Eaton DH367FDK Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH367FDK
Quick Summary
Eaton DH367FDK heavy duty fusible safety switch isolates power safely in industrial control panels and service entrances. It addresses common challenges like nuisance trips and limited protection by delivering a robust 800 A rating with Class L fuses for dependable protection. UL Listed, NEC 230.62 barrier-compliant, and housed in a NEMA 12/3R enclosure, it meets code requirements in harsh environments. For system integrators and maintenance teams, this switch provides a straightforward path to compliant isolation, faster installation, and predictable downtime performance, while supporting scalable feeder configurations and service entrance reliability.
Product Information
Extended Description
DH367FDK Eaton: Eaton Heavy duty single-throw fused safety switch, 800 A, NEMA 12/3R, Painted galvanized steel, Class L, Fusible without neutral, Three-pole, Three-wire, 600 V, Max Hp: 500, 500 hp (3PH @480/600 V), (4)#1/0-(4)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH367FDK
UPC
782113589848
Product Length/Depth
14.25 in
Product Height
71.75 in
Product Width
25.38 in
Product Weight
168 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 12, NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Class L
Fuse configuration
Fusible without neutral
Number Of Poles
Three-pole
Number of wires
3
Type
Heavy duty fusible safety switch
Amperage Rating
800A
HP rating - max
500, 500 hp (3PH @480/600 V)
NEMA rating
NEMA 12/3R
Voltage rating
600 V
Product Category
Heavy Duty, Fusible without neutral
Feature: 800 A amperage rating → Business Impact: enables high-load feeders and motors without upsizing devices, reducing panel counts and cost → Application: main distribution and motor feeders in manufacturing lines. Feature: 600 V voltage rating → Business Impact: accommodates typical industrial power distribution, improving compatibility across installations → Application: 3-phase, 600 V systems in OEM and retrofit projects. Feature: NEMA 12, NEMA 3R enclosure → Business Impact: provides indoor/outdoor protection and rugged durability, lowering environmental risk and maintenance → Application: plant floors, warehouses, and protected outdoor areas. Feature: Class L fuse provision, Fusible without neutral → Business Impact: simplifies protection strategy and reduces inventory with standardized fuse types → Application: service entrances and feeders with compact, reliable isolation. Feature: Three-pole, three-wire configuration → Business Impact: simplifies wiring, reduces installation time, and improves safety margins during maintenance → Application: standard three-phase power distribution. Feature: Service entrance compatibility with lug kit option → Business Impact: enables seamless integration into new builds and retrofits with neutral/ground lug versatility → Application: service entrance panels and switchgear installations. Feature: UL Listed, NEC barrier compliance, robust enclosure → Business Impact: ensures regulatory alignment and safer installations, reducing compliance risk and audit findings → Application: code-compliant installations in industrial facilities. Feature: Durable painted galvanized steel enclosure and 168 lb weight → Business Impact: durable protection against corrosion and robust field handling, lowering long-term maintenance costs → Application: installation in demanding environments with long service life.
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FAQs
When installing the DH367FDK in service entrances, ensure proper mounting clearance, access for maintenance, and compatibility with a neutral or ground lug kit as needed. The unit supports a neutral/ground lug option and is UL Listed, aiding compliance with NEC requirements. Plan for correct conductors and torque specs per Eaton documentation to maximize reliability and lifecycle performance.
The DH367FDK delivers 800 A amperage rating with a 600 V voltage rating, configured as a three-pole, three-wire fusible safety switch. It uses Class L fuses and is fusible without neutral. This combination supports high-load industrial feeders and motors while maintaining safe isolation and straightforward maintenance in demanding environments.
Yes, the DH367FDK is UL Listed and designed to meet NEC 230.62 barrier requirements. It is enclosed in a NEMA 12/3R-rated enclosure, making it suitable for indoor and exterior applications in regulated environments. These certifications help ensure code compliance, safety, and reliable operation for industrial installations.
This switch is ideal for service entrances, motor control centers, and main feeder applications in manufacturing, packaging, and process environments. Its 800 A rating and NEMA 12/3R enclosure support reliable isolation for large loads, while the lug-kit compatibility allows flexible integration with neutral or ground schemes in retrofit projects.
The DH367FDK reduces downtime by providing robust, code-compliant isolation with a long service life and minimal nuisance tripping. Its durable painted galvanized steel enclosure withstands industrial conditions. A one-year warranty (or eighteen months from shipment) complements proactive maintenance practices, helping to lower total cost of ownership through fewer field failures.