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SQUARE HU366DS Non-Fusible Safety Switch - Non-Fusible Safety Switches
SQUARENon-Fusible Safety Switches

SQUARE HU366DS Non-Fusible Safety Switch

The SQUARE D Safety Switch: Non-Fusible (MPN HU366DS) is a 600 A, three-phase, 600V AC non-fusible safety switch constructed from 304 Stainless Steel. As a SQUARE D product, it is designed for industrial…

SKU 3G-OTH-129219

Brand
SQUARE
Item
HU366DS Non-Fusible Safety Switch
Part Number
HU366DS
Category
Non-Fusible Safety Switches
Available to Order
Also known as:HU366DSSQUARE
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SQUARE
Manufacturer Part Number
HU366DS
Type
600 A, Three Phase
AC
600V
Stainless Steel
304

Technical Documents

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

Product Description

The SQUARE D Safety Switch: Non-Fusible (MPN HU366DS) is a 600 A, three-phase, 600V AC non-fusible safety switch constructed from 304 Stainless Steel. As a SQUARE D product, it is designed for industrial disconnection applications requiring high amperage and corrosion resistance.

Frequently Asked Questions

What is the SQUARE D HU366DS safety switch used for?

The SQUARE D HU366DS is a non-fusible safety switch used for disconnecting three-phase electrical circuits in industrial and commercial applications. It provides a visible break for safe maintenance and is rated for 600 A at 600V AC, making it suitable for high-power equipment in manufacturing, HVAC, and process control systems.

What are the specifications of the SQUARE D HU366DS safety switch?

The SQUARE D HU366DS is a non-fusible safety switch rated for 600 A, three-phase, 600V AC. It features a 304 stainless steel enclosure for corrosion resistance. The manufacturer part number is HU366DS, and it is designed for heavy-duty industrial disconnecting applications where a visible break is required.

Where to buy the SQUARE D HU366DS safety switch worldwide?

You can source the SQUARE D HU366DS 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; we provide competitive pricing and reliable sourcing for this SQUARE D model.

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

Install the SQUARE D HU366DS safety switch by mounting it on a flat surface using the provided enclosure holes. Ensure the disconnect is properly grounded per local codes. Connect line and load conductors to the marked terminals, torque to specifications, and verify the switch operates freely before energizing. Always follow NFPA 70E safety procedures.

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.
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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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