Eaton DH222NWKX Heavy Duty Fusible Switch - UL Listed
Part Number: DH222NWKX
Quick Summary
Eaton DH222NWKX heavy duty fusible safety switch is designed to isolate and protect industrial motor circuits in demanding, harsh environments. Operators struggle with unreliable protection, complex wiring, and enclosure failures that threaten uptime and safety. UL Listed, NEC 230.62(C) compliant barrier, and a NEMA 4X enclosure provide critical risk mitigation for mission-critical installations. With a 100 A rating and a compact footprint, this switch supports safer maintenance, simpler compliance documentation, and lower total cost of ownership across industrial facilities.
Product Information
Extended Description
DH222NWKX Eaton: Eaton Heavy duty single-throw fused safety switch, 100 A, NEMA 4X, Non-metallic, KRYDON, Two-pole, Two-wire, 240 V, Max Hp: 7.5, 15 hp/15, 30 hp/20 hp (1,3PH @ Std fuse/time delay/250 Vdc), #14-#1/0 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH222NWKX
UPC
782114223994
Product Length/Depth
16.46 in
Product Height
27.25 in
Product Width
14.25 in
Product Weight
45 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 without neutral
Number Of Poles
Two-pole
Number of wires
2
Type
Heavy duty fusible safety switch
Amperage Rating
100A
HP rating - max
7.5, 15 hp/15, 30 hp/20 hp (1,3PH @ Std fuse/time delay/250 Vdc)
NEMA rating
NEMA 4X (Stainless)
Voltage rating
240V
Product Category
Heavy Duty, Harsh Environment - EnviroLine
Feature: NEMA 4X, non-metallic KryDon enclosure provides superior washdown resistance and corrosion protection. Impact: Reduces enclosure damage in harsh environments, extending service life and lowering maintenance. Application: Ideal for outdoor or wet-process areas in industrial settings where moisture and chemicals are present. Feature: 100 A amperage rating and 240 V operation with a two-pole configuration. Impact: Safeguards motor circuits while allowing standard commercial motors; reduces nuisance trips and improves electrical reliability. Application: Suitable for mid-size motors across conveyors, pumps, or processing equipment. Feature: Class H fuse and fusible-without-neutral configuration with two wires (#14-#1/0 Cu/Al). Impact: Delivers precise protection with fast clearing for a wide range of loads; simplifies NEC-compliant protection and wiring. Application: Use in 1- to 3-phase feeders where neutral isn't required. Feature: UL Listed certification and NEC 230.62(C) compliant barrier. Impact: Ensures compliance with safety codes and reliability; streamlines inspection readiness. Application: Essential for facility approvals, maintenance contracts, and safety audits. Feature: Compact dimensions and mounting flexibility (16.46 in L, 27.25 in H, 14.25 in W) and 45 lb weight. Impact: Easier field installation and reduced retrofit costs; supports rapid commissioning. Application: Fits standard electrical enclosures in control panels and harsh-environment installations.
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FAQs
The DH222NWKX is a two-pole, 100 A device rated for 240 V with connections suitable for #14-#1/0 Cu/Al conductors. Its NEMA 4X Krydon enclosure supports washdown and corrosion resistance, making it compatible with standard control panels in harsh environments. Mounting fits typical panel cutouts, simplifying retrofits and new installs alike.
This safety switch is UL Listed and features an NEC 230.62(C) compliant barrier, ensuring electrical safety in panel installations. The NEMA 4X enclosure adds environmental protection suitable for wet or dusty areas, supporting regulatory compliance during inspections and audits.
The DH222NWKX supports up to 150 hp equivalents across 1-3 phase configurations at 240 V, depending on fuse/time-delay settings. Rated for 240 V and 100 A, it provides reliable protection for medium-sized motors while enabling appropriate horsepower matching for pumps, conveyors, and processing equipment.
The unit uses a non-metallic KryDon enclosure with a NEMA 4X rating, offering excellent washdown and chemical resistance. This construction reduces corrosion risks and mechanical wear, extending service life in environments with moisture, chemicals, or outdoor exposure.
With dimensions of 16.46 in L x 27.25 in H x 14.25 in W and a tested 45 lb weight, installation is straightforward in standard panels and tight spaces. The warranty is 1 year from installation or 18 months from shipment, whichever comes first, providing confidence in long-term protection and reduced maintenance costs.