Eaton DD327NWKW-00V3 Double Door Fused Safety Switch - UL Listed
Part Number: DD327NWKW-00V3
Quick Summary
Eaton double door fused safety switch provides safe motor isolation for industrial control panels. This robust unit helps keep downtime down and safety up by delivering clear line and load voltage indicators during maintenance. UL Listed certification backs electrical safety compliance, while the NEMA 4X enclosure and Class L fuse protection deliver dependable performance in washdown and harsh environments. With an 800 A rating at 240 V and a three-pole, four-wire configuration, it supports high-demand applications and simplifies integration with existing gear, driving safer, more reliable production lines and easier procurement for OEMs and maintenance teams alike.
Product Information
Extended Description
DD327NWKW-00V3 Eaton: Eaton Double door single-throw fused safety switch, Voltage indicator line and load side, 800 A, NEMA 4X, Class L, Fusible with neutral, Three-pole, Four-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
DD327NWKW-00V3
UPC
786679173107
Product Length/Depth
86.73 in
Product Height
22.16 in
Product Width
26.57 in
Product Weight
300 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
Double Door Isolation Switch w/ Line&Load Voltage Indicators
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Fuse configuration
Fusible with neutral
Number Of Poles
Three-pole
Number of wires
4
Type
Heavy duty double door safety switch
Amperage Rating
800A
Fuse class provision
Class L
HP rating - max
500, 500 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 - DD327NWKW-00V3
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 800 A amperage rating with three-pole, four-wire configuration. Business Impact: Enables high-current motor protection for large loads without nuisance tripping, reducing unplanned downtime and improving service life of connected drives. Application: Motor control centers and process lines handling large pumps and fans in manufacturing facilities. Feature: Fusible with neutral fuse configuration and Class L protection. Business Impact: Provides precise coordination with feeder circuits, lowering arc-flash risk and extending equipment life through appropriate protection levels. Application: Heavy-duty line protection in critical process equipment. Feature: NEMA 4X stainless steel enclosure with 304-grade material. Business Impact: Delivers corrosion resistance and washdown durability, lowering maintenance costs and extending service intervals. Application: Food and beverage, chemical, and outdoor installations requiring water and dust ingress resistance. Feature: Line and load voltage indicators with window. Business Impact: Quick status verification minimizes diagnostic time and supports safer, faster routine maintenance. Application: Panel repair, troubleshooting, and routine safety checks in busy plant environments. Feature: 240 V voltage rating with 500 hp max (3PH @480/600 V). Business Impact: Supports high-power motors and large-capacity drives, enabling streamlined modernization without panel redesigns. Application: Industrial plants upgrading to higher horsepower machinery. Feature: 4 #1/0 to 4 Ă— 750 kcmil conductor capacity. Business Impact: Facilitates flexible wiring options and easier field termination for complex installations. Application: Large feeders and motor feeds in MCCs and switchgear. Feature: UL Listed certification and watertight, heavy-duty construction. Business Impact: Ensures regulatory compliance and reliability in demanding environments, boosting procurement confidence and uptime. Application: Compliance-driven purchasing for OEMs and end users seeking durable isolation switches.
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FAQs
The DD327NWKW-00V3 is a three-pole, four-wire design rated for 240 V and supports conductors from #1/0 up to 750 kcmil. It uses a fusible with neutral configuration and includes line and load voltage indicators, enabling straightforward installation in new builds or panel retrofits with existing MCCs and control circuits.
Key ratings include 800 A amperage, 240 V voltage, and a 500 hp maximum for three-phase motors at 480/600 V. Protection is provided by Class L fuse provisions within a UL Listed enclosure, combining high current capability with reliable fuse coordination for demanding motor loads.
Yes. The enclosure is NEMA 4X with 304 stainless steel, delivering corrosion and washdown resistance suitable for harsh environments such as food processing, chemical, and outdoor applications, helping maintain performance in challenging conditions.
The unit is UL Listed, which supports compliance with recognized electrical safety standards. It also features a NEMA 4X enclosure and a robust heavy-duty design, aligning with industry expectations for reliability in demanding industrial settings.
With its durable 304 stainless steel enclosure and voltage indicators, maintenance time is reduced during inspections and fault finding. The solid protection reduces unplanned downtime, and the one-year warranty (or 18 months from shipment) provides a clear service-life expectation, improving total cost of ownership for long-running production lines.