Eaton DH221FRK Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH221FRK
Quick Summary
Eaton DH221FRK heavy duty fusible safety switch provides reliable overcurrent protection for motor controls and industrial panels in harsh environments. Maintenance teams frequently contend with downtime from difficult disconnects and slow fuse changes, driving costs. This unit combines UL Listed reliability, a NEMA 3R painted galvanized steel enclosure, and Class H fuse provisions to withstand outdoor exposure and demanding facilities. With two poles and a fusible configuration without neutral, it supports 240 V circuits while protecting up to 1.5 to 5 hp per phase for typical single-phase drives. The result is safer, code-compliant switching that reduces maintenance time and aligns with modernization budgets.
Product Information
Extended Description
DH221FRK Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blade, 30 A, NEMA 3R, Painted galvanized steel, Class H, Fusible without neutral, Two-pole, Two-wire, 240 V, Max Hp: 1.5, 5 hp (1PH @240V/250 Vdc), #14-#2 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH221FRK
UPC
786685176741
Product Length/Depth
18 in
Product Height
7.5 in
Product Width
9.5 in
Product Weight
14 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
Enclosure
NEMA 3R
Enclosure material
Painted galvanized steel
Fuse class provision
Class H
Fuse configuration
Fusible without neutral
Number Of Poles
Two-pole
Number of wires
2
Type
Heavy duty fusible safety switch
Amperage Rating
30A
HP rating - max
1.5, 5 hp (1PH @240V/250 Vdc)
NEMA rating
NEMA 3R
Voltage rating
240V
Product Category
Heavy Duty, Fusible without neutral
Two-pole, 30A design with Class H fusible without neutral delivers precise overcurrent protection. The business impact is fast, safe fuse replacement and minimized panel downtime during maintenance. This is ideal for motor control circuits and 240 V feeders in small to mid-size industrial equipment. Enclosure is a NEMA 3R, painted galvanized steel, providing weather and corrosion resistance for outdoor installations. The impact is longer service life and reduced enclosure maintenance, enabling reliable operation in outdoor pump panels and yard automation. Compact footprint with dimensions of 18 in by 7.5 in by 9.5 in and a weight of 14 lb supports easy integration into tight control cabinets, reducing field labor during retrofit projects. The HP rating of 1.5 and 5 hp (1PH @240V/250Vdc) covers common drives and small motors, delivering reliable protection without oversizing. UL Listed certification and Eaton’s 25-000 warranty offer compliance confidence and predictable maintenance budgeting, supporting modernization initiatives and reducing risk in facility upgrades.
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FAQs
DH221FRK uses a two-pole fusible configuration without neutral and is designed for 240V single-phase or two-wire feeders. Install in a NEMA 3R enclosure with adequate clearance for safe operation. Wire per local codes, use conductors in the #14-#2 Cu/Al range, and verify the 240V rating matches your drive or motor. Ensure proper grounding and secure mounting for safe maintenance.
UL Listed indicates compliance with recognized safety standards, and the unit’s NEMA 3R enclosure provides weather resistance for outdoor or washdown environments. The painted galvanized steel further resists corrosion, expanding service life in harsh facilities. For outdoor installations, ensure proper mounting, drainage, and clearances to maintain performance and safety.
DH221FRK protects circuits at 30A with a 240V rating and supports up to 1.5 to 5 HP per phase for 1PH at 240V or 250Vdc applications. This makes it suitable for small to mid-size motors and drives in light industrial settings, providing robust protection without oversizing the switch.
Yes, the device is fusible without neutral and uses a two-wire configuration. When replacing fuses, follow Class H fuse specifications and ensure correct fuse type and rating. Use appropriate conductor gauges (#14-#2 Cu/Al) and re-tighten connections to maintain electrical integrity and safety during maintenance.
The DH221FRK carries Eaton’s warranty policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. For parts, service, or fuse accessories, contact Eaton support. This warranty supports maintenance planning and helps minimize downtime during equipment modernization or panel upgrades.