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, 100 A, Three Phase, 600V AC, Non-Metallic - Fusible Safety Switches
SQUARE DFusible Safety Switches

SQUARE D Safety Switch: Fusible, 100 A, Three Phase, 600V AC, Non-Metallic

The SQUARE D H363DF is a 100 A, three-phase, fusible safety switch rated for 600V AC. Designed for indoor/outdoor use with a non-metallic enclosure, it provides a reliable disconnect solution for industrial…

SKU 3G-OTH-26307

Brand
SQUARE D
Item
Safety Switch: Fusible, 100 A, Three Phase, 600V AC, Non-Metallic
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
H363DF
Type
100 A, Three Phase, Non-Metallic, Indoor/Outdoor
AC
600V

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 H363DF is a 100 A, three-phase, fusible safety switch rated for 600V AC. Designed for indoor/outdoor use with a non-metallic enclosure, it provides a reliable disconnect solution for industrial electrical systems. 3G Electric interprets your demand for this SQUARE D safety switch and delivers it with specialist support across 14 industrial departments, including electrical and power transmission.

Frequently Asked Questions

What is the SQUARE D H363DF safety switch used for?

The SQUARE D H363DF is a fusible safety switch rated for 100 A, three-phase, 600V AC applications. It is designed for indoor/outdoor use in industrial and commercial settings to safely disconnect power for maintenance or emergency shutdown. Its non-metallic enclosure provides corrosion resistance in harsh environments.

What are the specifications of the SQUARE D H363DF safety switch?

The SQUARE D H363DF is a fusible safety switch with a 100 A rating, three-phase operation, and 600V AC voltage. It features a non-metallic enclosure suitable for indoor/outdoor use. The manufacturer part number is H363DF, and it is part of the SQUARE D brand line of fusible safety switches.

Where to buy the SQUARE D H363DF safety switch worldwide?

You can source the SQUARE D H363DF 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 reliable sourcing for this SQUARE D fusible safety switch.

How to install the SQUARE D H363DF safety switch?

Install the SQUARE D H363DF safety switch by mounting it securely on a flat surface, ensuring proper grounding per local codes. Connect incoming and outgoing conductors to the line and load terminals, using fuses rated for 100 A and 600V AC. Always de-energize the circuit 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.

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, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN H365NR)
SQUARE D
SQUARE D Safety Switch: Fusible, 400 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN H365NR)
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN H366NR)
SQUARE D
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN H366NR)
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H366)
SQUARE D
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H366)
SQUARE D Safety Switch: Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H362AWH)
SQUARE D
SQUARE D Safety Switch: Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN H362AWH)
SQUARE D Safety Switch: Fusible, 200 A, Three Phase, 600V AC, Non-Metallic, Indoor/Outdoor (MPN H364DF)
SQUARE D
SQUARE D Safety Switch: Fusible, 200 A, Three Phase, 600V AC, Non-Metallic, Indoor/Outdoor (MPN H364DF)
SQUARE D Safety Switch: Non-Fusible, 400 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HU365R)
SQUARE
SQUARE D Safety Switch: Non-Fusible, 400 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HU365R)

More from SQUARE D

View all SQUARE D parts
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)
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H326NR)
SQUARE D
SQUARE D Safety Switch: Fusible, 600 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN H326NR)