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SQUARE D Safety Switch: Non-Fusible, 600 A, Three Phase, 600V AC, Galvanized Steel - Non-Fusible Safety Switches
SQUARENon-Fusible Safety Switches

SQUARE D Safety Switch: Non-Fusible, 600 A, Three Phase, 600V AC, Galvanized Steel

The SQUARE D Safety Switch: Non-Fusible (MPN HU366R) is a 600 A, three-phase, 600V AC disconnect switch in a galvanized steel enclosure rated for indoor/outdoor use. 3G Electric interprets this demand and sources the…

SKU 3G-OTH-129216

Brand
SQUARE
Item
D Safety Switch: Non-Fusible, 600 A, Three Phase, 600V AC, Galvanized Steel
Category
Non-Fusible Safety Switches
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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
HU366R
Type
600 A, Three Phase, Galvanized Steel, Indoor/Outdoor
AC
600V

Technical Documents

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

Product Description

The SQUARE D Safety Switch: Non-Fusible (MPN HU366R) is a 600 A, three-phase, 600V AC disconnect switch in a galvanized steel enclosure rated for indoor/outdoor use. 3G Electric interprets this demand and sources the genuine OEM part, providing a single accountable quote and technical support across 14 industrial departments, with specialist depth in electrical controls.

Frequently Asked Questions

What is the SQUARE D HU366R safety switch used for?

The SQUARE D HU366R is a non-fusible safety switch rated for 600 A, three-phase, 600V AC applications. It is designed for indoor/outdoor use in industrial and commercial settings to safely disconnect power for maintenance or emergency shutdown, protecting equipment and personnel.

What are the specifications of the SQUARE D HU366R safety switch?

The SQUARE D HU366R is a non-fusible safety switch with a 600 A rating, three-phase, 600V AC, and a galvanized steel enclosure suitable for indoor/outdoor use. It is manufactured by SQUARE D under MPN HU366R and is built for heavy-duty industrial power disconnection.

Where to buy the SQUARE D HU366R safety switch worldwide?

You can source the SQUARE D HU366R safety switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring reliable supply for your facility's power disconnection needs.

How to install the SQUARE D HU366R non-fusible safety switch?

Install the SQUARE D HU366R by mounting the galvanized steel enclosure securely, connecting incoming and outgoing three-phase 600V AC conductors per local codes, and verifying the switch mechanism operates freely. Always de-energize circuits before installation and consult a qualified electrician for compliance.

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, 600 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HU366AWK)
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SQUARE D Safety Switch: Non-Fusible, 600 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HU366AWK)
SQUARE D Safety Switch: Non-Fusible, 600 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HU366)
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SQUARE D Safety Switch: Non-Fusible, 600 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HU366)
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SQUARE D Safety Switch: Non-Fusible, 400 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HU365AWK)
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SQUARE D Safety Switch: Non-Fusible, 600 A, Single Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HU266R)
SQUARE D Safety Switch: Non-Fusible, 400 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HU365)
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SQUARE D Safety Switch: Non-Fusible, 400 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HU365)
SQUARE D Safety Switch: Non-Fusible, 200 A, Three Phase, 600V AC, Non-Metallic, Indoor/Outdoor (MPN HU364DF)
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SQUARE D Safety Switch: Non-Fusible, 200 A, Three Phase, 600V AC, Non-Metallic, Indoor/Outdoor (MPN HU364DF)

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