Eaton DH266NGK Heavy-Duty Fusible Safety Switch - UL Listed

Part Number: DH266NGK
Manufacturer
Eaton
Part number
DH266NGK

Quick Summary

Eaton DH266NGK heavy-duty fusible safety switch provides safe, controlled disconnection for high-current industrial power distribution. Many users struggle with reliability, space constraints, and regulatory compliance when upgrading protection schemes. UL Listed safety equipment, NEC 230.62 compliant barrier, and robust Class H fuse provisions deliver regulatory confidence in demanding environments. Designed for panel-mounted protection and switchgear integration, this solution helps minimize downtime and streamline maintenance activities. This configuration supports efficient commissioning and long-term operational reliability within industrial facilities, delivering critical protection while simplifying procurement and installation for electrical engineers and procurement teams.

Product Information

Extended Description

DH266NGK Eaton: Eaton Heavy duty single-throw fused safety switch, 600 A, NEMA 1, Painted steel, Class H, Fusible with neutral, Two-pole, Three-wire, 600 V, (1)#2-(1)600 kcmil and (1)#1/0-(1)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH266NGK
UPC
786685177083
Product Length/Depth
58 in
Product Height
12 in
Product Width
27.5 in
Product Weight
148 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 1
Enclosure material
Painted 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
600A
NEMA rating
NEMA 1
Voltage rating
600 V
Product Category
Heavy Duty, Fusible with neutral
Feature → Business Impact → Application: The DH266NGK offers a 600 A amperage rating and 600 V maximum voltage, enabling dependable protection for high-load panel sections in manufacturing lines and distribution centers, reducing fault-related downtime and minimizing arc flash exposure in critical power racks. Application: automotive assembly cells, packaging lines, and process control panels benefit from reliable isolation, faster service, and safer maintenance routines. Feature → Business Impact → Application: NEMA 1 painted steel enclosure provides durable corrosion resistance and straightforward wall or back-mount installation, improving enclosure longevity in dusty or workshop environments and reducing protective-cabinet maintenance costs. Application: metal-framed control panels in harsh factory floors and data-center auxiliary power rooms. Feature → Business Impact → Application: Two-pole, fusible-with-neutral configuration simplifies wiring and ensures balanced fault clearing, enhancing protection coordination and reducing wiring errors during installation. Application: main feeders and subpanels in industrial facilities with 600 V systems. Feature → Business Impact → Application: Class H fuse provision supports high interrupting capability and selectivity, lowering accessory replacement frequency and enabling safer, predictable disconnections during fault events. Application: heavy machinery drive panels and motor control centers. Feature → Business Impact → Application: UL Listed and NEC barrier compliance provide regulatory assurance and faster approvals for building management and electrical compliance audits. Application: facility retrofits and new installations under strict compliance regimes. Feature → Business Impact → Application: 58 in depth, 12 in height, and 27.5 in width, plus a 148 lb weight combine to form a stable, serviceable unit that fits standard electrical rooms and allows easier handling during installation and maintenance. Application: retrofit projects and new builds with limited mounting space. Feature → Business Impact → Application: Fusible with neutral configuration supports safe neutral grounding and fault-path management, reducing nuisance trips and improving system reliability. Application: large-panel distributions, machine panels, and process lines requiring reliable disconnect. Feature → Business Impact → Application: UL Listed, with a painted steel enclosure and Class H fuses, ensures regulatory alignment and reduced risk of non-compliance penalties. Application: electrical switchgear installations in regulated industrial settings. Feature → Business Impact → Application: Comprehensive spec integration (two-pole, 3 wires, 600 A rating, 600 V), accelerates procurement and reduces design ambiguity for project engineers responsible for protection devices. Application: panel upgrades and new builds demanding precise specification alignment.

Get a Quick Quote for a Eaton DH266NGK

Chat with us on WhatsApp - fast responses guaranteed

Need to speak with someone? We'll call you back within 2 hours during business hours

Interested in Eaton DH266NGK? Enquire Now

FAQs

The DH266NGK is a two-pole, fusible-with-neutral device designed for NEMA 1 painted steel enclosures. It accepts a 3-wire arrangement and supports conductor sizes up to #2 to 600 kcmil or #1/0 to 750 kcmil Cu/Al, suitable for panel-mounted installations in 600 V systems. Ensure proper clearance, barrier compliance per NEC 230.62, and secure mounting to maintain safe access for maintenance.
Key ratings include a 600 A amperage rating, 600 V voltage rating, NEMA 1 enclosure, and Class H fuse provision. The unit is fusible with neutral and uses a two-pole configuration, designed for high-current protection while maintaining a clear fault path and reliable shutdown during overload events.
Yes. The DH266NGK is designed with NEC 230.62 compliant barrier features and UL Listing, providing regulatory alignment for panel protection and safe disconnects. This makes it suitable for industrial electrical rooms, power distribution panels, and motor control centers requiring strict barrier and safety standards.
The switch is UL Listed and ships with Eaton’s warranty policy, which states one year from installation or eighteen months from shipment, whichever occurs first. This coverage supports maintenance planning and reduces risk during early-stage commissioning.
By combining a robust 600 A protection device with a durable NEMA 1 enclosure, Class H fusing, and UL NEC-compliant barriers, the DH266NGK reduces downtime, extends service intervals, simplifies wiring, and speeds regulatory approvals—delivering lower life-cycle costs and faster time-to-operational readiness for heavy-duty electrical installations.