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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 H365N is a 400 A, three-phase, fusible safety switch rated for 600V AC. Housed in a galvanized steel enclosure for indoor use, this disconnect provides a grounded, code-compliant means to isolate…

SKU 3G-OTH-26671

Brand
SQUARE D
Item
Safety Switch: Fusible, 400 A, Three Phase, 600V 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
H365N
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 H365N is a 400 A, three-phase, fusible safety switch rated for 600V AC. Housed in a galvanized steel enclosure for indoor use, this disconnect provides a grounded, code-compliant means to isolate electrical circuits during maintenance or emergency shutdown.

Frequently Asked Questions

What is the SQUARE D H365N safety switch used for?

The SQUARE D H365N is a fusible safety switch used for disconnecting and protecting electrical circuits in industrial and commercial applications. It is designed for three-phase systems up to 600V AC and 400 A, providing a reliable means to safely isolate equipment during maintenance or emergency shutdowns.

What are the specifications of the SQUARE D H365N safety switch?

The SQUARE D H365N is a 400 A, three-phase, fusible safety switch rated for 600V AC. It features a galvanized steel enclosure for indoor use. The manufacturer part number is H365N, and it is designed for heavy-duty industrial applications requiring reliable circuit isolation and overcurrent protection.

Where to buy the SQUARE D H365N safety switch worldwide?

You can source the SQUARE D H365N 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; we provide competitive pricing and reliable sourcing for this and other SQUARE D components.

How to install the SQUARE D H365N safety switch?

Install the SQUARE D H365N safety switch in a dry indoor location on a sturdy surface. Ensure the power is off before wiring. Connect line and load conductors per the terminal markings, using appropriate torque values. Always follow local electrical codes and the manufacturer's instructions for safe operation and maintenance.

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 H365R)
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SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H366N)
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SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H366N)

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