Eaton DH366FGK-LS Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH366FGK-LS
Quick Summary
The Eaton DH366FGK-LS heavy duty fusible safety switch provides a reliable disconnect for 600 A, 3-phase power in industrial environments. It addresses downtime and unexpected outages by delivering robust protection with Class H fuses and a NEMA 1 painted steel enclosure that withstands harsh shop floors. This unit is UL Listed and NEC 230.62 barrier compliant, offering essential regulatory peace of mind in panel-building and maintenance operations. Its 600 V rating and three-pole design support motors and drives with minimal wiring complexity, while the fusible without neutral configuration keeps installation straightforward. For engineers seeking dependable protection with scalable horsepower, this switch fits well with energy-management strategies and reliability goals.
Product Information
Extended Description
DH366FGK-LS Eaton: Heavy Duty Safety Switch, Single-Throw, 600A, 600V, 3P, 3W, Fusible without neutral, NEMA 1, Painted steel, Class H fuses, 200 hp at 240 Vac TD 3 Ph, 400 hp at 480 Vac TD 3 Ph, 500 hp at 600 Vac TD 3 Ph
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH366FGK-LS
UPC
782116015733
Product Length/Depth
59.73 in
Product Height
12.77 in
Product Width
23.65 in
Product Weight
0.01 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
Enclosure
NEMA 1
Enclosure material
Painted steel
Fuse class provision
Class H fuses
Fuse configuration
Fusible without neutral
Number Of Poles
Three-pole
Number of wires
3
Type
Single-Throw
Amperage Rating
600A
HP rating - max
200 at 240 Vac TD 3 Ph, 400 at 480 Vac TD 3 Ph, 500 at 600 Vac TD 3 Ph
NEMA rating
NEMA 1
Voltage rating
600 V
Product Category
Heavy Duty, Fusible without neutral
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Specification Sheet - DH366FGK-LS
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Three-pole 600 A capacity with fusible without neutral configuration. Business Impact: Enables safe, high-current protection for motors with fewer neutral connections, reducing wiring complexity and installation time. Application: Ideal for motor circuits in conveyors, pumps, and drive sections of process lines. Feature: NEMA 1 painted steel enclosure. Business Impact: Delivers durable indoor protection against dust and incidental impacts, extending service life in factory environments. Application: Suitable for control panels and switchgear closets in manufacturing plants. Feature: Class H fuses integrated. Business Impact: Provides precise short-circuit protection with predictable fault energy, minimizing downstream equipment damage. Application: Critical for motor starters and equipment with high inrush characteristics. Feature: UL Listed and NEC 230.62 barrier compliant. Business Impact: Supports regulatory compliance and safer installations with barrier separation for personnel and live parts. Application: Aligns with audits, safety programs, and installation standards in industrial facilities. Feature: HP rating and voltage compatibility. Business Impact: Demonstrates capability to protect motors up to 200 hp at 240 Vac, 400 hp at 480 Vac, and 500 hp at 600 Vac, enabling scalable control across line configurations. Application: Suitable for multi-voltage motor control centers and standalone feeders. Feature: Dimensions and wiring practicality. Business Impact: Long enclosure length (59.73 in) with compact width and height (23.65 in x 12.77 in) supports inline mounting and panel integration. Application: Fits in limited floor space while preserving accessibility for maintenance and testing.
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FAQs
DH366FGK-LS is a three-pole, 600 A fusible switch with a fusible without neutral configuration and a NEMA 1 enclosure. It integrates with standard 600 V three-phase feeders and uses Class H fuses, simplifying wiring and reducing neutral run requirements during retrofit or new builds.
The switch supports up to 200 hp at 240 VAC, 400 hp at 480 VAC, and 500 hp at 600 VAC on TD 3 Ph service, enabling scalable motor protection across varying line voltages and drive configurations.
Yes. With a three-pole 600 A design, UL Listed approval, NEC 230.62 barrier compliance, and a NEMA 1 enclosure, it is well-suited for motor control centers and process-line feeders in manufacturing environments.
This safety switch is UL Listed and NEC 230.62 barrier compliant, with a NEMA 1 enclosure suitable for indoor use. These certifications support regulatory audits and ensure safe operation within standard industrial facilities.
Warranty follows Eaton’s policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. Routine maintenance should focus on fuse integrity, enclosure cleanliness, and verifying barrier clearance for ongoing safety.