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, 400 A, Three Phase, 240V AC, Galvanized Steel - Fusible Safety Switches
SQUARE DFusible Safety Switches

SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 240V AC, Galvanized Steel

The SQUARE D H325NR is a 400 A, three-phase, fusible safety switch rated for 240V AC. Constructed with galvanized steel for indoor/outdoor use, it provides a reliable disconnect solution for industrial electrical…

SKU 3G-OTH-25643

Brand
SQUARE D
Item
Safety Switch: Fusible, 400 A, Three Phase, 240V AC, Galvanized Steel
Category
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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SQUARE D
Manufacturer Part Number
H325NR
Type
400 A, Three Phase, Galvanized Steel, Indoor/Outdoor
AC
240V

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 H325NR is a 400 A, three-phase, fusible safety switch rated for 240V AC. Constructed with galvanized steel for indoor/outdoor use, it provides a reliable disconnect solution for industrial electrical systems. 3G Electric interprets your demand and sources this genuine SQUARE D component, backed by our specialist expertise across 14 industrial departments.

Frequently Asked Questions

What is the SQUARE D H325NR safety switch used for?

The SQUARE D H325NR is a fusible safety switch rated for 400 A, three-phase, 240V 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 H325NR safety switch?

The SQUARE D H325NR is a fusible safety switch with a 400 A rating, three-phase, 240V AC, and a galvanized steel enclosure. It is suitable for indoor/outdoor installation. The manufacturer part number is H325NR, and it is a SQUARE D brand product.

Where to buy the SQUARE D H325NR safety switch worldwide?

You can source the SQUARE D H325NR 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 fusible safety switch.

How to install the SQUARE D H325NR safety switch?

Install the SQUARE D H325NR safety switch by mounting it on a sturdy surface, connecting incoming and outgoing conductors per local codes, and ensuring proper fuse sizing for the 400 A, 240V AC circuit. Always de-energize the system before installation and follow SQUARE D's generic guidelines for fusible switches.

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H325R)
SQUARE D
SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H325R)
SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN H325)
SQUARE D
SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN H325)
SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H325AWK)
SQUARE D
SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H325AWK)
SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H325NAWK)
SQUARE D
SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H325NAWK)
SQUARE D Safety Switch: Fusible, 400 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H225NR)
SQUARE D
SQUARE D Safety Switch: Fusible, 400 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H225NR)
SQUARE D Safety Switch: Fusible, 400 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN D225NR)
SQUARE D
SQUARE D Safety Switch: Fusible, 400 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN D225NR)

More from SQUARE D

View all SQUARE D parts
SQUARE D Safety Switch: Fusible, 30 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H361AWC)
SQUARE D
SQUARE D Safety Switch: Fusible, 30 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H361AWC)
SQUARE D Safety Switch: Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H363AWA)
SQUARE D
SQUARE D Safety Switch: Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H363AWA)
SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H365)
SQUARE D
SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H365)
SQUARE D Safety Switch: Fusible, 400 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN H225)
SQUARE D
SQUARE D Safety Switch: Fusible, 400 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN H225)
SQUARE D Safety Switch: Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DT323RB)
SQUARE D
SQUARE D Safety Switch: Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DT323RB)
SQUARE D Safety Switch: Fusible, 600 A, Single Phase, 600V AC, Galvanized Steel, Indoor (MPN H266)
SQUARE D
SQUARE D Safety Switch: Fusible, 600 A, Single Phase, 600V AC, Galvanized Steel, Indoor (MPN H266)
SQUARE D Safety Switch: Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H362AWC)
SQUARE D
SQUARE D Safety Switch: Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H362AWC)
SQUARE D Safety Switch: Fusible, 60 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DT322RB)
SQUARE D
SQUARE D Safety Switch: Fusible, 60 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DT322RB)