Eaton DH365NGKLPR Heavy Duty Safety Switch - UL Listed
Part Number: DH365NGKLPR
Quick Summary
DH365NGKLPR is a heavy-duty safety switch designed to isolate three-phase power up to 400 A at 600 V for demanding industrial applications. This model helps engineers avoid ad-hoc disconnects that complicate maintenance and risk noncompliance. UL Listed certification, a rugged NEMA 1 enclosure, and the Posi-Lok reverse pin feature reinforce safe operation in vibration-prone environments. The Series K design supports reliable, long-life performance, even in high-cycle duty with fusible solid-neutral configurations. By combining robust electrical protection with straightforward wiring and mounting, this switch lowers downtime, simplifies spare-part inventories, and lowers total cost of ownership for industrial facilities.
Product Information
Extended Description
DH365NGKLPR Eaton: Eaton Quick Connect Safety Switch, Heavy Duty, Single-Throw, 400A, 600V,3P, Fusible with solid neutral, Series K, NEMA 1, Posi-Lok reverse pin
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH365NGKLPR
UPC
786685372358
Product Length/Depth
32.87 in
Product Height
74.34 in
Product Width
16.1 in
Product Weight
370 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
Special features
Posi-Lok reverse pin
Type
Heavy Duty, Single-Throw
Amperage Rating
400A
Number Of Poles
Three-pole
Voltage rating
600 V
Enclosure
NEMA 1
Fuse configuration
Fusible with solid neutral
Series
Series K
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - DH365NGKLPR
Feature: Three-pole design rated for 400 A at 600 V with fusible solid-neutral configuration. Business Impact: Delivers dependable, high-current isolation for critical loads, reducing mis-wiring risk and enabling easier upstream protection coordination. Application: Ideal for large motor controls, press lines, and packaging equipment in industrial plants, where downtime directly impacts throughput. Long-tail keywords integrated include three-pole safety switch, 400A disconnect, and fusible safety switch for heavy industry. Feature: NEMA 1 indoor enclosure with robust mechanical construction. Business Impact: Provides dust and ingress resistance appropriate for factory floors, improving system reliability and reducing maintenance cycles. Application: Suitable for indoor electrical rooms and equipment cabinets in manufacturing. Feature: Posi-Lok reverse pin mechanism. Business Impact: Ensures secure engagement during installation and maintenance, minimizing contact wear and misalignment in vibration-prone environments. Application: Field and rack-mounted switches in dynamic production lines. Feature: Series K heavy-duty design with UL Listed certification. Business Impact: Supports compliance with electrical codes and reduces engineering validation time, accelerating project schedules. Application: Standard in industrial switchgear assemblies and retrofit projects. Feature: Fuse configuration Fusible with solid neutral. Business Impact: Enables controlled fault clearing and safer de-energization sequences, limiting downstream damage. Application: Critical power feeds to motors and lines requiring reliable protection. Feature: Built-in 600 V, 3P capability with NEMA 1 enclosure and 400 A rating. Business Impact: Handles high-power systems while maintaining compact footprint and straightforward wiring. Application: Industrial distribution panels and process lines where rugged performance is essential.
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FAQs
Begin with verifying the catalog number and ratings (DH365NGKLPR, 400 A, 600 V, 3P) and confirm the fusible with solid neutral configuration. Mount the unit in a compliant indoor space (NEMA 1 enclosure), connect three-phase conductors to the line terminals, and secure the neutral and ground as specified. Use the Posi-Lok reverse pin during assembly to ensure correct engagement, then perform a functional check and safety tagout prior to energization. Maintain appropriate clearances per enclosure and panel guidelines to support future maintenance and fault isolation.
The fusible with solid neutral configuration provides a predictable fault path, enabling selective protection and easier fuse replacement without disturbing other circuit elements. This setup improves fault clarity, reduces nuisance trips, and supports coordinated protection schemes in 3P networks. In practice, it translates to shorter downtime during maintenance and safer startup sequences for motors and critical loads.
Yes. The DH365NGKLPR is designed for indoor use with a NEMA 1 enclosure, offering basic protection against dust and incidental contact. This makes it well-suited for controlled factory floors, control rooms, and electrical cabinets where dust and debris are present but moisture exposure is limited. For harsher environments, consider additional enclosure protection or location planning to preserve long-term reliability.
Eaton backs the DH365NGKLPR with a standard warranty policy (25-000), covering one year from installation or eighteen months from shipment, whichever occurs first. Routine maintenance includes periodic inspection of terminations, verification of the Posi-Lok pin engagement, and replacement of fusible links as needed. For spare parts and service, consult Eaton's catalog and authorized distributors to maintain performance and code compliance.
The DH365NGKLPR delivers a lower total cost of ownership through reduced downtime, faster fault isolation, and simplified maintenance due to its solid-neutral fusible design and secure Posi-Lok pin. Its UL Listed compliance supports regulatory acceptance, while the rugged Series K construction minimizes replacement cycles in high-cycle applications. In practice, this translates to improved line uptime, predictable maintenance planning, and longer asset life for critical power feeds.