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SQUARE D Safety Switch: Fusible, 400 A, Single Phase, 240V AC, Galvanized Steel - Fusible Safety Switches
SQUARE DFusible Safety Switches

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

The SQUARE D H225NR is a 400 A, single-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-25044

Brand
SQUARE D
Item
Safety Switch: Fusible, 400 A, Single Phase, 240V AC, Galvanized Steel
Category
Fusible Safety Switches
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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
H225NR
Type
400 A, Single Phase, Galvanized Steel, Indoor/Outdoor
AC
240V

Technical Documents

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

Product Description

The SQUARE D H225NR is a 400 A, single-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.

Frequently Asked Questions

What is the SQUARE D H225NR safety switch used for?

The SQUARE D H225NR is a fusible safety switch used to safely disconnect electrical power for maintenance or emergency shutdown in industrial and commercial settings. It is rated for 400 A, single phase, 240V AC, and is suitable for indoor or outdoor installations with its galvanized steel enclosure.

What are the specifications of the SQUARE D H225NR safety switch?

The SQUARE D H225NR is a fusible safety switch with a 400 A rating, single phase, 240V AC. It features a galvanized steel enclosure for indoor/outdoor use. The manufacturer part number is H225NR, and it is designed for reliable disconnection in industrial power distribution systems.

Where to buy the SQUARE D H225NR safety switch worldwide?

You can source the SQUARE D H225NR 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 H225NR safety switch?

Install the SQUARE D H225NR safety switch by mounting it securely on a flat surface, connecting line and load 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 guidelines for safe operation.

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.

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SQUARE D Safety Switch: Fusible, 400 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H225NAWK)
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SQUARE D Safety Switch: Fusible, 400 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN D225NR)
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SQUARE D Safety Switch: Fusible, 400 A, Single Phase, 240V AC, 304 Stainless Steel, Indoor/Outdoor (MPN H225DS)

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