Eaton DH321FGKJ Fusible Safety Switch - UL Listed
Part Number: DH321FGKJ
Quick Summary
Eaton DH321FGKJ fusible safety switch is a heavy-duty, three-pole device designed for motor protection in industrial panels. Engineers often face challenges with unsafe isolation procedures and nonstandard fuse configurations that complicate panel builds. UL Listed, NEC 230.62 (C) compliant barrier, and a NEMA 1 painted steel enclosure deliver safety, code compliance, and durable field performance. With a 30A rating at 240V and factory-provided Class J fuse provisions, this switch supports efficient, maintainable panel designs and reduces total cost of ownership in retrofit and new-install projects.
Product Information
Extended Description
DH321FGKJ Eaton: Eaton Heavy duty single-throw fused safety switch, 30 A, NEMA 1, Painted steel, Class J, Fusible without neutral, Three-pole, Three-wire, 240 V, Max Hp: 1.5, 3/ 3, 7.5/ 5 hp (1,3PH @Std/TD, 250 Vdc), #14-#2 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH321FGKJ
UPC
782113362960
Product Length/Depth
16.5 in
Product Height
8.5 in
Product Width
9.5 in
Product Weight
10 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
Catalog Notes
Type J fuse provisions are available from the factory only.
Enclosure
NEMA 1
Enclosure material
Painted steel
Fuse class provision
Class J
Fuse configuration
Fusible without neutral
Number Of Poles
Three-pole
Number of wires
3
Type
Heavy duty fusible safety switch
Wire size
#14-2 AWG Cu/Al
Amperage Rating
30A
HP rating - max
1.5, 3/ 3, 7.5/ 5 hp (1,3PH @Std/TD, 250 Vdc)
NEMA rating
NEMA 1
Voltage rating
240V
Product Category
Heavy Duty, Fusible without neutral
Feature: NEMA 1 enclosure and painted steel construction. Business Impact: Provides robust enclosure protection against incidental dust and incidental contact, improving panel integrity in general purpose environments. Application: Suitable for control panels in manufacturing and packaging lines where a clean, code-compliant enclosure is required. Feature: Three-pole, three-wire configuration with fusible without neutral. Business Impact: Ensures reliable three-phase protection with simplified wiring, reducing mis-wiring risk and service time. Application: Ideal for three-phase motors and pumps in conveyor systems and process equipment. Feature: 30A amperage rating at 240V with Class J fuse provisions. Business Impact: Delivers precise overcurrent protection while enabling fast fuse replacement and standardization across fleets, lowering downtime during maintenance. Application: Motor drives and Fan/Pump circuits in light-industrial environments. Feature: Wire size capacity #14-2 AWG Cu/Al. Business Impact: Compatible with common small-motor leads, enabling straightforward terminations and inventory optimization. Application: panel junctions and motor starter integrations. Feature: UL Listed, NEC 230.62 (C) Compliant Barrier, Catalog notes on factory fuse provisions. Business Impact: Enhances regulatory certainty and ease of compliance during audits; reduces field customization time. Application: Restricted-fuse installations in regulated facilities and upgrade projects. Insight: The DH321FGKJ’s compact footprint (16.5 in L, 9.5 in W, 8.5 in H) and 10 lb mass support easy mounting in standard enclosures, speeding installation for panel builders and reducing freight costs.
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FAQs
Install the DH321FGKJ in a NEMA 1 enclosure with three incoming conductors and three outgoing conductors, wire as a three‑pole, three‑wire switch, and use Type J fuses as factory provisions indicate. Follow the included catalog notes to confirm fuse compatibility and torque spec on lugs for Cu/Al conductors #14‑2 AWG.
The unit is rated for 30A at 240V, three-pole, fusible without neutral, with Class J fuse provisions. It uses #14‑2 AWG Cu/Al wiring and is UL Listed, meeting NEC 230.62 (C) barrier requirements for safe operation in standard industrial panels.
Yes. With a 30A rating and 240V three-phase configuration, it provides reliable motor protection for conveyors, pumps, and similar equipment. The Class J fuse provisions and 3‑pole design support safe interruption of fault currents in typical industrial control circuits.
This switch is UL Listed and features a NEC 230.62 (C) compliant barrier and a NEMA 1 enclosure, ensuring code compliance and safe, repeatable installations in general industrial environments.
Routine inspection of fuse provisions and enclosure integrity is advised. Because fuses are factory-provisioned, maintenance downtime is minimized. The compact design and standard wiring simplify replacements and reduce long-term lifecycle costs across multiple panels.