Eaton DH321FRKA1208 Fusible Safety Switch - UL Listed
Part Number: DH321FRKA1208
Quick Summary
The Eaton DH321FRKA1208 Fusible Safety Switch provides reliable protection for three-phase motor circuits in industrial environments. When downtime costs climb, this switch helps you quickly isolate faults and restore operation with a field-friendly, rugged design. It carries UL Listed certification and NEC 230.62 compliant barrier, with a NEMA 3R enclosure that withstands outdoor or damp locations. Designed for fast integration into existing systems, its three-pole, three-wire configuration, Class H fuses, and an 208 V auxiliary circuit with a 15 A GFI receptacle deliver practical control and troubleshooting capabilities while supporting compliant, scalable protection across plant floors.
Product Information
Extended Description
DH321FRKA1208 Eaton: Heavy Duty Safety Switch, Single-Throw, 30A, 240V, Three-pole, Three-wire, 208 V auxiliary circuit, Fusible without neutral, NEMA 3R, Painted galvanized steel, Class H fuses, 15A GFI receptacle
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH321FRKA1208
UPC
782116418152
Product Length/Depth
9.89 in
Product Height
16.27 in
Product Width
7.75 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.
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
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
Amperage Rating
30A
NEMA rating
NEMA 3R
Voltage rating
240V
Product Category
Heavy Duty, Fusible without neutral
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Specification Sheet - DH321FRKA1208
Feature: 30A at 240V three-pole, three-wire design. Business impact: protects motors and feeders with decisive interrupting capability while maintaining smooth startup sequences. Application: three-phase motor circuits in manufacturing lines. Feature: Fusible without neutral. Business impact: simplifies wiring and reduces neutral leakage risks, lowering miswiring errors during maintenance. Application: motor control centers and field-installed disconnects. Feature: NEMA 3R painted galvanized steel enclosure. Business impact: durable, weather-resistant housing minimizes corrosion and enclosure damage in outdoor or damp environments. Application: outdoor equipment rooms and harsh plant environments. Feature: Class H fuses. Business impact: selective protection with reliable fast-acting clearing for high-inertia loads, reducing nuisance trips. Application: critical load protection for pumps and compressors. Feature: 208 V auxiliary circuit with 15 A GFI receptacle. Business impact: provides convenient control power and fault protection for auxiliary equipment; reduces wiring and panel space needs. Application: control cabinets and programmable controllers. Feature: UL Listed and NEC 230.62 barrier compliance. Business impact: ensures code-compliant installation and easier project approvals. Application: new builds and retrofits requiring formal electrical compliance. Feature: Compact footprint with defined dimensions. Business impact: fits standard switchgear footprints and simplifies retrofit planning. Application: panel upgrades and confined spaces in manufacturing facilities.
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FAQs
This unit is a three-pole, three-wire disconnect with a NEMA 3R enclosure designed for outdoor or damp locations. Plan for a compact footprint (9.89 in depth, 16.27 in height, 7.75 in width) and ensure the control wiring leverages the 208 V auxiliary circuit and 15 A GFI receptacle for auxiliary devices. Verify NEC barrier compliance and use Class H fuses to match the motor load.
Rated for 30A at 240V with a fusible configuration without neutral, the switch is UL Listed and uses Class H fuses. It supports three-pole, three-wire operation and provides a 208 V auxiliary circuit for control circuits, including a 15 A GFI receptacle for fault protection and convenience.
Yes. The unit uses a NEMA 3R enclosure with painted galvanized steel and a rugged design, making it well-suited for outdoor or damp locations. NEC 230.62 barrier compliance adds an extra layer of electrical safety, helping with project approvals and long-term reliability.
The DH321FRKA1208 is UL Listed and adheres to NEC 230.62 barrier requirements, ensuring code-compliant installation. The NEMA 3R enclosure and fusible without neutral configuration further support safety during maintenance and operation in industrial settings.
Routine checks focus on fuse condition (Class H fuses) and enclosure integrity. The fusible design simplifies replacement, and the 208 V auxiliary circuit plus GFI receptacle support quick diagnostic testing and control wiring. Long-term ROI comes from reduced downtime, safer servicing, and code-compliant installations that pass inspections more readily.