Eaton DH228NDK Heavy-Duty Fusible Switch - UL Listed
Part Number: DH228NDK
Quick Summary
The Eaton DH228NDK heavy-duty fusible safety switch provides reliable isolation for 3-wire, 240 V industrial circuits. In practice, procurement and maintenance teams face integration and compliance challenges that slow projects and extend downtime. This unit carries UL Listed certification and NEC 230.62 barrier compliance, and uses a NEMA 1 painted steel enclosure with Class L fuses to deliver rugged protection. With a 1200 A rating and fusible-with-neutral configuration, it supports large conductor connections and high-demand loads without sacrificing safety. By combining robust performance with straightforward installation, it offers predictable, code-compliant operation that reduces maintenance overhead and supports smarter total-cost-of-ownership decisions for industrial power systems.
Product Information
Extended Description
DH228NDK Eaton: Eaton Heavy duty single-throw fused safety switch, 1200 A, NEMA 1, Painted steel, Class L, Fusible with neutral, Two-pole, Three-wire, 240 V, (4)#1/0-(4)750 kcmil Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH228NDK
UPC
786685178097
Product Length/Depth
72 in
Product Height
21 in
Product Width
48 in
Product Weight
455 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 L
Fuse configuration
Fusible with neutral
Number Of Poles
Two-pole
Number of wires
3
Type
Heavy duty fusible safety switch
Amperage Rating
1200A
NEMA rating
NEMA 12/3R
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Feature → Business Impact → Application: 1200 A, 240 V, two-pole, three-wire configuration with fusible switch. This enables reliable isolation for high-current feeders and motor circuits, reducing fault-related downtime and improving safety during maintenance in manufacturing lines. Application: machine control panels and power distribution cabinets in heavy industry. Feature → Business Impact → Application: NEMA 1 painted steel enclosure provides durable indoor protection, simplifying installation in control rooms and cabinet spaces while resisting daily wear. Application: indoor electrical panels and service enclosures. Feature → Business Impact → Application: Class L fuse provision with fusible with neutral capability supports precise coordination and a clear neutral path, improving selective tripping and system reliability. Application: protection coordination in process lines. Feature → Business Impact → Application: conductor compatibility ranges from #1/0 to 750 kcmil Al, enabling use with large aluminum conductors and reducing field rework. Application: feeder circuits and main distribution trunks. Feature → Business Impact → Application: UL Listed with NEC 230.62 barrier compliance ensures regulatory acceptance and safer installations, lowering compliance risk and audit findings. Application: utilities, OEMs, and integrators aligning with code requirements. Feature → Business Impact → Application: Heavy-duty design with a 72 in x 48 in x 21 in footprint supports robust, serviceable installations in space-constrained industrial environments. Application: large control rooms and centralized switchgear areas. Feature → Business Impact → Application: 455 lb weight and painted steel construction provide durable, long-life operation with straightforward replacement parts. Application: retrofit and service scenarios where spare parts are readily sourced.
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FAQs
The DH228NDK is a two-pole, three-wire switch rated for 240 V and 1200 A, with a fusible-with-neutral configuration. It supports large conductors from #1/0 to 750 kcmil Al, and its NEMA 1 painted steel enclosure simplifies indoor panel mounting. Plan for a 72 in L x 48 in W x 21 in H footprint and ensure clearance for safe wiring and maintenance access.
Yes. The DH228NDK is UL Listed and features NEC 230.62 barrier compliance, which provides a clearly defined safety barrier for service and maintenance. The unit also uses a Class L fuse and a fusible-with-neutral design, supporting compliant coordination in medium-to-heavy electrical installations.
Ideal for high-current feeders, machine control panels, and process-line power distribution in manufacturing and utility settings. Its 1200 A rating at 240 V, NEMA 1 enclosure, and large conductor compatibility make it suitable for indoor industrial environments demanding reliable isolation and straightforward maintenance.
Key ratings include 1200 A amperage, 240 V voltage, and NEMA 12/3R compatibility with a NEMA 1 painted steel enclosure. The device uses Class L fuses and is designed as fusible with neutral, configured as two-pole with three wires, enabling coordinated protection and safe neutral handling.
Eaton provides a warranty per policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. Support includes access to Eaton’s specification sheets and product documentation, plus ongoing availability of spare parts and compatibility guidance for retrofit projects and new installations.