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

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

The SQUARE D Safety Switch: Non-Fusible (MPN DU323) is a 100 A, three-phase, 240V AC non-fusible safety switch constructed from galvanized steel for indoor use. 3G Electric interprets your demand for this SQUARE D…

SKU 3G-OTH-129133

Also listed as: DU 323 · DU-323

Brand
SQUARE
Item
D Safety Switch: Non-Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel
Category
Non-Fusible Safety Switches
Available to Order
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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
Manufacturer Part Number
DU323
Type
100 A, Three Phase, Galvanized Steel, Indoor
AC
240V

Technical Documents

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

Product Description

The SQUARE D Safety Switch: Non-Fusible (MPN DU323) is a 100 A, three-phase, 240V AC non-fusible safety switch constructed from galvanized steel for indoor use. 3G Electric interprets your demand for this SQUARE D switch and delivers it with specialist support across 14 industrial departments, including electrical and controls.

Frequently Asked Questions

What is the SQUARE D DU323 safety switch used for?

The SQUARE D DU323 is a non-fusible safety switch used to isolate electrical circuits in industrial and commercial applications. It provides a visible disconnect for three-phase equipment operating at 240V AC, ensuring safe maintenance and emergency shutdown in manufacturing plants, HVAC systems, and machinery.

What are the specifications of the SQUARE D DU323 safety switch?

The SQUARE D DU323 is a non-fusible safety switch rated for 100 A, three-phase, 240V AC. It features a galvanized steel enclosure for indoor use. The manufacturer part number is DU323, and it is designed for reliable circuit isolation in industrial environments.

Where to buy the SQUARE D DU323 safety switch worldwide?

You can source the SQUARE D DU323 safety switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this non-fusible safety switch.

How to install the SQUARE D DU323 safety switch?

Install the SQUARE D DU323 safety switch by mounting it on a flat indoor surface using the provided knockouts. Ensure the supply is de-energized, connect three-phase conductors to the line-side lugs, and load-side lugs to the equipment. Torque connections per the label and verify proper grounding before energizing.

Used in

Common applications for SQUARE
Industrial power distribution — Square D HU362AWC non-fusible safety switch for disconnecting three-phase loads up to 60 A.
Busway branch circuits — Square D PQ4203G fusible bus plug for overcurrent protection in I-Line busway systems.
Panelboard surge protection — Square D HL4IMA24C SPD for transient voltage suppression in 277/480V AC wye systems.
Power distribution in control panels — Square D 9080LBA263106 open distribution block for splitting 400 kcmil conductors.
Machine control stations — Square D 9001BG303 push-button station for open/close/stop operations in industrial machinery.
Motor starting and protection — Square D 8536SBG2V02H30S NEMA starter for non-reversing three-phase motor control up to 18 A.

SQUARE Products

3G Electric supplies SQUARE non-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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SQUARE D Safety Switch: Non-Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DU323RB)
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SQUARE D Safety Switch: Non-Fusible, 30 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DU221RB)

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