Eaton DD367NDKW-00V3 Fused Safety Switch - UL Listed
Part Number: DD367NDKW-00V3
Quick Summary
DD367NDKW-00V3 is a fused safety switch designed to safely isolate power in industrial equipment and motor control centers. Maintenance teams often face downtime from unreliable disconnects and difficult fuse changes; this unit simplifies inspection, lockout, and replacement tasks. UL Listed with a NEMA 12/3R enclosure and Class L fuse, it delivers rugged protection in dusty, harsh environments while maintaining dependable three-pole, four-wire operation. Designed for 600 V systems and up to 500 hp, it supports motor drives and power distribution across manufacturing floors and automation lines. For facilities seeking safer, compliant isolation with minimal maintenance, this switch pairs industrial safety features with straightforward installation and serviceability.
Product Information
Extended Description
DD367NDKW-00V3 Eaton: Eaton Double door single-throw fused safety switch, Voltage indicator line and load side, 800 A, NEMA 12/3R, Class L, Fusible with neutral, Three-pole, Four-wire, 600 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
DD367NDKW-00V3
UPC
786679174593
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
Enclosure
NEMA 12, NEMA 3R
Enclosure material
Painted galvanized 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)
NEMA rating
NEMA 12
Voltage rating
600 V
Product Category
Dust tight
Special features
V indicator line and load side, w/ window
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - DD367NDKW-00V3
Feature: Fusible with neutral configuration enables full line-to-load isolation and safe fault clearance. Business Impact: Reduces arc-flash risk and simplifies replacement of protective devices. Application: Suitable for three-phase 480/600 V motor circuits in MCCs and power distribution panels. Feature: Three-pole, four-wire design provides robust control across phases and neutral. Business Impact: Ensures correct grounding and balancing, improving protection for motors and drives. Application: Ideal for large-capacity drives and equipment disconnects in manufacturing facilities and processing plants. Feature: NEMA 12/3R enclosure with painted galvanized steel construction. Business Impact: Dust and moisture resistance that maintains internal electronics reliability and lowers service calls. Application: Indoor plant rooms and sheltered outdoor areas. Feature: Voltage indicator line and load side with window. Business Impact: Quick status verification during commissioning and routine maintenance. Application: Panel integration and startup checks in retrofit projects. Feature: UL Listed and Class L fuse rating up to 800 A and 500 hp. Business Impact: Compliance with safety codes while supporting high horsepower motor loads, reducing the need for multiple devices. Application: Heavy-duty disconnects in packaging, materials handling, and process lines. Feature: Large footprint and mechanical durability (86.73 in depth, 22.16 in height, 26.57 in width; 300 lb). Business Impact: Clear, rugged protection in demanding environments with long service life. Application: Space-planned installations in industrial facilities and retrofit projects.
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FAQs
Plan for a three-pole, four-wire configuration within a 600 V distribution scheme. Mount the unit in a suitable enclosure space, connect line and load conductors to the indicated terminals, and verify the neutral path if using fusible with neutral. Use the built-in voltage indicator window during commissioning to confirm proper isolation before service work.
The DD367NDKW-00V3 is rated for 800 A, 600 V, three-pole with four wires, fusible with neutral, and supports up to 500 hp at 480/600 V. It features a Class L fuse provision and a NEMA 12/3R enclosure, making it suitable for high-power motor circuits and power-distribution disconnects.
Yes. The NEMA 12/3R enclosure provides dust-tight and rain-protected protection for indoor use and sheltered locations. The painted galvanized steel enclosure adds durability, reducing maintenance needs in harsh industrial spaces and helping maintain consistent performance in long-running production lines.
The DD367NDKW-00V3 is UL Listed, signaling compliance with recognized safety standards for electrical equipment. The unit employs a NEMA 12/3R enclosure and a Class L fuse, which together support safe operation in industrial environments and alignment with typical electrical codes for motor control and power-distribution installations.
With visible voltage indicators and a load-side window, commissioning and fuse replacement are streamlined, reducing downtime. The UL Listed, rugged enclosure and 800 A rating support high-demand motor loads, potentially lowering spare-part variety and maintenance calls. The included 1-year warranty under Eaton policy further protects initial ROI during the critical deployment phase.