Eaton DH423SNGKLPR Heavy Duty Safety Switch - UL Listed
Part Number: DH423SNGKLPR
Quick Summary
Eaton DH423SNGKLPR is a heavy-duty safety switch designed to interrupt 4-pole, 100A circuits in industrial control panels. When downtime matters, teams need fast, safe isolation and reliable performance in demanding environments. UL Listed certification ensures electrical safety, the NEMA 1 enclosure supports indoor dry locations, and the Posi-Lok reverse pin provides secure, quick-connect operations. With Series K construction and fusible with switched neutral, this device helps simplify compliance, maintenance scheduling, and lifecycle cost reduction for energized equipment. Engineered for reliability in automotive, packaging, and process industries, it supports scalable safety-system expansion and predictable uptime.
Product Information
Extended Description
DH423SNGKLPR Eaton: Eaton Quick Connect Safety Switch, Heavy Duty, Single-Throw, 100A, 240V, 4P, Fusible with switched neutral, Series K, NEMA 1, Posi-Lok reverse pin
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH423SNGKLPR
UPC
786685373713
Product Length/Depth
18.57 in
Product Height
38.15 in
Product Width
13.68 in
Product Weight
85 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
Special features
Posi-Lok reverse pin
Type
Heavy Duty, Single-Throw
Amperage Rating
100A
Number Of Poles
Four-pole
Voltage rating
240V
Enclosure
NEMA 1
Fuse configuration
Fusible with switched neutral
Series
Series K
Commercial Distribution, Switching Devices, Volume 2, Tab 1
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
ARMS Enclosed Circuit Breaker
Eaton Specification Sheet - DH423SNGKLPR
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Four-pole, 100A, 240V electrical rating enables full-load isolation for three-phase equipment. Business Impact: Reduces arc-flash exposure risk, ensures safe shutdown, and supports code-compliant protection for heavy machinery. Application: Suitable for motor control centers, conveyors, and distributed power panels in manufacturing environments. Feature: Fusible with switched neutral provides selective feeder protection without interrupting control circuits. Business Impact: Improves selective coordination, minimizes downtime during fuse changes, and enhances system reliability. Application: Ideal for process lines and packaging equipment where rapid fuse replacement is routine. Feature: Posi-Lok reverse pin simplifies secure mating and field wiring alignment. Business Impact: Reduces installation time, prevents misalignment, and cuts rework in busy panel shops. Application: Beneficial for pre-wired enclosures and retrofit projects with tight installation windows. Feature: NEMA 1 enclosure offers indoor, dry-location housing. Business Impact: Withstands dust and light debris while maintaining enclosure integrity, lowering environmental risk. Application: Common in control rooms and factory floors with moderate cleanliness requirements. Feature: Series K heavy-duty design emphasizes rugged construction and long life. Business Impact: Extends service intervals, lowers maintenance costs, and improves uptime metrics. Application: Suitable for harsh manufacturing cells and high-cycle environments. Feature: UL Listed certification provides recognized electrical safety compliance. Business Impact: Eases regulatory acceptance, supports safety program audits, and reduces risk of non-conformance. Application: Global plants and OEM panels requiring validated safety components. Feature: 18.57 in depth, 38.15 in height, 13.68 in width, and 85 lb weight convey substantial mechanical robustness. Business Impact: Stabilizes mounting and reduces vibration-related wear, improving service life. Application: Large-panel installations in industrial automation and power distribution.
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FAQs
The DH423SNGKLPR is a four-pole, 100A, 240V safety switch designed for standard industrial control layouts. It employs a NEMA 1 indoor enclosure and a Series K rugged construction, with a Posi-Lok reverse pin to simplify alignment during field wiring. Compatible mounting follows typical control-panel and switchgear practices, reducing installation time and ensuring secure, vibration-resistant connections in busy environments.
Key specifications include a 100A amperage rating, 240V operating voltage, four poles, and a fusible with switched neutral configuration. It is housed in a NEMA 1 enclosure and is UL Listed. The device weighs about 85 lb and measures 18.57 in deep, 38.15 in high, and 13.68 in wide, making it suitable for demanding, high-duty installations in motor-control centers and plant switchgear.
Yes. Its Series K heavy-duty design, NEMA 1 indoor enclosure, and robust construction are intended for factory automation environments. The four-pole protection, 100A rating, and fusible with switched neutral help maintain safe operation under high-load conditions, while Posi-Lok reverse pin reduces connection issues during panel assembly and service.
The DH423SNGKLPR carries UL Listed certification, confirming compliance with recognized safety standards. The enclosure is NEMA 1 rated for indoor, dry locations. While UL Listed is the primary certification highlighted, the combination of these ratings supports safer installation, reduced risk during maintenance, and smoother regulatory audits for industrial electrical protection equipment.
Eaton’s warranty policy for this product is 25-000, offering one year from the date of installation or eighteen months from shipment, whichever comes first. Routine maintenance should focus on validating fusible element integrity, ensuring Posi-Lok connections remain secure, and inspecting enclosure seals to preserve NEMA 1 protection in service environments.