Eaton DH324NDKW Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH324NDKW
Quick Summary
The Eaton DH324NDKW heavy duty fusible safety switch is a robust solution for protecting 3-phase power circuits in industrial panels. It delivers reliable isolation and straightforward fault handling in demanding environments, reducing downtime and maintenance complexity. This enclosure is UL Listed and engineered with a NEMA 12/3R rating; field modification can meet NEMA 3R rainproof requirements when needed. With 200A capacity and a three-pole, four-wire configuration including a neutral, it supports essential motor and control feeder protection, including HP ratings up to 60/40 hp for 1 or 3 phase configurations. This design aligns with common industrial procurement criteria, helping compliance teams validate protection standards while offering installation flexibility for OEMs and end users.
Product Information
Extended Description
DH324NDKW Eaton: Eaton Enhanced visible blade single-throw safety switch, Upper viewing window, 200 A, NEMA 12/3R, Painted galvanized steel, Neutral, Three-pole, Four-wire, 240 V, Max Hp: 15, 25/ 15, 60/ 40 hp (1,3PH @Std/TD/250 Vdc), #6-300 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH324NDKW
UPC
782114140727
Product Length/Depth
11.63 in
Product Height
35.38 in
Product Width
15.5 in
Product Weight
61 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
For 2-pole applications; use outside poles of 3-pole switch. Can be field modified to meetNEMA 3R rainproof requirements when a factory provided drain hole is opened.
Enclosure
NEMA 12, NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Class H
Fuse configuration
Fusible with neutral
Number Of Poles
Three-pole
Number of wires
4
Type
Heavy duty fusible safety switch
Amperage Rating
200A
HP rating - max
15, 25/ 15, 60/ 40 hp (1,3PH @Std/TD/250 Vdc)
NEMA rating
NEMA 12/3R
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Feature: High amperage and voltage rating enables protection of 200A circuits at 240V, supporting large motors and feeders. Business Impact: Reduces the need for intermediate disconnects, speeds up commissioning, and lowers total owning cost through fewer components. Application: Industrial motor control centers and feeder panels requiring robust, coordinated protection. Feature: NEMA 12/3R enclosure with painted galvanized steel provides durable indoor protection and weather-ready versatility. Business Impact: Improves uptime in varied environments and simplifies maintenance with a rugged shell and accessible viewing window. Application: Factory floors and control rooms where reliable containment matters. Feature: Three-pole, four-wire design with neutral and Class H fuse provision enables precise fault isolation. Business Impact: Safer isolation points, better fault discrimination, and safer maintenance procedures. Application: Heavy-duty power distribution where neutral is required for control circuits. Feature: HP rating versatility 15, 25/15, 60/40 hp (1,3PH @Std/TD/250 Vdc) ensures compatibility with a range of motors. Business Impact: Supports standard, time-delayed, and DC bus motor loads, reducing part count. Application: Machinery drives and line equipment across mixed duty cycles. Feature: UL Listed certification and NEMA 12/3R rating provide regulatory alignment and field-readiness. Business Impact: Eases procurement audits, supplier compliance, and installation acceptance. Application: Industries with strict safety and reliability standards. Feature: Field-modifiable to meet NEMA 3R rainproof requirements via a factory drain hole option. Business Impact: Extends outdoor applicability without replacing the switch, lowering retrofit costs. Application: Outdoor or semi-protected outdoor installations where rain ingress is a concern.
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FAQs
The DH324NDKW is a three-pole, four-wire device with a neutral option, designed for 240V systems. It supports standard installation in NEMA 12 environments and can be field modified to meet NEMA 3R rainproof requirements if the factory drain hole is opened. This provides flexibility for indoor and semi-protected outdoor installations while maintaining UL Listed compliance.
Key ratings include a 200A amperage, 240V voltage rating, and NEMA 12/3R enclosure. It accommodates motor loads up to 15, 25/15, or 60/40 hp depending on standard vs. TD configurations and 1,3PH @Std/TD/250 Vdc. The fuse configuration is fusible with neutral, and a Class H fuse provision is included for protection coordination.
Yes, the enclosure is rated NEMA 12/3R and field-modifiable to NEMA 3R rainproof rainproof requirements by enabling a factory-provided drain hole. While primarily intended for indoor or semi-protected use, this option extends suitability to outdoor installations with appropriate enclosure protection and drainage considerations.
The DH324NDKW is UL Listed, confirming conformance to recognized safety standards for control devices. Its NEMA 12/3R enclosure rating provides environmental protection suitable for factory floors and some outdoor settings when properly installed. These certifications simplify regulatory reviews and reduce vendor risk in regulated industries.
Warranty coverage follows Eaton policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. Regular maintenance should focus on ensuring fuse integrity, neutral continuity, and enclosure seals, with attention to field-modified NEMA 3R configurations to maintain protection ratings and safe operation over time.