Eaton DH261NCK Heavy Duty Fusible Safety Switch - NEMA 4X
Part Number: DH261NCK
Quick Summary
The Eaton DH261NCK Heavy Duty Fusible Safety Switch provides reliable protection for industrial feeders and control panels in harsh environments. In practice, engineers struggle with nuisance tripping and slow fault isolation that drive downtime and maintenance costs. This unit delivers rugged 30 A protection with a 600 V rating in a NEMA 4X Krydon enclosure, UL Listed, with Class H fuses and fusible-with-neutral configuration for clean disconnects. NEC 230.62 barrier compliance supports safe service and worker protection. By combining compact form with durable enclosure and straightforward wiring (#14-2 Cu/Al), it reduces installation time and spare-part clutter. For systems requiring robust, code-compliant control protection, this switch aligns with industrial safety programs and long-term lifecycle cost reductions.
Product Information
Extended Description
DH261NCK Eaton: Eaton Heavy duty single-throw fused safety switch, 30 A, NEMA 4X, Non-metallic, KRYDON, Class H, Fusible with neutral, Two-pole, Three-wire, 600 V, Max Hp: 7.5, 10 hp/15 hp (1PH @480,600 V TD/600 Vdc), #14-#2 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH261NCK
UPC
786685161952
Product Length/Depth
15.46 in
Product Height
19.25 in
Product Width
10.25 in
Product Weight
32 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
#14-2 AWG Cu/Al
Amperage Rating
30A
HP rating - max
7.5, 10 hp/15 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
Feature: 30 A amperage rating. Business Impact: Provides appropriate protection for motors and feeders, reducing nuisance trips and equipment damage in everyday duty cycles. Application: Suitable for machine control panels and small to mid-size feeders in manufacturing lines. The DH261NCK delivers measurable uptime gains while meeting standard panel design practices. Feature: 600 V voltage rating. Business Impact: Supports common industrial control circuits and motor loads without over-sizing components. Application: Ideal for 480 V/600 V systems in process lines and packaging equipment. Feature: NEMA 4X non-metallic Krydon enclosure. Business Impact: Enhanced washdown and corrosion resistance lowers maintenance cost and extends service intervals. Application: Outdoor enclosures and harsh plant environments where reliability is critical. Feature: Fusible with neutral and Class H fuse. Business Impact: Safe, predictable disconnection with arc-fault control and simplified fault isolation. Application: Critical safety disconnections in high-energy circuits. Feature: Two-pole, three-wire design with #14-2 Cu/Al wiring. Business Impact: Streamlined wiring, reduced panel footprint, and easier field termination. Application: Standardized for common industrial wiring schemes. Feature: UL Listed and NEC 230.62 barrier compliant. Business Impact: Clear compliance path for audits and code adherence, lowering project risk. Application: Use in facilities requiring formal safety certification and regulated barrier installations.
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FAQs
DH261NCK installs in standard control panels with a two-pole, three-wire configuration. Use wiring up to #14-2 Cu/Al, ensure a 600 V rated system, and mount in a NEMA 4X enclosure for washdown environments. The unit is UL Listed and conforms to NEC barriers, which streamlines integration with existing safety protocols.
The switch is rated for 30A with a 600 V maximum, designed as two-pole with fusible protection and neutral connection. It supports #14-2 Cu/Al conductors and provides HP ratings up to 7.5 to 15 hp for 1-phase applications at 480–600 V (TD/600 Vdc).
Ideal for industrial machine controls, small to mid-size feeders, and process-line panels in harsh environments. Its NEMA 4X enclosure and fusible-with-neutral configuration make it suitable for washdown areas, outdoor installations, and safety-critical disconnects in manufacturing and packaging lines.
The DH261NCK is UL Listed and NEC 230.62 barrier compliant, with a NEMA 4X non-metallic Krydon enclosure. These certifications support code compliance, safety audits, and reliable operation in demanding facilities.
Eaton provides a one-year warranty from installation or eighteen months from shipment, whichever occurs first, per policy 25-000. Support includes standard spare parts, documentation, and access to Eaton specification sheets for installation and maintenance guidance.