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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 D225N is a 400 A, single-phase, fusible safety switch rated for 240V AC. Housed in a galvanized steel enclosure for indoor use, this switch provides a grounded, code-compliant disconnecting means for…

SKU 3G-OTH-28173

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
D225N
Type
400 A, Single Phase, Galvanized Steel, Indoor
AC
240V

Technical Documents

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

Product Description

The SQUARE D D225N is a 400 A, single-phase, fusible safety switch rated for 240V AC. Housed in a galvanized steel enclosure for indoor use, this switch provides a grounded, code-compliant disconnecting means for industrial electrical circuits.

Frequently Asked Questions

What is the SQUARE D D225N safety switch used for?

The SQUARE D D225N is a fusible safety switch used to safely disconnect electrical power for maintenance or emergency shutdown in industrial and commercial facilities. It is rated for 400 A, single-phase, 240V AC, and is housed in a galvanized steel enclosure for indoor use.

What are the specifications of the SQUARE D D225N safety switch?

The SQUARE D D225N is a fusible safety switch with a 400 A rating, single-phase, 240V AC. It features a galvanized steel enclosure designed for indoor installation. The manufacturer part number is D225N, and it is produced by SQUARE D.

Where to buy the SQUARE D D225N safety switch worldwide?

You can source the SQUARE D D225N 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.

How to install the SQUARE D D225N safety switch?

Install the SQUARE D D225N safety switch in a dry indoor location on a sturdy surface. Ensure the power is off before wiring. Follow local electrical codes and the manufacturer's instructions for proper fuse sizing and torque specifications. Always use qualified personnel for installation.

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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