Eaton DH328FRKV Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH328FRKV
Quick Summary
DH328FRKV heavy-duty fusible safety switch protects high-current systems in industrial controls by enabling safe, rapid isolation of power. This solution addresses the challenge of reliable fault interruption in demanding environments where downtime costs money. UL Listed, a NEMA 3R enclosure, and NEC 230.62 barrier compliance provide regulatory peace of mind while rugged construction stands up to harsh conditions. The integrated Class L fuse provision and fusible without neutral support safe, code-compliant disconnects at 240 V for three-pole, three-wire installations. Enhanced visible blade improves field visibility during maintenance checks, while the galvanized steel enclosure offers long-term durability for outdoor and indoor installations. In practice, this translates to improved maintenance efficiency, safer commissioning, and predictable lifecycle performance in industrial facilities and data centers.
Product Information
Extended Description
DH328FRKV Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blade, 1200 A, NEMA 3R, Painted galvanized steel, Class L, Fusible without neutral, Three-pole, Three-wire, 240 V, (4)#1/0-(4)750 kcmil Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH328FRKV
UPC
786685973128
Product Length/Depth
72 in
Product Height
21 in
Product Width
48 in
Product Weight
455 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 L
Fuse configuration
Fusible without neutral
Number Of Poles
Three-pole
Number of wires
3
Type
Heavy duty fusible safety switch
Amperage Rating
1200A
NEMA rating
NEMA 3R
Voltage rating
240V
Feature: 1200A amperage rating with Class L fuse and fusible without neutral. Business Impact: Enables safe, rapid disconnection of large feeders, reducing arc flash exposure and downtime in high-demand lines. Application: Heavy manufacturing, metal processing, and mining environments where uninterrupted power control is critical. Feature: Enhanced visible blade design. Business Impact: Quick status recognition minimizes diagnostic time and improves maintenance throughput. Application: Regular field checks in utility substations and control rooms, where fast verification matters. Feature: NEMA 3R enclosure in painted galvanized steel. Business Impact: Robust outdoor and indoor protection against weather and corrosion, extending service life and reducing replacement costs. Application: Outdoor substations, remote process stations, and harsh factory floors. Feature: Three-pole, three-wire, 240V configuration with conductor options up to four #1/0–4 x 750 kcmil Al per pole. Business Impact: Streamlined wiring and future-proofing for large feeder upgrades, lowering installation time and labor costs. Application: Large-scale motor control centers and feeder disconnects. Feature: NEC 230.62 barrier compliance, UL Listed certification, and HDSS catalog notes. Business Impact: Regulatory compliance and dependable safety performance translate to fewer inspection holds and improved risk management. Application: Facilities requiring strict electrical protection standards, retailer and data-center environments where uptime matters.
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FAQs
The DH328FRKV is designed for three-pole, three-wire, 240V installations, providing a safe, code-compliant disconnect. It supports fusible configurations without neutral and accommodates large feeders up to four #1/0 to 750 kcmil aluminum per pole, making it compatible with common industrial feeders and motor circuits while maintaining proper labeling and safe isolation during maintenance.
Key safety features include an enhanced visible blade for quick status checks, a Class L fuse provision for controlled interruption, and a fusible switch configured for 240V three-pole service. The NEMA 3R enclosure protects against environmental exposure, while UL Listed certification confirms compliance with safety standards, collectively reducing downtime and the likelihood of arc flash incidents.
Yes. The DH328FRKV uses a NEMA 3R enclosure with painted galvanized steel, designed for both indoor and outdoor use. The enclosure provides weather resistance and corrosion protection, making it suitable for outdoor substations, remote process stations, and other exposed environments without compromising electrical safety or performance.
The switch supports large feeder conductors, including up to four #1/0 to 4 x 750 kcmil aluminum per pole. It is configured for three-pole, three-wire operation at 240V and is compatible with heavy-duty feeder designs, simplifying installation and future capacity upgrades while ensuring reliable disconnection when required.
The DH328FRKV delivers regulatory confidence with UL Listed status and NEC barrier compliance, reducing inspection risk. Its rugged construction and HDSS catalog basis improve long-term reliability, lowering replacement and maintenance costs, minimizing downtime, and enabling faster fault clearance in high-demand facilities such as manufacturing plants and data centers.