Eaton DH423SNGKLP Heavy Duty Safety Switch - UL Listed
Part Number: DH423SNGKLP
Quick Summary
The Eaton DH423SNGKLP heavy duty safety switch is designed to provide reliable power control for industrial protection and control panels. Engineers often struggle with safe, fast installation and proper wiring configurations; this model offers quick-connect terminals and a fusible with switched neutral arrangement. Key certifications and standards support compliance in regulated environments, including UL Listing and a rugged Series K design within a NEMA 1 enclosure. By combining robust protection with straightforward installation, it helps reduce downtime and total cost of ownership while meeting critical safety requirements. This makes it a practical choice for machine builders, panel shops, and industrial facilities seeking reliable switchgear that integrates with existing Series K components and offers long-term service support.
Product Information
Extended Description
DH423SNGKLP Eaton: Eaton Quick Connect Safety Switch, Heavy Duty, Single-Throw, 100A, 240V, 4P, Fusible with switched neutral, Series K, NEMA 1, Posi-Lok
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH423SNGKLP
UPC
786685373706
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
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
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - DH423SNGKLP
Feature: 100A, 240V, four-pole configuration with fusible switch and switched neutral. Business impact: Enables reliable, predictable disconnection for heavy-duty machinery and panels, reducing arc flash exposure and enabling safer maintenance windows. Application: Suitable for motor control centers, protection cabinets, and distribution panels where high current switching is routine. Feature: NEMA 1 enclosure with heavy-duty construction and 85 lb frame. Business impact: Provides solid mechanical protection in indoor environments, supporting long service life even in demanding factory settings. Application: Ideal for factory floors, panel shops, and equipment rooms where dust is present but moisture risk is low. Feature: Series K design with Posi-Lok and quick-connect terminals. Business impact: Streamlines installation and field servicing, cutting commissioning time and labor costs while ensuring a secure, positive handle position. Application: OEM panel builds and retrofit projects requiring fast, reliable field connections. Feature: Fuse configuration Fusible with switched neutral. Business impact: Improves safety and fault clarity by ensuring a defined open-circuit condition during disconnection, aiding compliance and maintenance. Application: Electrical protection schemes in manufacturing lines and packaging systems. Feature: UL Listed with general certifications. Business impact: Supports regulatory compliance, simplifies documentation for audits, and enhances customer confidence. Application: Any industrial installation requiring recognized safety labeling and traceability, including machine safety and control panels. Feature: Documentation and compatibility options (Series K, Posi-Lok, quick connect, 4P). Business impact: Reduces risk of mis-wiring and compatibility issues with existing Eaton components, lowering installation risk and future upgrade costs. Application: System integrators and service teams maintaining standardized Eaton protection devices.
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FAQs
For a smooth retrofit or new build, plan for a four-pole 100A, 240V configuration with fusible wiring and a switched neutral. Use quick-connect terminals to speed up wiring and ensure proper labeling per NEC guidelines. Reference the Eaton specification sheet for fuse type recommendations and ensure adequate clearance for the Posi-Lok handle operation.
Reliability comes from UL Listed safety certification, a four-pole design, and a fusible with switched neutral arrangement that provides predictable disconnection. The rugged Series K construction and secure Posi-Lok handle further reduce risk of accidental operation, while proper fuse matching and correct wiring polarity support consistent protection during fault conditions.
The unit uses a NEMA 1 enclosure suitable for indoor industrial use, offering basic protection against non-corrosive dust and incidental contact. In environments with heavy dust, moisture, or vibration, additional enclosure protection and vibration isolation should be considered. Its robust 85 lb frame supports steady mounting in standard factory environments when installed with proper mounting hardware.
This product is UL Listed, indicating compliance with recognized safety standards for electrical equipment. It features a Series K configuration with four poles and NEMA 1 enclosure, designed for indoor industrial use. While UL Listed is the primary certification, the device is intended to meet common industrial protection requirements and documentation needs for audits.
ROI is driven by reduced installation time due to quick-connect terminals, lower downtime from reliable UL-listed protection, and fewer maintenance calls thanks to the rugged Series K design and Pos-iLok. The one-year warranty supports initial risk mitigation, while long-term durability and compatibility with Eaton components help minimize lifecycle costs in panel builds and manufacturing lines.