Eaton DH366FRKV Heavy duty fusible safety switch - UL Listed
Part Number: DH366FRKV
Quick Summary
Eaton heavy duty fusible safety switch DH366FRKV is designed to provide safe isolation for large industrial electrical circuits. Facilities often struggle with space constraints, wiring complexity, and compliance gaps when switching high-current loads. UL Listed certification, a NEMA 3R enclosure, and NEC 230.62 compliant barrier help ensure safe, code-compliant installations in indoor and outdoor environments. With a rugged galvanized steel enclosure and a three-pole 600 A, 600 V rating, this switch supports reliable power distribution while simplifying maintenance and future upgrades. This combination of protection, durability, and ease of service positions it as a robust choice for plant-wide safety and efficiency improvements in industrial settings.
Product Information
Extended Description
DH366FRKV Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blades, 600 A, NEMA 3R, Painted galvanized steel, Class H, Fusible without neutral, Three-pole, Three-wire, 600 V, (1)#2-(1)600 kcmil; and (1)#1/0-(1)750 kcmil Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH366FRKV
UPC
786685971957
Product Length/Depth
64 in
Product Height
13 in
Product Width
25.5 in
Product Weight
120 lb
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Catalog Notes
Heavy Duty Safety Switch (HDSS)
Enclosure
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
600A
NEMA rating
NEMA 3R
Voltage rating
600 V
Feature: 600 A amperage rating with a three-pole configuration and fusible without neutral. Business Impact: Enables safe isolation of high-current feeders while minimizing neutral handling complexity, reducing fault propagation risk. Application: Motor control centers and large distribution panels in manufacturing environments benefit from reliable disrupt/restore cycles without compromising safety. Long-tail keywords: three-pole safety switch, 600 A disconnect, fuse configuration without neutral. Feature: NEMA 3R enclosure finished in painted galvanized steel. Business Impact: Provides weather- and corrosion-resistant protection for outdoor and semi-exposed installations, lowering maintenance costs and downtime. Application: Outdoor substations, sheltered exterior panels, and plant perimeters. Long-tail keywords: NEMA 3R enclosure, galvanized steel electrical enclosure, outdoor power distribution. Feature: Class H fuse provision with fusible configuration. Business Impact: High-performance protection with predictable interruption; supports selective coordination and improved system reliability. Application: Main feeder disconnects and feeder protection in high-load environments. Long-tail keywords: Class H fuse, fuse protection, selective coordination. Feature: Enhanced visible blades and rugged HDSS design. Business Impact: Safer, quicker operation during maintenance and faster fault identification, reducing exposure time for technicians. Application: Routine switch operations, field servicing, and emergency isolation. Long-tail keywords: visible blade design, HDSS, heavy duty safety switch. Feature: Compliance and certifications (UL Listed, NEC 230.62 barrier). Business Impact: Streamlines regulatory approvals, reduces commissioning time, and supports code-compliant installations. Application: Industrial facilities pursuing rigorous safety and electrical codes. Long-tail keywords: UL Listed switch, NEC barrier compliance, industrial safety standards. Feature: Large conductor capacity (approximately #2 to 600 kcmil Al and #1/0 to 750 kcmil Al per literature). Business Impact: Facilitates flexible wiring options for diverse feeders and future capacity upgrades without changing hardware. Application: Heavy-load feeders in manufacturing and process industries. Long-tail keywords: conductor capacity, fusible safety switch wiring, large gauge cables.
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FAQs
The DH366FRKV is a three-pole, fusible safety switch rated for 600 A and 600 V, designed for 3-wire systems. It fits standard enclosures and supports fusible configurations without a neutral. Ensure the installation aligns with NEC 230.62 barriers and local codes, and verify conductor sizes match the unit’s capacity (up to large aluminum conductors as specified).
Key specs include a 600 A amperage rating, 600 V voltage rating, three-pole configuration, fusible without neutral, and a NEMA 3R enclosure. It uses Class H fuses for high-performance protection and supports substantial conductor sizes, enabling robust high-current isolation in demanding environments.
Yes. The unit’s NEMA 3R enclosure, painted galvanized steel construction, and UL Listing make it suitable for outdoor and semi-exposed indoor locations. The design focuses on rugged reliability and weather resistance to maintain protection and performance in challenging conditions.
The DH366FRKV is UL Listed and complies with NEC 230.62 barriers for safe isolation. Its NEMA 3R enclosure further supports compliance with environmental ratings, ensuring safer installations in industrial facilities while meeting safety and code requirements.
The unit’s visible blades, HDSS design, and robust enclosure reduce service time and exposure during maintenance, improving technician safety. Its durable components and high-current capacity translate to lower downtime and longer service life, delivering a favorable total cost of ownership in high-demand plants.