Eaton DD328FDKW-00V2 Fused Safety Switch - UL Listed
Part Number: DD328FDKW-00V2
Quick Summary
Eaton double door single-throw fused safety switch isolates power for industrial equipment. For maintenance teams, unplanned downtime and unsafe lockout scenarios are persistent pains. UL Listed protection, a NEMA 12/3R enclosure, and Class L fuse reliability keep circuits isolated in dusty or harsh environments. With a 1200 A rating at 240 V and up to 500 hp three-phase capability, it scales across plant sections, while a load-side voltage indicator speeds status checks. Its rugged, painted galvanized steel enclosure and three-pole design support fast, code-compliant installations in control panels and motor control centers, reducing risk and improving uptime across critical manufacturing lines.
Product Information
Extended Description
DD328FDKW-00V2 Eaton: Eaton Double door single-throw fused safety switch, Voltage indicator load side, 1200 A, NEMA 12/3R, Class L, Fusible without neutral, Three-pole, Three-wire, 240 V, Max Hp: 500, 500 hp (3PH @480/600 V), (4)#1/0-(4)750 kcmil
Product Name
Eaton double door single-throw fused safety switch
Catalog Number
DD328FDKW-00V2
UPC
786679184394
Product Length/Depth
27.18 in
Product Height
43.11 in
Product Width
91.02 in
Product Weight
575 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
1200A
Fuse class provision
Class L
HP rating - max
500, 500 hp (3PH @480/600 V)
Voltage rating
240V
Product Category
Dust tight
Special features
V indicator load side, w/ window
Double Up on Safety
Double Up on Safety
Double Up on Safety
Double Up on Safety
Double Up on Safety
Eaton Specification Sheet - DD328FDKW-00V2
Feature: High current capacity with 1200 A amperage rating and 240 V operation supports large motor circuits. Business Impact: Enables protection for heavy equipment without over-sizing or adding multiple devices, simplifying design and installation. Application: Ideal for motor control centers and plant-wide feeders in conveyors, pumps, and processing lines. Feature: Fusible without neutral configuration reduces wiring complexity and cost in three-wire systems. Business Impact: Streamlines panel wiring, lowers material costs, and simplifies protection coordination with upstream breakers. Application: Motor feeders and line-side protection in manufacturing cells. Feature: NEMA 12/3R painted galvanized steel enclosure delivers dust-tight and weather-resilient performance. Business Impact: Improves reliability in challenging environments, extending service intervals and reducing maintenance windows. Application: Indoor industrial spaces, dusty production floors, and washdown-adjacent panels. Feature: Load-side voltage indicator with window provides immediate visual status. Business Impact: Speeds safe maintenance and reduces misoperations during lockout/tagout. Application: Control panels, switchgear enclosures, and access doors in packaging and processing lines. Feature: Heavy-duty double-door design enhances accessibility and safety for maintenance personnel. Business Impact: Facilitates safer inspections and faster component replacement. Application: Large enclosures in switch rooms and equipment rooms across mid-to-large facilities. Feature: UL Listed certification plus a robust warranty supports regulatory compliance and total cost of ownership. Business Impact: Eases procurement audits and provides post-sale assurance for long-term installations. Application: Projects requiring formal compliance and dependable vendor support across industrial sites.
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FAQs
The DD328FDKW-00V2 is specified for 240 V operation but provides a max HP rating of 500 hp on 3PH systems at 480/600 V, making it suitable for sizable motor applications and scalable protection. When integrating, verify upstream protection and compatible fusing classes (Class L) to ensure coordinated protection across all circuit elements. This compatibility supports broad industrial applications, from packaging lines to pump trains, while maintaining safe isolation during maintenance.
This safety switch carries UL Listed certification, confirming compliance with recognized safety standards. It uses a NEMA 12/3R enclosure, offering dust-tight protection and rain/ice resistance for indoor and semi-exposed environments. The enclosure is made of painted galvanized steel, delivering durable performance in demanding plants. The combination of UL listing and NEMA ratings helps with regulatory audits and ensures reliable operation in harsh manufacturing settings.
The load-side voltage indicator with a window provides immediate, at-a-glance status information, enabling safer and faster lockout/tagout procedures. This reduces guesswork during maintenance, minimizes misoperations, and shortens downtime when isolating circuits for servicing. For technicians, it translates to clearer clearance verification and more efficient troubleshooting in control panels and switchgear enclosures.
Fusible without neutral indicates the switch uses fusing on the hot conductors without requiring a neutral connection for protection. This simplifies wiring for three-wire systems and reduces material costs while still delivering Class L fuse protection. In practice, this configuration is well-suited to motor feeders and three-phase circuits where neutral conductors are not part of the protection scheme.
The Eaton policy provides a one-year warranty from installation or 18 months from shipment, whichever occurs first, ensuring coverage for manufacturing defects and early-life failures. Additional support includes access to Eaton specification sheets and technical resources, plus compatibility guidance for integration with existing panels and motor control centers. This support aids in planning, procurement, and long-term maintenance planning.