Eaton DH325NPKLW Heavy Duty Fusible Safety Switch - UL
Part Number: DH325NPKLW
Quick Summary
The Eaton DH325NPKLW heavy duty fusible safety switch provides reliable power isolation for industrial control panels and motor circuits. Operators and maintenance teams face costly downtime when safety switches fail to open cleanly or misbehave under peak current. This unit carries UL Listed certification, NEC 230.62 barrier compliance, and a NEMA 4 enclosure to endure harsh environments, protecting personnel and equipment. Designed for 400 A service with Class H fuses and a neutral, it supports three-pole, four-wire installations and scalable hardware configurations, delivering safe startup sequencing and reduced lifecycle costs.
Product Information
Extended Description
DH325NPKLW Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blade, 400 A, NEMA 4, Class H, Neutral, Three-pole, Four-wire, 240 V, Max Hp: 50, 125/ 50 hp (3PH @Std, TD/250 Vdc), (2)#1/0-(2)300 kcmil or (1)#1/0-(1)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH325NPKLW
UPC
782114357231
Product Length/Depth
11.2 in
Product Height
57.47 in
Product Width
22.66 in
Product Weight
135 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
Catalog Notes
For 2-pole applications; use outside poles of 3-pole switch
Enclosure
NEMA 4
Enclosure material
Painted 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
400A
HP rating - max
50, 125/ 50 hp (3PH @Std, TD/250 Vdc)
NEMA rating
NEMA 4
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Feature: 400 A amperage rating with Class H fusible protection that includes a neutral. Business Impact: Robust protection for high-load motor circuits and critical equipment reduces arc-flash risk and unplanned outages. Application: Industrial conveyors, pumps, and large automation panels where reliable isolation is essential. Feature: NEMA 4, painted steel enclosure. Business Impact: Weather-resistant and wash-down capable, lowering maintenance in harsh environments. Application: Outdoor substations, outdoor switchgear rooms, and process lines in manufacturing facilities. Feature: Three-pole, four-wire configuration with neutral. Business Impact: Flexible wiring options support standard 240 V distribution and safe neutral management, simplifying panel upgrades. Application: New installations and retrofit projects in process automation and CNC/robotics cells. Feature: UL Listed and NEC 230.62 compliant barrier. Business Impact: Regulatory alignment reduces compliance risk and accelerates audits. Application: Facilities with strict safety standards and third-party verifications. Feature: Catalog notes and compatibility with 2-pole setups by using outer poles of a 3-pole switch. Business Impact: Installation versatility lowers total cost of ownership by enabling efficient field configurations. Application: Retrofit and expansion projects in industrial environments.
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FAQs
DH325NPKLW is a three-pole, four-wire safety switch with neutral, designed for 240 V distribution. It supports standard motor control and industrial automation panels while accommodating neutral connections for fused control circuits.
The unit uses a NEMA 4 painted steel enclosure, offering protection against dust, water ingress, and wash-down environments. It is suitable for indoor or outdoor installations in harsh industrial settings.
This switch is UL Listed and complies with NEC 230.62 barrier requirements. These certifications help ensure electrical safety, simplify compliance audits, and support regulatory acceptance in most North American industrial facilities.
Product dimensions are 11.2 in depth, 57.47 in height, and 22.66 in width, with a weight of 135 lb, providing a robust yet installable footprint for retrofit or new-build panels.
Ideal for heavy-duty motor loads and process automation, including conveyors and pumps, the switch offers 400 A protection, a neutral in a three-pole configuration, and compatibility with standard 240 V industrial power distribution, delivering reliable safety and uptime.