Eaton DH266FRKV Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH266FRKV
Quick Summary
Eaton DH266FRKV heavy duty fusible safety switch isolates electrical circuits safely in industrial power systems up to 600 V. Maintenance teams struggle with safe lockout, complex wiring, and downtime when selecting durable, compliant equipment. This unit is UL Listed, features a NEMA 3R enclosure, and adheres to NEC 230.62 barrier requirements, offering robust protection in harsh environments. Designed for heavy-duty fused switching, it enables fast installations, reliable isolation, and predictable maintenance costs, delivering long-term value for OEMs, panel builders, and facility operators.
Product Information
Extended Description
DH266FRKV Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blade, 600 A, NEMA 3R, Painted galvanized steel, Class H, Two-pole, Two-wire, 600 V, Max Hp: 50 at 250 Vdc, (1)#2-(1)600 kcmil and (1)#1/0-(1)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH266FRKV
UPC
786685971759
Product Length/Depth
58 in
Product Height
12 in
Product Width
27.5 in
Product Weight
153 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
Two-pole
Number of wires
2
Type
Heavy duty fusible safety switch
Amperage Rating
600A
HP rating - max
50 at 250 Vdc
NEMA rating
NEMA 3R
Voltage rating
600 V
Feature: 600 A amperage rating supports heavy motor loads and ensures reliable startup without nuisance trips. Business Impact: Reduces downtime and improves line throughput in 600 V systems. Application: Ideal for motor control centers and industrial feeders where robust protection and high fault current handling are required. Feature: NEMA 3R enclosure with painted galvanized steel provides excellent outdoor and washdown durability. Business Impact: Lowered corrosion risk and extended service life in harsh environments, reducing replacement cycles. Application: Outdoor equipment rooms, exposed rack assemblies, and exposed outdoor installations. Feature: Class H fuse provision and fusible without neutral configuration enable straightforward fuse changes and selective coordination. Business Impact: Minimizes maintenance time and improves safety by simplifying fuse management during routine servicing. Application: Centralized protection schemes in heavy-duty power distribution. Feature: Two-pole, two-wire design with enhanced visible blade improves status visibility and fault identification. Business Impact: Faster diagnostics and safer field operations, reducing mean time to repair. Application: Field service and panel retrofit projects where quick verification is critical. Feature: UL Listed and NEC 230.62 barrier compliance deliver regulatory peace of mind and streamlined documentation. Business Impact: Supports compliance programs and audit readiness, lowering project risk. Application: Industrial facilities, OEM panels, and code-compliant electrical installations.
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FAQs
The DH266FRKV is a heavy-duty fusible safety switch designed to safely isolate power in industrial electrical systems up to 600 V. It is suited for motor control centers, process lines, and outdoor installations where robust protection and easy fuse replacement are required. Its two-pole configuration, Class H fuse provision, and UL listing support reliable, code-compliant operation.
Yes, the DH266FRKV is UL Listed, indicating verified safety and compliance. The NEMA 3R enclosure rating means the unit is suitable for outdoor use and protected against rain, sleet, and moderate corrosion, making it appropriate for harsh environments and washdown areas where reliable protection is essential.
The switch is rated for 600 A and 600 V, with a fusible configuration that is designed without a neutral. It uses Class H fuses, enabling selective coordination and straightforward replacement. This combination provides strong protection for high-load circuits and motor-driven equipment.
Yes, the NEMA 3R enclosure and painted galvanized steel construction are intended for outdoor or exposed indoor environments. This design helps resist weathering and corrosion, supporting long service life in facilities such as outdoor substations, loading docks, and exterior switchgear rooms.
Plan for periodic fuse inspection and replacement, verify visible blade status during routine checks, and ensure panel labeling is up to date for code compliance. The two-pole, two-wire design simplifies diagnostics, while the Class H fuse provision supports fast, safe maintenance without compromising system protection.