Eaton DH327FPKV Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH327FPKV
Quick Summary
Eaton DH327FPKV heavy-duty fusible safety switch delivers reliable power isolation for 3-phase motor circuits in industrial plants. Maintenance teams often grapple with ensuring enclosure integrity and safe disconnects in dusty, corrosive, or washdown environments. UL Listed, a rugged NEMA 4 painted steel enclosure, and Class L fuse provisions help meet safety and reliability standards across demanding applications. The HDSS design supports streamlined installation, compatible with standard three-pole motor disconnects, and accommodates large conductor sizes, reducing retrofit complexity and material cost. For OEMs and industrial facilities, this translates to improved uptime, simpler routine maintenance, and long-term cost savings while ensuring compliance with applicable codes and performance specs for motors, drives, and protective devices.
Product Information
Extended Description
DH327FPKV Eaton: Eaton Enhanced visible blade single-throw safety switch, Enhanced visible blade, 800 A, NEMA 4, Painted steel, Class L, Fusible without neutral, Three-pole, Three-wire, 240 V, Max Hp: 100 hp (3PH @Std), (4)#1/0-(4)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH327FPKV
UPC
786685972992
Product Length/Depth
57.5 in
Product Height
12.38 in
Product Width
27.5 in
Product Weight
163 lb
Certifications
UL Listed
Catalog Notes
Heavy Duty Safety Switch (HDSS)
Enclosure
NEMA 4
Enclosure material
Painted 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
800A
HP rating - max
100 hp (3PH @Std)
NEMA rating
NEMA 4
Voltage rating
240V
Feature: Enhanced visible blade provides immediate status visibility during operation, enabling faster fault identification and safer maintenance. Business Impact: Reduces downtime and increases confidence during disconnection procedures, lowering the risk of accidental energization. Application: Ideal for high-use manufacturing lines and packaging operations where quick verification matters. Feature: 800 A amperage rating at 240 V supports demanding motor loads and feeders. Business Impact: Supports large horsepower drives (up to 100 hp max for 3-phase), enabling tighter electrical zoning and fewer upstream devices. Application: conveyors, pumps, and large motors in continuous-operation environments. Feature: NEMA 4 enclosure with painted steel construction resists dust, water spray, and washdowns. Business Impact: Extends service life in outdoor or dirty environments, reducing corrosion-related maintenance costs. Application: outdoor equipment rooms and factory floors with harsh conditions. Feature: Class L fuse provision and fusible without neutral configuration simplify coordination and maintenance. Business Impact: Simplified stocking and safer fuse changes, minimizing machine downtime. Application: standard motor control centers and remote switchgear. Feature: Cable compatibility for #1/0 to 750 kcmil Cu/Al conductors enables flexible wiring options. Business Impact: Fewer field splices and bus bar changes, lowering installation time and material waste. Application: power distribution in large facilities and OEM assemblies. Feature: Three-pole, three-wire configuration supports robust, balanced switching of 3-phase systems. Business Impact: Ensures consistent fault clearing and protection across phases, improving reliability. Application: high-power motor circuits and drive-ready installations.
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FAQs
The DH327FPKV is a three-pole, three-wire fusible safety switch designed for heavy-duty motor protection in 3-phase systems. It features a NEMA 4 enclosure and a footprint suitable for standard HDSS installations. In practice, plan for a floor- or wall-mounted setup with clearance for the 57.5 inch depth, 27.5 inch width, and 12.38 inch height. Ensure appropriate routing for 4 #1/0 to 4 × 750 kcmil conductors within the Class L fuse configuration.
Key specs include an 800 A amperage rating at 240 V with a three-pole, three-wire design. It uses fusible protection without a neutral and includes a Class L fuse provision. Conductor sizes accommodate 4/0 to 750 kcmil (Cu/Al) as part of the power distribution assembly, enabling flexible wiring for large motor feeders and feeders to panels or drives.
Yes. The DH327FPKV features a NEMA 4 enclosure and painted steel construction, designed to withstand dust, water spray, and washdown conditions typical of industrial plants. This makes it suitable for both indoor and outdoor installations in demanding environments, reducing corrosion and maintenance needs while preserving safety.
The DH327FPKV is UL Listed, which confirms compliance with applicable safety standards for industrial electrical equipment. The NEMA 4 enclosure rating also aligns with protection against elements found in harsh manufacturing environments, supporting regulatory and operator safety expectations across industries.
Despite being a switch, the DH327FPKV is built for high durability with a rugged enclosure and reliable fusible protection. The resulting benefits include improved uptime, safer maintenance procedures, and reduced downtime when servicing motor circuits. When integrated into existing lines and OEM equipment, this translates to lower maintenance costs and longer mean time between failures (MTBF) for critical motor loads.