Eaton DH226NPK Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH226NPK
Quick Summary
Eaton DH226NPK heavy-duty fusible safety switch protects electrical circuits in motor control centers and switchgear assemblies. Maintaining uptime is challenging when protection devices complicate maintenance or slow fault isolation. UL Listed for safety and reliability, with a NEMA 4 enclosure for outdoor or harsh indoor environments. Designed as a two-pole, three-wire device with Class H fuse provisions, it supports fast fault clearing and robust isolation. With Eaton's reliability and a one-year warranty, it aligns with maintenance workflows and compliance timelines. Ideal for panel builders, OEMs, and service teams seeking scalable protection across 3-phase applications. This model supports standard 75 hp and 200 hp ratings for three-phase loads and accommodates large conductor sizes, facilitating future upgrades.
Product Information
Extended Description
DH226NPK Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blade, 600 A, N4, Painted steel, Class H, Two-pole, Three-wire, 240 V, Max Hp: 75, 200 hp (3PH @ Std fuse/time delay), (1)#2-(1)600 kcmil and (1)#1/0-(1)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH226NPK
UPC
782113207452
Product Length/Depth
63 in
Product Height
14.25 in
Product Width
24 in
Product Weight
160 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.
Certifications
UL Listed
Catalog Notes
3-Phase hp ratings shown are grounded B phase ratings; UL listed
Enclosure
NEMA 4
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
HP rating - max
75, 200 hp (3PH @ Std fuse/time delay)
NEMA rating
NEMA 4
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Feature: 600 A, 240 V operation with a heavy-duty fusible switch and enhanced visible blade. Business impact: Clear fault indication and faster isolation minimize downtime and improve safety during maintenance. Application: Suitable for motor control centers and large motor feeders in 3-phase industrial plants. Feature: Two-pole, three-wire with neutral configuration. Business impact: Simplifies panel design and reduces wiring errors by providing a standard, ready-to-wire path. Application: Ideal for machine control panels and industrial switchgear. Feature: Class H fuse provision. Business impact: Proper fuse class coordination improves selectivity and protection while reducing nuisance trips. Application: Protects critical loads with time-delay characteristics in complex electrical systems. Feature: NEMA 4 painted steel enclosure. Business impact: Weather resistance and enclosure protection minimize maintenance and permit outdoor installation. Application: Outdoor substations, loading docks, and harsh indoor environments. Feature: UL Listed certification. Business impact: Regulatory compliance and safer procurement streamline QA and approvals. Application: Facilities requiring UL compliance in automotive, food & beverage, and general manufacturing. Feature: Large conductor capacity and HP range. Business impact: Supports big feeders and high horsepower loads, enabling scalable protection for growing plants. Application: Conveyors, pumps, presses, and other high-power machines.
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FAQs
For seamless integration, plan a knockout layout compatible with a two-pole, three-wire with neutral design, ensure access to the enhanced visible blade, and verify enclosure clearance for a NEMA 4 painted steel housing. Use UL Listed fittings and maintain proper space for wiring terminations up to 600 A and 240 V, aligning with Class H fuse provisions.
The unit is rated for 600 A at 240 V with three wires and two poles. It supports 75 hp standard and up to 200 hp for three-phase loads at standard fuse/time delay, and uses Class H fuses. It is UL Listed and features a NEMA 4 enclosure suitable for indoor and outdoor environments.
Yes. The DH226NPK uses a NEMA 4 painted steel enclosure, designed to withstand demanding indoor and outdoor environments. This enclosure protects against dust, rain, and incidental contact, enabling reliable operation in weather-exposed switchgear and motor control centers.
It is UL Listed, which confirms compliance with safety standards and simplifies QA and regulatory approvals. The combination with a NEMA 4 enclosure further supports reliability in varied environments and aligns with industry best practices for electrical protection devices in manufacturing and process facilities.
Beyond initial procurement, the DH226NPK offers durable construction, fast fault isolation, and compatible wiring for large feeders, reducing downtime and maintenance costs. Eaton provides a one-year warranty, practical support, and readily available spares, contributing to predictable maintenance budgets and longer asset life.