We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

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 DT323RB is a 100 A, three-phase, fusible safety switch rated for 240V AC. Constructed with galvanized steel for indoor/outdoor use, it provides a reliable disconnect solution for industrial electrical…

SKU 3G-OTH-28419

Brand
SQUARE D
Item
Safety Switch: Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel
Category
Fusible Safety Switches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
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
DT323RB
Type
100 A, Three Phase, Galvanized Steel, Indoor/Outdoor
AC
240V

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SQUARE D DT323RB is a 100 A, three-phase, fusible safety switch rated for 240V AC. Constructed with galvanized steel for indoor/outdoor use, it provides a reliable disconnect solution for industrial electrical systems. 3G Electric interprets your demand for this SQUARE D model, sources it, and supports your procurement across 14 industrial departments — with specialist depth in controls and electrical components.

Frequently Asked Questions

What is the SQUARE D DT323RB safety switch used for?

The SQUARE D DT323RB is a fusible safety switch used to safely disconnect three-phase electrical circuits up to 240V AC. It is designed for indoor/outdoor applications in industrial plants, commercial buildings, and machinery, providing overcurrent protection and a visible disconnect for maintenance safety.

What are the specifications of the SQUARE D DT323RB safety switch?

The SQUARE D DT323RB is a 100 A, three-phase, fusible safety switch rated for 240V AC. It features a galvanized steel enclosure suitable for indoor/outdoor use. The manufacturer part number is DT323RB, and it is part of the SQUARE D brand of electrical disconnects.

Where to buy the SQUARE D DT323RB safety switch worldwide?

3G Electric supplies the SQUARE D DT323RB safety switch to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this three-phase, 100 A, 240V AC fusible disconnect.

How to install the SQUARE D DT323RB safety switch?

Install the SQUARE D DT323RB safety switch by mounting the galvanized steel enclosure on a secure surface, connecting incoming and outgoing three-phase conductors to the line and load lugs, and installing the correct fuse sizes per the circuit rating. Always follow local electrical codes and de-energize the circuit before 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 fusible safety switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
SQUARE D Safety Switch: Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN DT323)
SQUARE D
SQUARE D Safety Switch: Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN DT323)
SQUARE D Safety Switch: Fusible, 100 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DT223RB)
SQUARE D
SQUARE D Safety Switch: Fusible, 100 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DT223RB)
SQUARE D Safety Switch: Fusible, 100 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN DT223)
SQUARE D
SQUARE D Safety Switch: Fusible, 100 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN DT223)
SQUARE D Safety Switch: Fusible, 30 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DT321RB)
SQUARE D
SQUARE D Safety Switch: Fusible, 30 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DT321RB)
SQUARE D Safety Switch: Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN DT363RB)
SQUARE D
SQUARE D Safety Switch: Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN DT363RB)
SQUARE D Safety Switch: Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN DT363)
SQUARE D
SQUARE D Safety Switch: Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN DT363)

More from SQUARE D

View all SQUARE D parts
SQUARE D Safety Switch: Fusible, 30 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H361AWC)
SQUARE D
SQUARE D Safety Switch: Fusible, 30 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H361AWC)
SQUARE D Safety Switch: Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H363AWA)
SQUARE D
SQUARE D Safety Switch: Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H363AWA)
SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H365)
SQUARE D
SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H365)
SQUARE D Safety Switch: Fusible, 400 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN H225)
SQUARE D
SQUARE D Safety Switch: Fusible, 400 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN H225)
SQUARE D Safety Switch: Fusible, 600 A, Single Phase, 600V AC, Galvanized Steel, Indoor (MPN H266)
SQUARE D
SQUARE D Safety Switch: Fusible, 600 A, Single Phase, 600V AC, Galvanized Steel, Indoor (MPN H266)
SQUARE D Safety Switch: Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H362AWC)
SQUARE D
SQUARE D Safety Switch: Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H362AWC)
SQUARE D Safety Switch: Fusible, 60 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DT322RB)
SQUARE D
SQUARE D Safety Switch: Fusible, 60 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DT322RB)
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H326NR)
SQUARE D
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H326NR)