Eaton Heavy Duty Fusible Safety Switch DH363FDK-GCL - 12/3R
Part Number: DH363FDK-GCL
Quick Summary
Eaton heavy duty fusible safety switch DH363FDK-GCL provides rugged, code-compliant isolation for mill-duty electrical feeders in industrial environments. Facilities often struggle with weather exposure, space constraints, and safe service-entry access; this unit addresses those pain points with a robust, field-modifiable enclosure. Key certifications include UL Listed, NEC 230.62(C) compliant barrier, and NEMA 12/3R ratings, giving reliable protection in harsh locations. In addition to safety, the design supports service-entry configurations and Neutral Kit options, delivering value through easier installation, improved uptime, and lower lifecycle costs for industrial control and power-distribution systems.
Product Information
Extended Description
DH363FDK-GCL Eaton: Eaton Heavy duty single-throw fused safety switch, Mill-duty, dust-tight, 100 A, NEMA 12/3R, Painted galvanized steel, Class H, 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-GCL
UPC
782114889763
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.
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Catalog Notes
Suitable for service entrance use with a Neutral Kit installed. Can be field modified to meet NEMA 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, Mill-duty
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Specification Sheet - DH363FDK-GCL
Feature: 100 A amperage rating with three poles and 600 V maximum. Business Impact: Delivers dependable protection for high-demand loads while enabling precise motor and feeder control, reducing fuse swaps and unplanned downtime. Application: Suitable for mill-duty feeders and industrial control panels that demand robust isolation and quick disconnect. Long-tail keyword: 100A fusible switch for 600V systems. Feature: NEMA 12 / NEMA 3R enclosure with painted galvanized steel. Business Impact: Dust-tight and weather-resilient performance that lowers ingress risk and extends service life in demanding environments. Application: Floor-mounted or wall-mounted installations on factory floors and outdoor-rated spaces. Long-tail keyword: dust-tight electrical enclosure for industrial switches. Feature: Class H fuse provision and fusible without neutral configuration. Business Impact: Enables precise protection coordination and streamlined maintenance without neutral wiring, reducing spare parts and labor costs. Application: Heavy-duty motor circuits and power feeders in mixed-voltage panels. Long-tail keyword: Class H fuse safety switch for motors. Feature: UL Listed and NEC 230.62(C) compliant barrier. Business Impact: Meets regulatory requirements with clearly defined safety boundaries, simplifying compliance audits and installation approvals. Application: New builds and retrofits in commercial and industrial facilities. Long-tail keyword: UL Listed safety switch with NEC barrier. Feature: Neutral Kit compatibility and service-entrance readiness. Business Impact: Facilitates service-disconnect configurations with minimal field work, decreasing project lead times. Application: Service entrance installations and panel-board upgrades in manufacturing and distribution. Long-tail keyword: service entrance fusible switch with neutral kit. Feature: Warranty and field-adjustment notes. Business Impact: Reduces total cost of ownership by providing clear policy and upgrade paths, boosting confidence in procurement decisions. Application: Long-term maintenance planning for critical power protection equipment. Long-tail keyword: Eaton warranty 25-000 service policy.
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FAQs
DH363FDK-GCL is a three-pole, three-wire unit rated for 100 A at up to 600 V. Its enclosure supports NEMA 12 and NEMA 3R configurations, with dimensions of 25.5 in L, 13.25 in W, and 9 in H. Suitable Neutral Kit compatibility enables service-entry setups; field modifications may be required for rainproofing.
The switch provides 100 A amperage with max HP ratings of 30, 40/60, 75 hp for 1/3-phase at 480/600 V. It is rated 600 V and uses Class H fuses, with a three-pole, three-wire configuration. For motor drives and feeders, size protections to match or exceed motor full-load amps and ensure coordination with upstream protective devices.
Yes, the DH363FDK-GCL supports service-entrance use when a Neutral Kit is installed. It can be field modified to meet NEMA 3R rainproof requirements if a factory-provided drain hole is opened, enabling outdoor or semi-exposed installations without compromising safety.
The device is UL Listed and conforms to NEC 230.62(C) compliant barrier requirements. These certifications help ensure safe installation practices, code compliance during audits, and reliable operation in industrial environments.
Eaton offers a warranty policy (25-000) of one year from installation or eighteen months from shipment, whichever occurs first. This, combined with standard maintenance practices and the device’s durable enclosure and fuse protections, supports reduced downtime and predictable total cost of ownership for critical protection equipment.