Eaton DH363FCK Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH363FCK
Quick Summary
Eaton heavy duty fusible safety switch delivers reliable power control for industrial equipment in harsh environments. Facilities often struggle with corrosion, water ingress, and limited space that complicates safe isolation of circuits. UL Listed and NEMA 4X enclosures provide robust protection, while NEC 230.62 barrier compliance supports compliant service entrances. The Krydon non-metallic enclosure and fusible without neutral design simplify installation, wiring, and future maintenance. With a three-pole configuration, 100 A rating, and 600 V capability, this switch aligns with common harsh-environment installations, delivering dependable protection with a one-year warranty. In practice, it reduces downtime, improves safety, and streamlines regulatory adherence for manufacturers, data centers, and process industries.
Product Information
Extended Description
DH363FCK Eaton: Eaton Heavy duty single-throw fused safety switch, 100 A, NEMA 4X, Non-metallic, KRYDON, 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
DH363FCK
UPC
782114296059
Product Length/Depth
16.46 in
Product Height
27.25 in
Product Width
14.25 in
Product Weight
45 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 or ground lug kit installed
Enclosure
NEMA 4X
Enclosure material
Non-metallic, KRYDON
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 4X (Non-Metallic)
Voltage rating
600 V
Product Category
Heavy Duty, Harsh Environment - EnviroLine
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Specification Sheet - DH363FCK
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 100 A amperage rating and three-pole design. Business Impact: Handles demanding loads and isolates circuits safely, reducing downtime and avoiding nuisance trips. Application: machine controls, conveyors, and process lines in manufacturing and packaging. Feature: NEMA 4X enclosure with Krydon material. Business Impact: Provides corrosion and weather resistance for outdoor or washdown environments, extending enclosure life. Application: outdoor substations, food processing, mining. Feature: Fuse class H and fusible without neutral. Business Impact: Reliable overcurrent protection with easy fuse replacement, improving uptime. Application: service entrances and distribution panels in harsh facilities. Feature: UL Listed and NEC 230.62 barrier compliance. Business Impact: Ensures regulatory conformity and safer installations, minimizing compliance risk. Application: plants governed by NEC rules and electrical contractors. Feature: Neutral/ground lug kit compatibility and service entrance suitability. Business Impact: Flexible integration with existing infrastructure, saving retrofit costs. Application: new builds and upgrades requiring neutral or ground access. Feature: Clear dimensional footprint for planning. Business Impact: Aids installation scheduling and rack/cabinet fitment, shortening project timelines. Application: retrofits and space-constrained electrical rooms in industrial sites.
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FAQs
Plan for a three-pole, 100 A installation with a 600 V rating and fusible without neutral. Use a compatible neutral/ground lug kit if needed, ensure NEC 230.62 barrier compliance, and mount in a NEMA 4X Krydon enclosure with appropriate wire sizing (#14- #1/0 Cu/Al). Follow torque and enclosure gasketing guidelines to maintain environmental protection.
The DH363FCK uses Class H fuses designed for high interrupting ratings, enabling reliable overcurrent protection in 600 V three-wire circuits. The fusible configuration is without neutral, which simplifies wiring and maintenance while preserving safe isolation for motors and feeders in harsh environments.
Yes. The unit features a NEMA 4X enclosure and Krydon non-metallic material, which provides corrosion resistance and washdown compatibility. This makes it suitable for outdoor installations, food processing, mining, and other harsh environments where enclosure integrity is critical.
The DH363FCK is UL Listed and NEC 230.62 barrier compliant, ensuring recognized safety standards and compliant service entrances. These certifications help meet regulatory requirements for electrical installations in many industrial facilities, reducing risk during inspections and supporting contractor procurement expectations.
The design supports easy fuse replacement and straightforward wiring, minimizing outage time during maintenance. Its durable Krydon enclosure and UL/NEC compliance reduce risk of field failures and regulatory penalties, delivering lower total cost of ownership via reduced downtime and extended equipment life.