Eaton DD325FDKW safety switch - UL Listed, NEMA 12/3R
Part Number: DD325FDKW
Quick Summary
Eaton DD325FDKW fused safety switch delivers reliable power control for industrial control panels and machinery. This design addresses the common challenge of balancing high-load handling with safety and maintenance speed. With UL Listed certification and enclosure ratings such as NEMA 12 and NEMA 3R, the unit combines protective reliability with environmental versatility. The 400 A rating and three-pole construction support large motor circuits, while the fused configuration without neutral simplifies wiring in many industrial layouts. For buyers seeking cost-efficient, standards-compliant protection, this solution offers robust performance and installation flexibility that translates to reduced downtime and streamlined procurement.
Product Information
Extended Description
DD325FDKW Eaton: Eaton Double door single-throw fused safety switch, 400 A, NEMA 12/3R, Fusible without 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
DD325FDKW
UPC
786679184059
Product Length/Depth
70.55 in
Product Height
16.5 in
Product Width
25 in
Product Weight
234 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 12, NEMA 3R
Enclosure material
Painted galvanized 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
Dust tight
Special features
w/ window
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
Eaton Specification Sheet - DD325FDKW
Feature: 400 A amperage rating and three-pole, 240 V operation. Business Impact: Supports heavy motor loads up to 350 hp (3PH @ 480/600 V) with reliable fault isolation, reducing overload events and unplanned downtime. Application: Ideal for pumping, conveyors, and machine control panels in manufacturing environments. The result is higher uptime and predictable maintenance windows. Feature: NEMA 12, NEMA 3R enclosure in painted galvanized steel. Business Impact: Provides dust-tight and weather-resistant protection, lowering ingress-related faults and corrosion-related service costs. Application: Suitable for indoor and selected outdoor/industrial areas, simplifying site compliance and asset protection. Feature: Fusible without neutral and Class H fuse provision. Business Impact: Enables fast fault interruption with streamlined fuse replacement, lowering energy waste and maintenance time. Application: Commonly applied to large motors and process equipment where precise protection is required. Feature: Window for visual contact inspection. Business Impact: Accelerates status checks during routine maintenance, reducing labor hours and exposure risk. Application: Day-to-day plant floor checks and preventive maintenance rounds. Feature: UL Listed certification and durable construction. Business Impact: Supports regulatory compliance and procurement efficiency, reassuring safety-conscious engineering teams. Application: Readily integrated into quality-controlled electrical protection schemes and plant-wide safety programs.
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FAQs
Yes. The DD325FDKW is designed for NEMA 12/3R compatible environments, with a fusible, three-pole configuration and 240 V operation. Wiring uses three conductors and is optimized for heavy-duty motor circuits, enabling straightforward integration with existing control panels and feeders while meeting UL Listed safety requirements.
Key specs include a 400 A amperage rating, 240 V voltage, and Class H fuse provision. It is a three-pole, fusible switch arranged for 3-phase motors up to 350 hp at 480/600 V, with a fuse configuration described as fusible without neutral, enabling efficient protection and rapid fault isolation.
This fused safety switch excels in heavy machinery and process equipment control panels, including pumps, conveyors, and large motors in manufacturing and material handling. Its rugged NEMA 12/3R enclosure and window feature facilitate maintenance in dusty or mildly wet environments while preserving safety and reliability.
The DD325FDKW carries UL Listed certification, confirming conformance to recognized safety standards. Its enclosure ratings (NEMA 12, NEMA 3R) provide environmental protection for indoor and certain outdoor installations. These certifications support regulatory compliance and supplier qualification programs for industrial facilities.
Maintenance benefits come from reduced downtime due to fast fault isolation, window inspection, and durable galvanized steel construction. ROI is driven by extended motor life, lower preventive maintenance costs, and simpler replacement cycles thanks to standard fuse provisions and UL-listed reliability in demanding environments.