Eaton DD325FWKW-00V3 Fused Safety Switch - UL Listed
Part Number: DD325FWKW-00V3
Quick Summary
The Eaton DD325FWKW-00V3 fused safety switch isolates power for industrial equipment, enabling safe maintenance and reliable shutdowns in demanding environments. Customers frequently struggle with corrosion, moisture ingress, and downtime when enclosures lack proper protection or are difficult to access. This unit leverages a UL Listed rating and a rugged NEMA 4X enclosure to deliver durable, corrosion-resistant performance in harsh surroundings. With 400 A capacity at 240 V and a three-pole, three-wire configuration, it supports demanding motor control and line-side protection. The integrated voltage indicators and window streamline status checks, while the heavy-duty design reduces maintenance cycles and lifecycle costs for plant-wide safety compliance.
Product Information
Extended Description
DD325FWKW-00V3 Eaton: Eaton Double door single-throw fused safety switch, Voltage indicator line and load side, 400 A, N4X, w/out neutral, Three-pole, Three-wire, 240 V, Max Hp: 250, 350 hp (3PH @480/600 V), (2)#1/0(1)#1/0-(2)300 kcmil-#1/0, or (1)175 kcmil-#1/0
Product Name
Eaton double door single-throw fused safety switch
Catalog Number
DD325FWKW-00V3
UPC
786679184158
Product Length/Depth
16.41 in
Product Height
24.32 in
Product Width
72.46 in
Product Weight
219 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
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Fuse configuration
Fusible without neutral
Number Of Poles
Three-pole
Number of wires
3
Type
Heavy duty double door safety switch
Amperage Rating
400A
Fuse class provision
Class H
HP rating - max
250, 350 hp (3PH @480/600 V)
Voltage rating
240V
Product Category
Watertight
Special features
V indicator line and load side, w/ window
Double Door Line Isolation Safety Switch
Double Door Line Isolation Safety Switch
Double Door Line Isolation Safety Switch
Double Door Line Isolation Safety Switch
Double Door Line Isolation Safety Switch
Eaton Specification Sheet - DD325FWKW-00V3
Feature: 400 A amperage rating and 240 V operation enable safe isolation for high-power motor loads. Business Impact: Supports large industrial feeders with reliable protection while reducing arc-flash risk and unintended energization. Application: Main power distribution in manufacturing lines and processing plants. Feature: NEMA 4X enclosure made from 304 stainless steel. Business Impact: Superior corrosion resistance and weatherproofing lower maintenance needs in outdoor or wash-down environments. Application: Outdoor substations, water treatment facilities, and chemical processing areas. Feature: Fusible without neutral configuration. Business Impact: Simplifies integration into existing control schemes and ensures selective coordination under fault conditions. Application: Three-wire motor control circuits and line-side protections. Feature: Voltage indicator line and load side with window. Business Impact: Quick status verification minimizes downtime during maintenance. Application: Routine inspections and safety checks in heavy industry. Feature: Heavy-duty double door design. Business Impact: Easier access for wiring, testing, and terminal maintenance, reducing service time. Application: Frequent maintenance scenarios and panel upgrades. Feature: UL Listed certification. Business Impact: Facilitates regulatory compliance and simplifies procurement approvals. Application: U.S. and Canada-based installations requiring recognized safety certification. Feature: Class H fuse provision with three-pole protection. Business Impact: Enhanced overcurrent protection and predictable fuse life, reducing spare-part costs. Application: Facility power distribution and machine control panels. Feature: Conductor compatibility up to large sizes (per spec). Business Impact: Supports scalable power applications without reconfiguring protective devices. Application: High-power motor and line-side protection in industrial facilities.
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FAQs
Install the DD325FWKW-00V3 as a three-pole, fusible switch with line and load side indicators. Ensure enclosure mounting in a suitable space and maintain clearance for wiring of up to large conductor sizes per spec. Use proper locking and labeling practices, and reference the Eaton specification sheet for terminal torque and wiring charts.
The switch handles 400 A at 240 V with a Class H fuse provision. It is designed for three-wire, three-pole configurations and supports up to 250–350 hp on 480/600 V systems. Plan for proper fuse stocking, coordinated protection, and ensure compatibility with your motor starter or MCC panels.
Yes. The enclosure is NEMA 4X rated and constructed from 304 stainless steel, delivering corrosion resistance and weather sealing suitable for outdoor or damp industrial settings, including wash-down areas and coastal facilities.
This model is UL Listed, which supports compliance with U.S. electrical safety standards. The NEMA 4X enclosure further protects against environmental ingress. Note that CE or SIL ratings are not specified in the provided data; verify regional requirements and consult the Eaton datasheet for certification details.
The product carries Eaton’s warranty policy of one year from installation or eighteen months from shipment, whichever occurs first. The combination of corrosion-resistant enclosure, robust protection, and long service life reduces downtime and maintenance costs, improving total cost of ownership in heavy-use facilities.