Eaton DH325FRKV Heavy Duty Fusible Safety Switch - NEMA 3R
Part Number: DH325FRKV
Quick Summary
Eaton DH325FRKV heavy duty fusible safety switch is designed to provide safe isolation and protection for 3‑phase power distribution in industrial environments. When downtime, nuisance trips, or arc-flash risk threaten uptime, technicians need a rugged, compliant solution that reduces maintenance and spare-part logistics. UL Listed protection and NEC 230.62 compliant barriers, along with a NEMA 3R enclosure, deliver reliability in challenging installations. This model combines a 400 A rating with Class H fusing to support scalable motor control and feeder protection, while enabling straightforward installation, serviceability, and long-term cost efficiency for industrial facilities seeking robust safety and compliance alongside practical maintenance benefits.
Product Information
Extended Description
DH325FRKV Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blade, 400 A, NEMA 3R, Class H, Three-pole, Three-wire, 240 V, Max Hp: 50, 125/ 50 hp (3PH @Std, TD/250 Vdc), (2)#1/0-(2)300 kcmil or (1)#1/0-(1)750 kcmil Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH325FRKV
UPC
786685972619
Product Length/Depth
46.12 in
Product Height
12.5 in
Product Width
25.38 in
Product Weight
118 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
400A
HP rating - max
50, 125/ 50 hp (3PH @Std, TD/250 Vdc)
NEMA rating
NEMA 3R
Voltage rating
240V
Feature: 400 A amperage rating. Business Impact: Enables high-capacity circuit protection for large motors and feeders, reducing the need for multiple smaller switches and improving system reliability. Application: Suitable for manufacturing lines with high load demand and frequent motor starts. Feature: Three-pole, three-wire, fusible without neutral configuration. Business Impact: Simplifies wiring and minimizes neutral-related fault paths, improving reliability in three-phase systems. Application: Common in pump banks and conveyor drives where balanced load is critical. Feature: NEMA 3R enclosure with painted galvanized steel. Business Impact: Provides weather resistance and outdoor suitability, lowering enclosure corrosion risk and maintenance costs. Application: Outdoor switchgear housings or exposed indoor installations. Feature: Class H fuse provision and enhanced visible blade design. Business Impact: Delivers rapid fault clearance and clear isolation points, improving worker safety and maintenance efficiency. Application: Industrial protection schemes requiring clear, safe disconnects. Feature: UL Listed and NEC 230.62 compliant barrier. Business Impact: Ensures regulatory alignment and easier audit trails, reducing compliance overhead. Application: Facilities focused on safety compliance and risk mitigation. Feature: Max HP rating 50 and 125/50 HP (3PH @Std, TD/250 Vdc). Business Impact: Supports a wide range of motor loads with a single switch, simplifying engineering and spare parts inventories. Application: Motors and drives in packaging, material handling, and process lines.
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FAQs
Install the DH325FRKV as a three-pole, 240V disconnect with the fusible switch configured for a three-wire circuit. Mount in a NEMA 3R enclosure, verify the Class H fuse is in place, and connect line-side and load-side conductors per the enclosure's wiring diagram. Ensure UL Listed procedures are followed and NEC 230.62 barrier clearances are maintained for safe operation.
The device is rated for 400 A and 240 V, with three poles and three wires. It uses a fusible configuration without neutral and provides HP ratings up to 50 (125/50 HP for 3PH under specific conditions). The enclosure is NEMA 3R, and it employs Class H fuses with an enhanced visible blade for clear isolation.
Yes, the DH325FRKV is UL Listed and incorporates NEC 230.62 compliant barriers. It features a NEMA 3R enclosure suitable for indoor and outdoor installations, and its protection configuration aligns with common electrical safety and compliance requirements for industrial facilities.
This safety switch excels as a motor feeder or service disconnect in manufacturing lines, material handling, and process facilities. With 400 A capacity and a 240 V three-phase configuration, it supports large motor loads and provides reliable isolation for maintenance, start-up sequences, and safety-critical disconnections.
The unit’s robust NEMA 3R enclosure, UL listing, and Class H fuse reduce downtime and simplify compliance audits. Its enhanced visible blade design improves fault identification, while the fusible configuration minimizes arc-flash exposure during maintenance, contributing to safer service operations and lower lifecycle costs.