SQUARE D Safety Switch: Non-Fusible, 600 A, Three Phase, 600V AC, Galvanized Steel
The SQUARE D HU366 is a 600 A, three-phase, non-fusible safety switch rated for 600V AC, housed in galvanized steel for indoor use. 3G Electric interprets this demand and delivers it across 14 industrial departments…
SKU 3G-OTH-129310
Also listed as: HU 366 · HU-366
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.
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Product Description
The SQUARE D HU366 is a 600 A, three-phase, non-fusible safety switch rated for 600V AC, housed in galvanized steel for indoor use. 3G Electric interprets this demand and delivers it across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor for brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.
Frequently Asked Questions
What is a Square D HU366 safety switch used for?
The Square D HU366 is a non-fusible safety switch used to safely disconnect and isolate electrical equipment in industrial and commercial facilities. It handles 600 A, three-phase, 600V AC loads, providing a visible break for maintenance and emergency shutdown.
What are the specifications of the Square D HU366 safety switch?
The Square D HU366 is a non-fusible safety switch rated for 600 A, three-phase, 600V AC. It features a galvanized steel enclosure for indoor use. The manufacturer part number is HU366, and it is designed for reliable disconnect applications in industrial power distribution.
Where to buy a Square D HU366 safety switch worldwide?
3G Electric supplies the Square D HU366 safety switch to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source and deliver genuine Square D equipment for your electrical safety needs.
How to install a Square D non-fusible safety switch?
Install the Square D HU366 on a sturdy surface per local electrical codes. Ensure the switch is in the OFF position before wiring. Connect line and load conductors to the appropriate terminals, torque to manufacturer specifications, and verify proper grounding before energizing.
Used in
Common applications for SQUARESQUARE 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.
