Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
SQUARE HU365R Non-Fusible Safety Switch - Non-Fusible Safety Switches
SQUARENon-Fusible Safety Switches

SQUARE HU365R Non-Fusible Safety Switch

The SQUARE D Safety Switch: Non-Fusible (MPN HU365R) is a 400 A, three-phase, 600V AC non-fusible safety switch constructed from galvanized steel for indoor/outdoor use. As a SQUARE D product, it is part of the…

SKU 3G-OTH-129217

Brand
SQUARE
Item
HU365R Non-Fusible Safety Switch
Part Number
HU365R
Category
Non-Fusible Safety Switches
Available to Order
Also known as:HU365RSQUARE
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

SQUARE
Manufacturer Part Number
HU365R
Type
400 A, Three Phase, Galvanized Steel, Indoor/Outdoor
AC
600V

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SQUARE D Safety Switch: Non-Fusible (MPN HU365R) is a 400 A, three-phase, 600V AC non-fusible safety switch constructed from galvanized steel for indoor/outdoor use. As a SQUARE D product, it is part of the broader industrial electrical supply we interpret, source, quote, and support across 14 departments, with specialist depth in controls.

Frequently Asked Questions

What is a Square D HU365R safety switch used for?

The Square D HU365R is a non-fusible safety switch used to safely disconnect electrical power for maintenance or emergency shutdown in industrial and commercial applications. It handles 400 A, three-phase, 600V AC circuits and is suitable for indoor or outdoor use with its galvanized steel enclosure.

What are the specifications of the Square D HU365R?

The Square D HU365R is a non-fusible safety switch rated for 400 A, three-phase, 600V AC. It features a galvanized steel enclosure rated for indoor/outdoor use. The manufacturer part number is HU365R. This switch provides reliable disconnection for heavy-duty industrial power distribution.

Where to buy a Square D HU365R safety switch worldwide?

3G Electric supplies the Square D HU365R safety switch to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine Square D equipment and support your procurement from inquiry through final delivery.

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

Installation must follow the National Electrical Code and local regulations. Mount the galvanized steel enclosure securely on a flat surface, connect incoming and outgoing conductors to the line and load terminals, and verify the switch is off before energizing. Always de-energize upstream circuits before working.

Used in

Common applications for SQUARE
Commercial building lighting control — Square D 8903LO60V04 (6-pole, 30 A, 277V AC coil) for switching large-area lighting in offices and retail spaces.
Warehouse lighting — Square D 8903LO1000V02 (10-pole, 30 A, 120V AC coil) for centralized control of high-bay lighting circuits.
Parking lot lighting — Square D 8903SPO2V04 (3-pole, 60 A, 277V AC coil) for remote switching of exterior lighting groups.
Manufacturing facility lighting — Square D 8903LO1200V02 (12-pole, 30 A, 120V AC coil) for multi-circuit lighting control in production areas.
Industrial facility lighting — Square D 8903SMO2V02 (3-pole, 30 A, 120V AC coil) for switching lighting in small zones or individual rooms.
Large-scale lighting systems — Square D 8903LO80V02 (8-pole, 30 A, 120V AC coil) for controlling multiple lighting circuits from a single point.
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from SQUARE

View all SQUARE parts →
Non-fusible safety switch rated 60 A, three-phase, 240V AC. Galvanized steel enclosure suitable for indoor and outdoor installation. Provides manual disconnect for three-phase equipment in industrial and commercial settings
SQUARE
Non-fusible safety switch rated 60 A, three-phase, 240V AC. Galvanized steel enclosure suitable for indoor and outdoor installation. Provides manual disconnect for three-phase equipment in industrial and commercial settings

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first