Eaton DH264NCK Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH264NCK
Quick Summary
Eaton heavy duty fusible safety switch provides dependable isolation for demanding industrial power distribution. It is designed to simplify safety compliance while delivering robust protection in harsh environments. Engineers often struggle with downtime, arcing, and complex wiring in switchgear installations; this unit mitigates risk with a rugged NEMA 4X enclosure, Krydon body, and Class H fusible protection with neutral. UL Listed status, NEC 230.62 barrier compliance, and industry-standard voltage ratings (600 V) help streamline approvals and field service. For procurement teams, the combination of a 200 A rating and up to 50 hp (1Ph @480–600 V) translates to reliable performance, reduced maintenance, and easier integration into existing electrical protection and circuit control architectures.
Product Information
Extended Description
DH264NCK Eaton: Eaton Heavy duty single-throw fused safety switch, 200 A, NEMA 4X, Non-metallic, KRYDON, Class H, Fusible with neutral, Two-pole, Three-wire, 600 V, Max Hp: 50, 50 hp/50 hp (1PH @480,600 V TD/600 Vdc), #6-300 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH264NCK
UPC
786685161983
Product Length/Depth
16.46 in
Product Height
27.25 in
Product Width
24.25 in
Product Weight
77 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.
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Enclosure
NEMA 4X
Enclosure material
Non-metallic, KRYDON
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
Wire size
#6 AWG-300 kcmil Cu/Al
Amperage Rating
200A
HP rating - max
50, 50 hp/50 hp (1PH @480,600 V TD/600 Vdc)
NEMA rating
NEMA 4X (Non-Metallic)
Voltage rating
600 V
Product Category
Heavy Duty, Fusible with neutral
The DH264NCK provides a robust 200 A amperage rating in a two-pole, three-wire configuration with fusible-with-neutral capability. Feature → Business Impact → Application: NEMA 4X, non-metallic Krydon enclosure protects against dust, water, and corrosive environments, increasing equipment uptime and reducing corrosion-related failures in outdoor or wash-down areas; Application: power distribution in harsh industrial settings. Feature → Class H fuse provision delivers selective protection and fault isolation, lowering unplanned downtime and facilitating compliance with safety standards; Application: machine control cabinets and process lines. Feature → 600 V rating and 50 hp max for 1-phase operation enable scalable motor control and equipment protection; Application: manufacturing lines and packaging systems. Feature → UL Listing and NEC 230.62 barrier compliance simplify audits and installation approvals, reducing project risk; Application: new builds and retrofit projects across industrial facilities. Feature → Wire size range #6 AWG–300 kcmil Cu/Al supports flexible, future-proof wiring and easier on-site terminations; Application: large motor feeders and distribution panels. Feature → NEMA 4X enclosure and Krydon material deliver durable protection with long service life, supporting lower lifecycle costs and reduced maintenance.
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FAQs
Mount the DH264NCK on a level, clean base with clear access for wiring and maintenance. Use the two-pole, three-wire configuration and connect conductors within the #6 AWG to 300 kcmil Cu/Al range. Verify fusible-with-neutral wiring and observe NEC 230.62 barrier requirements and UL-listed components during installation.
The switch provides a 200 A amperage rating and a 600 V maximum voltage, with a 50 hp maximum for single-phase operation at 480–600 V (TD/600 Vdc). It uses Class H fuses, a NEMA 4X non-metallic Krydon enclosure, and supports #6 AWG–300 kcmil Cu/Al conductors, enabling safe and scalable motor protection.
Yes. The DH264NCK features a NEMA 4X enclosure and Krydon non-metallic construction designed for rugged, wash-down, and outdoor environments. It is UL Listed and NEC-compliant, ensuring protection against contaminants and enabling reliable protection in demanding industrial settings.
The DH264NCK is UL Listed and NEC 230.62 barrier compliant, with a NEMA 4X enclosure. These certifications support safety verification, code compliance, and smoother project approvals, reducing design risk and streamlining audits and inspections.
The fused-with-neutral design provides precise fault isolation, reducing nuisance trips and downtime. Its durable Krydon enclosure, 200 A capacity, and 50 hp rating support scalable automation with lower lifecycle costs. UL listing and NEC compliance help avoid compliance penalties, contributing to predictable maintenance budgets and better ROI over the system’s lifetime.