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SQUARE D Safety Switch: Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel - Fusible Safety Switches
SQUARE DFusible Safety Switches

SQUARE D Safety Switch: Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel

The SQUARE D D323NRB is a 100 A, three-phase, fusible safety switch rated for 240V AC. Constructed with galvanized steel for indoor/outdoor use, this switch provides a reliable disconnecting means for industrial…

SKU 3G-OTH-25718

Brand
SQUARE D
Item
Safety Switch: Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel
Category
Fusible Safety Switches
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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
D323NRB
Type
100 A, Three Phase, Galvanized Steel, Indoor/Outdoor
AC
240V

Technical Documents

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

Product Description

The SQUARE D D323NRB is a 100 A, three-phase, fusible safety switch rated for 240V AC. Constructed with galvanized steel for indoor/outdoor use, this switch provides a reliable disconnecting means for industrial electrical circuits.

Frequently Asked Questions

What is the SQUARE D D323NRB safety switch used for?

The SQUARE D D323NRB is a fusible safety switch used to safely disconnect electrical power for maintenance or emergency shutdown in industrial and commercial three-phase 240V AC circuits. It is suitable for indoor/outdoor applications where a galvanized steel enclosure provides corrosion resistance.

What are the specifications of the SQUARE D D323NRB safety switch?

The SQUARE D D323NRB is a 100 A, three-phase, 240V AC fusible safety switch with a galvanized steel enclosure rated for indoor/outdoor use. It accepts Class R or Class H fuses (not included) and is designed for NEMA 3R environments. The manufacturer part number is D323NRB.

Where to buy the SQUARE D D323NRB safety switch worldwide?

3G Electric supplies the SQUARE D D323NRB safety switch worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this model globally.

How to install the SQUARE D D323NRB safety switch?

Install the SQUARE D D323NRB safety switch by mounting it on a rigid surface, connecting line-side power to the top lugs and load-side conductors to the bottom lugs, and installing the correct fuses. Always follow local electrical codes and de-energize the circuit before installation. Use a qualified electrician.

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

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