Eaton DH265NDK Fusible Safety Switch - UL Listed
Part Number: DH265NDK
Quick Summary
Eaton DH265NDK heavy duty fusible safety switch provides robust circuit protection for industrial power distribution and control panels. End users often face downtime from slow isolation or noncompliant enclosures, hampering safety and productivity. This model combines UL Listed certification, NEC 230.62 (C) compliant barrier, and a rugged NEMA 12/3R enclosure to meet code and protect the plant environment. With a neutral fused configuration and a 400 A rating, it supports reliable protection for motor control centers and distributed power systems, while helping maintenance teams reduce spare parts inventory and downtime costs. Designed for harsh manufacturing floors and outdoor service areas, it aligns with industrial procurement goals of safety, compliance, and total cost of ownership.
Product Information
Extended Description
DH265NDK Eaton: Eaton Heavy duty single-throw fused safety switch, 400 A, NEMA 12/3R, Painted galvanized steel, Class H, Fusible with neutral, Two-pole, Three-wire, 600 V, Max Hp: 50 at 250 Vdc, (2)#1/0-(2)300 kcmil or (1)#1/0-(1)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH265NDK
UPC
786685926360
Product Length/Depth
64 in
Product Height
13 in
Product Width
26 in
Product Weight
115 lb
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Enclosure
NEMA 12, NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Class H
Fuse configuration
Fusible with neutral
Number Of Poles
Two-pole
Number of wires
3
Type
Heavy duty fusible safety switch
Amperage Rating
400A
HP rating - max
50 at 250 Vdc
NEMA rating
NEMA 12/3R
Voltage rating
600 V
Feature: The DH265NDK delivers a 400 A amperage rating with a 600 V capacity in a two-pole, three-wire configuration, fusible with neutral. Business impact: This setup enables precise fault interruption and safe disconnection of feeders under heavy loads, improving system reliability, protecting personnel, and reducing arc-flash exposure during maintenance. Application: Ideal for motor control centers and large power feeders in manufacturing lines where high fault currents demand fast, coordinated isolation. Feature: A rugged NEMA 12, NEMA 3R enclosure is constructed from painted galvanized steel. Business impact: It provides dust, moisture, and corrosion resistance, lowering maintenance costs and extending service life in harsh plant environments. Application: Suitable for indoor plant floors and outdoor installations near equipment bays, where environmental exposure is common. Feature: Fuse class provision is Class H with fusible configuration including a neutral. Business impact: Offers robust overcurrent protection with high interrupting capability, enabling selectivity and reducing nuisance trips that disrupt production. Application: Critical control circuits and plant feeders requiring reliable protection while maintaining clear fault signaling. Feature: Conductor capacity supports two #1/0 to (2) 300 kcmil or one #1/0 to (1) 750 kcmil copper or aluminum conductors. Business impact: Flexible wiring options simplify installation, reduce field splices, and accommodate future capacity upgrades without changing the switchgear. Application: Large feeders to MCCs and distribution panels in evolving automation systems. Feature: Physical size and weight measure 64 inches in length, 26 inches in width, and 13 inches in height, with a listed 115 lb weight. Business impact: Predictable footprint helps layout planning and structural load calculations, while manageable weight eases handling and installation in constrained spaces. Application: Retrofit projects and new builds in space-constrained automation rooms where cabinet depth matters. Feature: Certifications and compliance include UL Listed status and NEC 230.62 barrier compliance. Business impact: Streamlines regulatory audits and procurement with verifiable standards, supporting safer, code-compliant installations and smoother commissioning. Application: Any industrial facility needing documented safety certification and protective barriers within control panels and distribution enclosures.
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FAQs
Begin by validating enclosure mounting space for the 64 in length and 26 in width, then mount the two-pole, three-wire unit on a secure frame. Remove the cover to access terminals, connect conductors within the specified ranges (#1/0 to 300 kcmil or up to 750 kcmil Cu/Al), and install the Class H fuse with neutral. Verify NE C barrier compliance and ensure UL Listed wiring practices are followed during commissioning.
The switch is rated for 400 A and 600 V, with HP rating up to 50 at 250 Vdc. It is a two-pole, three-wire fusible with neutral and uses a Class H fuse. Enclosure is NEMA 12 / 3R, and it carries UL Listed certification along with NEC 230.62 barrier compliance.
Yes. The DH265NDK features a NEC 230.62 (C) compliant barrier, which helps limit exposed live parts and supports code-compliant installations in industrial environments. This barrier, combined with UL Listed certification, facilitates safer maintenance and audits.
This heavy-duty fusible safety switch is ideal for motor control centers, large feeders, and power distribution panels in manufacturing facilities. Its 400 A capacity, 600 V rating, and NEMA 12/3R enclosure make it suitable for both indoor plant floors and protected outdoor locations near equipment bays.
Keep a stock of Class H fuses compatible with the switch’s neutral configuration and maintain the UL Listed integrity by inspecting enclosure seals for dust or moisture intrusion. Regularly verify barrier integrity and confirm that conductors remain within the specified size range to avoid overheating or nuisance trips.