Eaton DH425SNGKLC Heavy Duty Safety Switch - UL Listed
Part Number: DH425SNGKLC
Quick Summary
The Eaton DH425SNGKLC heavy duty safety switch provides reliable isolation for 400 A, 240 V industrial circuits. In modern plants, space constraints and maintenance access delays can derail critical start-ups. UL Listed safety certification and a NEMA 1 enclosure frame the product for indoors, with Cam-Lok fast connections. This combination helps design teams meet code requirements while reducing wiring and installation time. Leverage this heavy duty switch for dependable protection in power distribution, motor control, and maintenance isolation.
Product Information
Extended Description
DH425SNGKLC Eaton: Eaton Quick Connect Safety Switch, Heavy Duty, Single-Throw, 400A, 240V, 4P, Fusible with switched neutral, Series K, NEMA 1, Cam-Lok
Product Name
Eaton quick connect heavy duty safety switch
Catalog Number
DH425SNGKLC
UPC
786685373843
Product Length/Depth
32.87 in
Product Height
74.34 in
Product Width
16.1 in
Product Weight
370 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
Cam-Lok
Type
Heavy Duty, Single-Throw
Amperage Rating
400A
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
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Eaton Specification Sheet - DH425SNGKLC
Feature: 400A, 240V, four-pole configuration with fusible switch and switched neutral. Business Impact: Enables safe, high-current isolation for large motors and feeders while maintaining system reliability. Application: Suitable for main feeder disconnects in distribution panels and motor control centers where fast fault isolation is critical. Feature: Cam-Lok quick-connects. Business Impact: Reduces field wiring time and improves connection reliability, lowering installation labor costs and potential loose-contact failures. Application: Indoor electrical rooms and cabinets needing rapid, vibration-resistant terminations. Feature: NEMA 1 enclosure construction. Business Impact: Provides basic dust and incidental moisture protection for indoor environments, supporting compliant, low-maintenance installations. Application: Factory floors, switchgear rooms, and controlled environments. Feature: Series K chassis design. Business Impact: Aligns with Eaton’s family of protection devices for streamlined maintenance, spare parts availability, and system-wide compatibility. Application: New builds or upgrades with existing Eaton ecosystem. Feature: UL Listed certification and safety features. Business Impact: Enhances procurement confidence, simplifies compliance audits, and reduces risk during commissioning. Application: Industrial facilities requiring code-compliant safeguarding and documented reliability. Feature: Heavy-duty, single-throw operation. Business Impact: Simplifies control schemes and minimizes switching opportunities for operators, boosting safety. Application: Emergency isolation and routine power-down sequences in high-demand lines.
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FAQs
For proper installation, plan for a four-pole 400 A, 240 V disconnect with a fusible switch and switched neutral. Ensure the enclosure location is indoor with NEMA 1 protection, allow adequate mounting space, and accommodate Cam-Lok connections for quick, secure terminations. Verify clearance for maintenance access and follow Eaton installation guidelines to minimize commissioning time.
Yes, the DH425SNGKLC is UL Listed, confirming electrical safety compliance for indoor industrial use. It features a NEMA 1 enclosure suitable for general indoor environments and Cam-Lok connections for reliable, quick-connect wiring. This combination supports code-compliant installation and easier inspection during audits.
This switch excels as a main feeder disconnect in distribution panels, a motor control center isolation device, and as a maintenance isolation switch in indoor plant rooms. With 400 A capacity and fusible with switched neutral, it supports safe de-energization of heavy industrial loads while enabling fast re-energization after service.
Key specs include 400A amperage rating, 240V voltage rating, four-pole configuration, fusible with switched neutral, and a Series K platform. Enclosure is NEMA 1, designed for indoor use. The unit weighs about 370 lb and measures 32.87 in (depth) x 16.1 in (width) x 74.34 in (height).
Cam-Lok connections simplify field wiring, reduce installation time, and improve connection reliability, lowering labor costs and startup risk. Series K compatibility ensures easier spare parts sourcing and consistent performance across Eaton protection devices, delivering predictable maintenance intervals, minimized downtime, and a longer lifecycle for critical power-distribution assets.