Eaton DH363FDK Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH363FDK
Quick Summary
The Eaton DH363FDK heavy duty fusible safety switch provides reliable overcurrent protection for industrial drives. Downtime from mismatched protection or frequent fuse changes can throttle productivity and raise maintenance costs. This unit carries UL Listed certification, supports NEMA 12 and NEMA 3R enclosures, and uses Class H fuses rated up to 100 A and 600 V, aligning with common industrial protection standards. Designed for service entrances and motor control panels, it offers robust protection with field-modifiable options, reducing installation risk while improving uptime and compliance across demanding environments.
Product Information
Extended Description
DH363FDK Eaton: Eaton Heavy duty receptacle safety switch, 100 A, NEMA 12/3R, Painted galvanized steel, Class H, Fusible without neutral, Three-pole, Three-wire, 600 V, Max Hp: 30, 40/ 60, 75 hp (1/3PH @480, 600 V), #14-#1/0 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH363FDK
UPC
782113206554
Product Length/Depth
25.5 in
Product Height
9 in
Product Width
13.25 in
Product Weight
23 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed
Catalog Notes
Suitable for service entrance use with a neutral or ground lug kit installed. Can be field modified to meetNEMA 3R rainproof requirements when a factory provided drain hole is opened.
Enclosure
NEMA 12, NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Class H
Fuse configuration
Fusible without neutral
Number Of Poles
Three-pole
Number of wires
3
Type
Heavy duty fusible safety switch
Amperage Rating
100A
HP rating - max
30, 40/ 60, 75 hp (1/3PH @480, 600 V)
NEMA rating
NEMA 12/3R
Voltage rating
600 V
Product Category
Heavy Duty, Fusible without neutral
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Specification Sheet - DH363FDK
Selling Policy 25-000 - Distribution and Control Products and Services
Enclosure and protection: The DH363FDK uses a painted galvanized steel enclosure rated for NEMA 12 and NEMA 3R environments, delivering dust and moisture resistance for indoor and outdoor installations. Business impact: Extended service life in harsh facilities reduces maintenance frequency and downtime. Application: Ideal for motor control centers, distribution panels, and outdoor protection where weather exposure is a concern. Fusing and wiring configuration: Three-pole, fusible without neutral with Class H fuse provisions enable precise current protection and selectivity. Business impact: Lower risk of nuisance tripping and improved fault isolation, which translates into fewer unplanned outages. Application: Main power feeds and branch circuits in manufacturing lines and processing plants. Electrical ratings: Amperage rating of 100 A, voltage rating of 600 V, and HP ratings up to 75 hp (1/3PH @480, 600 V) support demanding motor loads. Business impact: Higher compatibility with common industrial motors reduces the need for multiple protective devices. Application: Heavy machinery, conveyors, and pumps across industrial settings. Installation compatibility: Suitable for service entrances with a neutral or ground lug kit, simplifying field installs and code compliance. Business impact: Streamlined wiring, faster commissioning, and safer grounding. Application: Building service entrances and large drive panels where lug kits are required. Rainproof field modification option: Can be field modified to meet NEMA 3R rainproof requirements when a factory drain hole is opened. Business impact: Extends installation versatility without replacing the enclosure. Application: Outdoor or semi-exposed installations where weatherproofing is essential. Certifications and reliability: UL Listed with rugged construction and Eaton’s warranty policy, delivering confidence in lifecycle support and regulatory compliance. Business impact: Reduced risk of non-compliance penalties and predictable maintenance planning. Application: Compliance-driven facilities and OEM protection schemes.
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FAQs
Yes. The DH363FDK is suitable for service entrances and can be used with a neutral or ground lug kit, simplifying code-compliant installs and reducing wiring complexity in protection and control panels.
Key specs include 100 A amperage rating, 600 V voltage rating, three-pole, three-wire configuration, fusible without neutral, Class H fuse provision, and NEMA 12/3R enclosure suitability, with HP ratings up to 75 hp (1/3PH @480, 600 V).
Ideal for industrial motor control centers, distribution panels, service entrances, conveyors, and pumps in manufacturing and processing facilities where rugged protection and reliable protection coordination are required.
The device is UL Listed and provides rugged, field-ready protection with NEMA 12/3R enclosure compatibility and a 600 V rating, ensuring compliance with typical industrial safety standards.
Benefit from fewer nuisance trips due to Class H fusing and robust enclosure, plus field-modification options for NEMA 3R rainproofing. The warranty aligns with Eaton policy 25-000, offering predictable lifecycle support and reduced long-term maintenance costs.