Eaton DH464FDKV Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH464FDKV
Quick Summary
Eaton DH464FDKV heavy duty fusible safety switch provides reliable circuit protection for heavy industrial and commercial electrical systems. Maintenance teams often struggle with unclear switch status and long downtime during lockout, testing, or replacement. It carries UL Listed certification and is housed in a rugged NEMA 12, NEMA 3R enclosure for reliable operation in harsh environments. With a 200 A rating, 600 V capability, and four-pole wiring, it integrates seamlessly into existing plant power distribution and helps reduce downtime through quick installation and clear status visibility. Designed for heavy commercial and industrial applications, it supports 4-wire configurations and copper/aluminum conductor sizes up to #6-300 kcmil, aligning with procurement workflows and safety standards.
Product Information
Extended Description
DH464FDKV Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blades, 4 blade, 200 A, NEMA 12/3R, Cartridge, Four-pole, Four-wire, 600 V, Max Hp: 125, 150/ 40 hp (480,600 V @3PH/250 Vdc), 600 V, #6-300 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH464FDKV
UPC
786680181016
Product Length/Depth
37.5 in
Product Height
11.5 in
Product Width
19 in
Product Weight
58 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed
Catalog Notes
Enhanced Visible-Blade (No Window)
Enclosure
NEMA 12, NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Cartridge
Fuse configuration
Fusible without neutral
Number Of Poles
Four-pole
Number of wires
4
Type
Heavy duty fusible safety switch
Amperage Rating
200A
HP rating - max
125, 150/ 40 hp (480,600 V @3PH/250 Vdc)
NEMA rating
NEMA 12/3R
Voltage - max
600 V
Voltage rating
600 V
Application
Heavy commercial and industrial
Series
K
Feature: Enhanced Visible-Blade design improves visibility of switch status. Business Impact: Reduces maintenance time and operator error during lockout/tagout, increasing uptime. Application: Service panels and electrical rooms where quick status checks are critical. Feature: Heavy duty cartridge fuse with four-pole, four-wire configuration. Business Impact: Provides reliable line-side protection for motors and feeders, minimizing arc-flash risk and equipment damage. Application: Plant main feeders and motor control centers in industrial facilities. Feature: NEMA 12, NEMA 3R enclosure in painted galvanized steel. Business Impact: Delivers rugged protection against dust, moisture, and corrosion, lowering maintenance costs. Application: Indoor and outdoor installations in challenging environments. Feature: 200 A amperage rating and 600 V maximum voltage. Business Impact: Supports high-power circuits with predictable fault isolation and lifecycle cost reduction. Application: Heavy commercial and industrial electrical distributions. Feature: Conductor compatibility up to #6-300 kcmil Cu/Al. Business Impact: Enables flexible wiring options and seamless retrofits within existing panels. Application: New installations and upgrades in expanding facilities.
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FAQs
Installation requires mounting the unit in a suitable NEMA-rated enclosure, wiring four poles to four conductors, and pairing with cartridge fuses as specified. Ensure conductors Cu or Al up to #6-300 kcmil are used, and follow lockout/tagout procedures. The four-wire configuration simplifies 3-phase connections and minimizes wiring errors during retrofits.
This model delivers a 200 A amperage rating with a 600 V maximum, four-pole, four-wire operation, cartridge fuse protection, and UL Listed certification. It supports HP ratings up to 125–150/40 hp across 480/600 V and 250 Vdc, and is designed for NEMA 12/3R environments, making it suitable for demanding industrial loads.
Yes. The unit comes in a rugged NEMA 12, NEMA 3R enclosure housed in painted galvanized steel, providing protection against dust, moisture, and corrosion. UL Listed certification further supports regulatory compliance, while the enclosure design ensures reliable operation in both indoor and outdoor industrial settings.
Benefits include reduced downtime from enhanced visible blades that allow quick status verification, a cartridge fuse design that simplifies replacement, and a robust enclosure that minimizes maintenance needs. The UL Listing and durable construction contribute to longer service life, predictable performance, and lower total cost of ownership in demanding facilities.
The official Eaton specification sheet for DH464FDKV is available at Eaton’s site: https://www.eaton.com/us/en-us/skuPage.DH464FDKV.pdf. This document provides detailed electrical ratings, enclosure details, conductor sizes, mounting dimensions, and installation guidelines.