Eaton DH263NGK Heavy Duty Fusible Safety Switch - UL Listed

Part Number: DH263NGK
Manufacturer
Eaton
Part number
DH263NGK

Quick Summary

Eaton DH263NGK heavy duty fusible safety switch protects industrial motor circuits and control panels. Maintenance teams face unplanned downtime from fuse failures, and this unit minimizes that risk with a robust Class H fuse provision and a neutral for safe shutdown. UL Listed, NEC 230.62 barrier compliance, and a NEMA 1 painted steel enclosure deliver essential compliance and durability for indoor industrial environments. Designed for 100 A applications up to 600 V, it supports straightforward wiring and a compact footprint that eases panel integration and future upgrades, while delivering reliable protection across manufacturing lines.

Product Information

Extended Description

DH263NGK Eaton: Eaton Heavy duty single-throw fused safety switch, 100 A, NEMA 1, Painted steel, Class H, Fusible with neutral, Two-pole, Three-wire, 600 V, Max Hp: 30, 40 hp/25 hp (1PH @480,600 V TD/600 Vdc), #14-#1/0 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH263NGK
UPC
786685177052
Product Length/Depth
22.5 in
Product Height
21.99 in
Product Width
12.75 in
Product Weight
17 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
Wire size
#14-1/0 AWG Cu/Al
Amperage Rating
100A
HP rating - max
30, 40 hp/25 hp (1PH @480,600 V TD/600 Vdc)
NEMA rating
NEMA 1
Voltage rating
600 V
Product Category
Heavy Duty, Fusible with neutral
Designed for 100 A service, the DH263NGK operates up to 600 V with a two-pole, three-wire configuration and a fusible path that includes a neutral. This protects motor starters, conveyors, and control circuits with precise overcurrent protection and a safe, visible disconnect. The Class H fuse provision minimizes nuisance trips and supports quick fuse changes to reduce downtime. Enclosed in a NEMA 1 painted steel enclosure, the switch is built for indoor industrial environments and straightforward panel integration. NEC 230.62 barrier compliance helps maintain safe boundaries between power and control sections, easing regulatory reviews. UL Listed certification reinforces reliability for mission-critical applications in manufacturing, processing, and packaging lines. Wire compatibility spans #14 through 1/0 Cu/Al, enabling direct connection to common motor and feeder leads. The compact footprint—22.5 in long, 21.99 in high, 12.75 in wide—plus a 17 lb weight support flexible installation and easy relocation within existing panels. This makes upgrades faster and reduces retrofit costs while ensuring robust electrical protection. Performance ratings include 30/40 hp at 1PH for 480–600 V, with 600 V DC support, giving engineers design flexibility. The unit's Class H fuse and fusible-with-neutral configuration provide predictable, serviceable protection for critical loads. UL Listed and NEMA 1 construction together meet common industry requirements, simplifying procurement and compliance. Warranty terms offer one year from installation or eighteen months from shipment, whichever occurs first, aligning with Eaton's service policy. For new builds or plant upgrades, the DH263NGK delivers reliable protection, fast maintenance, and a clear path to regulatory compliance. The result is reduced total cost of ownership and improved plant reliability across electrical protection and circuit control applications.

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FAQs

Begin with de-energizing the panel and verifying neutral continuity. Mount the DH263NGK in a location with adequate clearance, connect conductors #14-1/0 Cu/Al per the wiring diagram, and ensure a secure neutral connection. Tighten all terminations to manufacturer torque specs and verify 600 V insulation Clearances before energizing. This approach minimizes commissioning time and reduces troubleshooting later.
Yes. The DH263NGK supports wire sizes ranging from #14 to 1/0 AWG for both copper and aluminum conductors. This compatibility simplifies field wiring, reduces the need for adapters, and supports standard motor feeder practices in most industrial facilities.
The unit provides up to 40 hp at 1PH for 480–600 V and 30 hp for certain TD configurations, with a 600 V rating for AC circuits and compatibility with 600 V DC as noted. This makes it suitable for a wide range of indoor motor control and feeder protection scenarios in manufacturing environments.
The DH263NGK is UL Listed and NEC 230.62 barrier compliant, featuring a NEMA 1 enclosure suitable for indoor dry locations. These certifications support regulatory audits, safety standards, and reliable performance in industrial settings.
Eaton offers a warranty of one year from installation or eighteen months from shipment, whichever comes first. Routine maintenance includes periodic fuse checks, visual inspections for enclosure integrity, and verifying terminal connections to maintain reliable protection and minimize downtime.