the Square D NQMB2HJ main breaker kit worldwide?

3G Electric supplies the Square D NQMB2HJ main breaker kit worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this genuine Square D accessory to your facility. Contact us for a quote and delivery timeline to your location.

How to install the Square D NQMB2HJ main breaker kit?

Installation of the Square D NQMB2HJ main breaker kit should follow the manufacturer's instructions and local electrical codes. Typically, it involves mounting the kit in the panelboard, connecting the line and load conductors, and securing it with the included (13) tapping screws. Always de-energize the panel before installation.

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

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