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SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 600V AC, Galvanized Steel - Fusible Safety Switches
SQUARE DFusible Safety Switches

SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 600V AC, Galvanized Steel

The SQUARE D H365 is a 400 A, three-phase, fusible safety switch rated for 600V AC. Housed in a galvanized steel enclosure for indoor use, this switch provides a reliable disconnecting means for industrial electrical…

SKU 3G-OTH-26341

Also listed as: H 365 · H-365

Brand
SQUARE D
Item
Safety Switch: Fusible, 400 A, Three Phase, 600V AC, Galvanized Steel
Category
Fusible Safety Switches
Available to Order
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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
H365
Type
400 A, Three Phase, Galvanized Steel, Indoor
AC
600V

Technical Documents

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

Product Description

The SQUARE D H365 is a 400 A, three-phase, fusible safety switch rated for 600V AC. Housed in a galvanized steel enclosure for indoor use, this switch provides a reliable disconnecting means for industrial electrical circuits. 3G Electric interprets your demand for this specific SQUARE D model, sourcing it as an authorised distributor across 14 industrial departments — with specialist depth in controls that ensures the right solution for your application.

Frequently Asked Questions

What is the SQUARE D H365 safety switch used for?

The SQUARE D H365 is a 400 A, three-phase, 600V AC fusible safety switch designed for indoor industrial applications. It provides a manual disconnect and overcurrent protection for motors, machinery, and power distribution in manufacturing, processing, and commercial facilities.

What are the specifications of the SQUARE D H365 safety switch?

The SQUARE D H365 is a 400 A, three-phase, 600V AC fusible safety switch with a galvanized steel enclosure for indoor use. It accepts Class H, K, or R fuses and features a visible blade design for safe lockout/tagout. The MPN is H365.

Where to buy the SQUARE D H365 safety switch worldwide?

3G Electric supplies the SQUARE D H365 safety switch to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 400 A, 600V AC fusible disconnect.

How to install a SQUARE D H365 fusible safety switch?

Install the SQUARE D H365 on a flat, vertical surface using the mounting holes in the galvanized steel enclosure. Ensure the switch is de-energized, connect line and load conductors per the wiring diagram inside the cover, and install the correct fuse class and rating for your 400 A, 600V AC circuit.

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, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN H365NR)
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SQUARE D Safety Switch: Non-Fusible, 400 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HU365R)

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