Eaton DH363FRKA1600 Heavy Duty Safety Switch - UL Listed
Part Number: DH363FRKA1600
Quick Summary
Eaton DH363FRKA1600 auxiliary power switch provides reliable heavy-duty circuit protection for industrial panels and machinery. Many facilities struggle with unsafe switching and mismatched ratings that trigger downtime; this unit delivers a safe disconnect under load, reducing risk to personnel and equipment. UL Listed certification confirms compliance with safety standards, and the NEMA 3R enclosure supports reliable operation in harsh environments, while the painted galvanized steel housing resists weathering. Designed for power control beyond basic on/off, it combines a 100 A, 600 V rating with Class H fuses and a built-in 15 A GFI receptacle to streamline installation, maintenance, and lifecycle costs across control panels and motor circuits.
Product Information
Extended Description
DH363FRKA1600 Eaton: Heavy Duty Safety Switch, Single-Throw, 100A, 600V, Three-pole, Three-wire, Fusible without neutral, NEMA 3R, 600 V auxiliary circuit, Painted galvanized steel, Class H fuses, 15A GFI receptacle
Product Name
Eaton auxiliary power switch
Catalog Number
DH363FRKA1600
UPC
782116418299
Product Length/Depth
9.89 in
Product Height
21.99 in
Product Width
10.78 in
Product Weight
0.01 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
Amperage Rating
100A
HP rating - max
30 at 480 Vac TD 1 Ph, 40 at 600 Vac TD 1 Ph, 60 at 480 Vac TD 3 Ph, 75 at 600 Vac TD 3 Ph
Voltage rating
600 V
Enclosure
NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Class H fuses
Fuse configuration
Fusible without neutral
Number Of Poles
Three-pole
Number of wires
3
Type
Single-Throw
Product Category
Heavy Duty, Fusible without neutral
Special features
15A GFI receptacle
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Specification Sheet - DH363FRKA1600
Feature → Business Impact → Application. 100 A amperage rating and 600 V voltage rating enable safe, full-load switching for demanding machinery, reducing arc flash exposure and helping meet industrial protection standards. This configuration supports reliable motor control in panelboards and control cabinets, minimizing downtime and simplifying procurement on manufacturing floors. Three-pole design with three wires and fusible without neutral, paired with Class H fuses, simplifies fault isolation, reduces replacement time, and aligns with common industrial fuse schemes. This arrangement is ideal for feeders and motor disconnects where a neutral is not required, such as conveyors, pumps, and HVAC drives, streamlining maintenance and improving service reliability. The NEMA 3R enclosure in painted galvanized steel delivers environmental protection for indoor and outdoor installations, lowering corrosion risk and extending service life in damp or exposed locations. A 15 A GFI receptacle adds convenient, code-compliant test points and auxiliary control access without compromising enclosure integrity, accelerating commissioning and reducing the need for additional outlets near critical equipment. UL Listed certification confirms safety compliance across applications and industries, while the compact dimensions (depth 9.89 in, height 21.99 in, width 10.78 in) support straightforward mounting in standard electrical spaces and existing switchgear layouts.
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FAQs
The DH363FRKA1600 is a three-pole, three-wire disconnect designed for fusible operation without a neutral. Plan for a standard panel mounting footprint and ensure correct phase alignment. Wiring should follow the 100 A, 600 V rating with Class H fuses installed in the fusible switching path. The unit’s NEMA 3R enclosure supports outdoor or damp locations, and space for the 15 A GFI receptacle should be considered in control cabinet layouts.
Key ratings include a 100 A amperage rating and a 600 V voltage rating. The fuse configuration is fusible without neutral, using Class H fuses. This setup provides robust fault protection for motors and control circuits, simplifies maintenance by standardizing fuse types, and aligns with common industrial protection schemes used in shop floors and plant rooms.
Yes. The enclosure is NEMA 3R rated and constructed from painted galvanized steel, offering weather resistance for outdoor and damp indoor locations. This design reduces environmental impact on critical disconnects, improves long-term reliability, and minimizes maintenance related to corrosion in exposed areas such as loading docks or exterior equipment spaces.
The DH363FRKA1600 is UL Listed, which confirms alignment with widely recognized electrical safety standards. This certification supports safer procurement, faster approval in regulated environments, and greater confidence in interchangeability with other UL-listed components within control panels and motor-disconnect assemblies.
Maintenance benefits come from a straightforward three-pole, fusible without neutral configuration that uses Class H fuses, simplifying spare parts stocking and replacement. The built-in 15 A GFI receptacle adds maintenance convenience for instrumentation and testing, while the NEMA 3R enclosure minimizes weather-related degradation. These features collectively reduce downtime, extend service life, and lower total cost of ownership across multiple control circuits.