Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel - Fusible Safety Switches
SQUARE DFusible Safety Switches

SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel

The SQUARE D H326 is a 600 A, three-phase, fusible safety switch rated for 240V AC. Housed in a galvanized steel enclosure for indoor use, this switch provides a reliable disconnecting means for industrial electrical…

SKU 3G-OTH-25387

Brand
SQUARE D
Item
Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel
Category
Fusible Safety Switches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

SQUARE D
Manufacturer Part Number
H326
Type
600 A, Three Phase, Galvanized Steel, Indoor
AC
240V
View Full Spec Sheet

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

Product Description

The SQUARE D H326 is a 600 A, three-phase, fusible safety switch rated for 240V AC. Housed in a galvanized steel enclosure for indoor use, this switch provides a reliable disconnecting means for industrial electrical systems. 3G Electric interprets your demand and delivers this genuine SQUARE D component across 14 industrial departments, with specialist depth in controls as an authorised distributor.

Frequently Asked Questions

What is the SQUARE D H326 safety switch used for?

The SQUARE D H326 is a fusible safety switch designed for three-phase industrial applications up to 600 A and 240V AC. It provides a manual disconnect and overcurrent protection for motors, machinery, and distribution panels in indoor environments.

What are the specifications of the SQUARE D H326 safety switch?

The SQUARE D H326 is a 600 A, three-phase, 240V AC fusible safety switch with a galvanized steel enclosure for indoor use. It is manufactured by SQUARE D under MPN H326 and is suitable for heavy-duty industrial disconnecting applications.

Where to buy the SQUARE D H326 safety switch worldwide?

3G Electric supplies the SQUARE D H326 safety switch worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the SQUARE D H326 safety switch?

Install the SQUARE D H326 on a flat indoor surface using the mounting holes on the galvanized steel enclosure. Ensure the switch is de-energized, connect line and load conductors per local codes, and verify proper fuse ratings before closing the cover.

Used in

Common applications for SQUARE D
Commercial building electrical panels — Square D QO series plug-in circuit breakers for branch circuit protection
Industrial motor control centers — Square D QOB series bolt-on breakers in NQOD panelboards
Heating equipment installations — Square D QOU series unit-mount breakers for overcurrent protection
Outdoor electrical distribution — Square D L-Frame enclosures housing LAL/LHL breakers for 400 A service
Indoor facility power distribution — Square D Q-Frame enclosures with QBL/QDL breakers for 225 A circuits
Retrofit and replacement in existing Square D load centers — QO series breakers for 120/240V AC systems

SQUARE D Products

3G Electric supplies SQUARE D 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

Similar products

Matched by specification & description
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN H326N). Key specifications — Brand: SQUARE D.
SQUARE D
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN H326N). Key specifications — Brand: SQUARE D.
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN D326N). Key specifications — Brand: SQUARE D.
SQUARE D
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN D326N). Key specifications — Brand: SQUARE D.
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H326NR). Key specifications — Brand: SQUARE D.
SQUARE D
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H326NR). Key specifications — Brand: SQUARE D.
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN D326NR). Key specifications — Brand: SQUARE D.
SQUARE D
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN D326NR). Key specifications — Brand: SQUARE D.
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H326NAWK). Key specifications — Brand: SQUARE D.
SQUARE D
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H326NAWK). Key specifications — Brand: SQUARE D.
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H326AWK). Key specifications — Brand: SQUARE D.
SQUARE D
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H326AWK). Key specifications — Brand: SQUARE D.

More from SQUARE D

View all SQUARE D parts
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 600V AC, 304 Stainless Steel, Indoor/Outdoor (MPN H366NDS). Key specifications — Brand: SQUARE D.
SQUARE D
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 600V AC, 304 Stainless Steel, Indoor/Outdoor (MPN H366NDS). Key specifications — Brand: SQUARE D.
SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN H365R). Key specifications — Brand: SQUARE D.
SQUARE D
SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN H365R). Key specifications — Brand: SQUARE D.
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 600V AC, 304 Stainless Steel, Indoor/Outdoor (MPN H366DS). Key specifications — Brand: SQUARE D.
SQUARE D
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 600V AC, 304 Stainless Steel, Indoor/Outdoor (MPN H366DS). Key specifications — Brand: SQUARE D.
SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H325R). Key specifications — Brand: SQUARE D.
SQUARE D
SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H325R). Key specifications — Brand: SQUARE D.
SQUARE D Safety Switch: Fusible, 200 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN D324N). Key specifications — Brand: SQUARE D.
SQUARE D
SQUARE D Safety Switch: Fusible, 200 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN D324N). Key specifications — Brand: SQUARE D.
SQUARE D Safety Switch: Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN DT363RB). Key specifications — Brand: SQUARE D.
SQUARE D
SQUARE D Safety Switch: Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN DT363RB). Key specifications — Brand: SQUARE D.
SQUARE D Safety Switch: Fusible, 30 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DT321RB). Key specifications — Brand: SQUARE D.
SQUARE D
SQUARE D Safety Switch: Fusible, 30 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DT321RB). Key specifications — Brand: SQUARE D.
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H326R). Key specifications — Brand: SQUARE D.
SQUARE D
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H326R). Key specifications — Brand: SQUARE D.