We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

SQUARE D Safety Switch: Non-Fusible, 30 A, Three Phase, 600V AC, Galvanized Steel - Non-Fusible Safety Switches
SQUARENon-Fusible Safety Switches

SQUARE D Safety Switch: Non-Fusible, 30 A, Three Phase, 600V AC, Galvanized Steel

The SQUARE D Safety Switch: Non-Fusible (MPN HU661AWK) is a 30 A, three-phase, 600V AC non-fusible safety switch constructed from galvanized steel for indoor/outdoor use. As a trusted industrial solutions provider…

SKU 3G-OTH-129246

Brand
SQUARE
Item
D Safety Switch: Non-Fusible, 30 A, Three Phase, 600V AC, Galvanized Steel
Category
Non-Fusible Safety Switches
Available to Order
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.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
HU661AWK
Type
30 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 HU661AWK) is a 30 A, three-phase, 600V AC non-fusible safety switch constructed from galvanized steel for indoor/outdoor use. As a trusted industrial solutions provider, 3G Electric interprets customer demand and delivers genuine equipment across 14 industrial departments, with specialist depth in combustion, pumps and controls.

Frequently Asked Questions

What is the SQUARE D HU661AWK safety switch used for?

The SQUARE D HU661AWK is a non-fusible safety switch used to safely disconnect electrical power for maintenance or emergency shutdown in industrial and commercial settings. It handles 30 A, three-phase, 600V AC circuits and is suitable for indoor/outdoor installations with its galvanized steel enclosure.

What are the specifications of the SQUARE D HU661AWK safety switch?

The SQUARE D HU661AWK is a non-fusible safety switch rated for 30 A, three-phase, 600V AC. It features a galvanized steel enclosure for indoor/outdoor use. The manufacturer part number is HU661AWK, and it is designed for reliable disconnection in industrial power distribution systems.

Where to buy the SQUARE D HU661AWK safety switch worldwide?

You can source the SQUARE D HU661AWK 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 on this non-fusible safety switch.

How to install the SQUARE D HU661AWK safety switch?

Install the SQUARE D HU661AWK safety switch by mounting the galvanized steel enclosure securely, connecting the three-phase 600V AC supply to the line side, and the load to the load side. Ensure the switch is in the OFF position before wiring. Follow local electrical codes and use proper personal protective equipment.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
SQUARE D Safety Switch: Non-Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HU462AWK)
SQUARE
SQUARE D Safety Switch: Non-Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HU462AWK)
SQUARE D Safety Switch: Non-Fusible, 400 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HU365R)
SQUARE
SQUARE D Safety Switch: Non-Fusible, 400 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HU365R)
SQUARE D Safety Switch: Non-Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HU463)
SQUARE
SQUARE D Safety Switch: Non-Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HU463)
SQUARE D Safety Switch: Non-Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HU662AWK)
SQUARE
SQUARE D Safety Switch: Non-Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HU662AWK)
SQUARE D Safety Switch: Non-Fusible, 30 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HU461AWK)
SQUARE
SQUARE D Safety Switch: Non-Fusible, 30 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HU461AWK)
SQUARE D Safety Switch: Non-Fusible, 600 A, Single Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HU266R)
SQUARE
SQUARE D Safety Switch: Non-Fusible, 600 A, Single Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HU266R)

More from SQUARE

View all SQUARE parts
SQUARE D Safety Switch: Non-Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HU363AWC)
SQUARE
SQUARE D Safety Switch: Non-Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HU363AWC)
SQUARE D Safety Switch: Non-Fusible, 100 A, Three Phase, 600V AC, 304 Stainless Steel (MPN HU363DSWA)
SQUARE
SQUARE D Safety Switch: Non-Fusible, 100 A, Three Phase, 600V AC, 304 Stainless Steel (MPN HU363DSWA)
SQUARE D Safety Switch: Non-Fusible, 30 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HU361AWC)
SQUARE
SQUARE D Safety Switch: Non-Fusible, 30 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HU361AWC)
SQUARE D Safety Switch: Non-Fusible, 30 A, Three Phase, 600V AC, 304 Stainless Steel, Indoor/Outdoor (MPN HU361DSWA)
SQUARE
SQUARE D Safety Switch: Non-Fusible, 30 A, Three Phase, 600V AC, 304 Stainless Steel, Indoor/Outdoor (MPN HU361DSWA)
SQUARE D Safety Switch: Non-Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HU362AWC)
SQUARE
SQUARE D Safety Switch: Non-Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HU362AWC)
SQUARE D Safety Switch: Non-Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HU362AWH)
SQUARE
SQUARE D Safety Switch: Non-Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HU362AWH)
SQUARE D Safety Switch: Non-Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HU362WA)
SQUARE
SQUARE D Safety Switch: Non-Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HU362WA)
SQUARE D Safety Switch: Non-Fusible, 30 A, Three Phase, 600V AC, 304 Stainless Steel, Indoor/Outdoor (MPN HU361DSWC)
SQUARE
SQUARE D Safety Switch: Non-Fusible, 30 A, Three Phase, 600V AC, 304 Stainless Steel, Indoor/Outdoor (MPN HU361DSWC)