We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

SQUARE D Safety Switch: Non-Fusible, 30 A, Three Phase, 240V AC, Galvanized Steel - Non-Fusible Safety Switches
SQUARENon-Fusible Safety Switches

SQUARE D Safety Switch: Non-Fusible, 30 A, Three Phase, 240V AC, Galvanized Steel

The SQUARE D Safety Switch: Non-Fusible (MPN DTU321) is a 30 A, three-phase, 240V AC disconnect for indoor use, housed in galvanized steel. 3G Electric interprets your demand for this OEM part and delivers it with…

SKU 3G-OTH-129157

Also listed as: DTU 321 · DTU-321

Brand
SQUARE
Item
D Safety Switch: Non-Fusible, 30 A, Three Phase, 240V AC, Galvanized Steel
Category
Non-Fusible Safety Switches
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

SQUARE
Manufacturer Part Number
DTU321
Type
30 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 DTU321) is a 30 A, three-phase, 240V AC disconnect for indoor use, housed in galvanized steel. 3G Electric interprets your demand for this OEM part and delivers it with specialist support across 14 industrial departments, including electrical and controls.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a Square D DTU321 non-fusible safety switch used for?

The Square D DTU321 is a non-fusible safety switch used to safely disconnect power to three-phase industrial equipment operating at 240V AC. It is commonly installed in manufacturing, HVAC, and material handling systems where a visible disconnect is required for maintenance and safety compliance.

What are the specifications of the Square D DTU321 safety switch?

The Square D DTU321 is a 30 A, three-phase, non-fusible safety switch rated for 240V AC. It features a galvanized steel enclosure for indoor use. The manufacturer part number is DTU321. This switch provides a visible disconnect means for branch circuit protection in industrial control panels.

Where to buy a Square D DTU321 safety switch worldwide?

3G Electric supplies the Square D DTU321 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 a quote and lead time on this non-fusible disconnect switch.

How to install a Square D non-fusible safety switch?

Install the Square D DTU321 on a flat indoor surface using the mounting holes in the galvanized steel enclosure. Ensure the switch is wired per local electrical codes for 240V AC three-phase systems. Always verify the disconnect is in the OFF position before connecting incoming and outgoing conductors.

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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