Eaton DH221NGK Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH221NGK
Quick Summary
Eaton DH221NGK heavy duty fusible safety switch provides dependable motor protection for industrial control panels. It helps mitigate nuisance fuse trips and downtime by delivering precise overload protection matched to your motor load. UL Listed certification underpins safety compliance, while the NEMA 1 painted steel enclosure supports indoor installations and the Class H fuse provision with a neutral wire optimize control of 3-phase equipment. With a 30 A rating and HP up to 7.5 hp/5 hp in appropriate configurations, it integrates quickly into existing panels and delivers reliable protection with straightforward maintenance and service. This makes it a practical choice for panel builders, OEMs, and maintenance teams seeking durable, code-compliant protection.
Product Information
Extended Description
DH221NGK Eaton: Eaton Heavy duty single-throw fused safety switch, Enhanced visible blade, 30 A, NEMA 1, Painted steel, Class H, neutral, Two-pole, Three-wire, 240 V, Max Hp: 1.5, 3 hp/3, 7.5 hp/5 hp (1,3PH @ Std fuse/time delay/250 Vdc), #14-#2 Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH221NGK
UPC
782113205342
Product Length/Depth
16.5 in
Product Height
8.5 in
Product Width
9.5 in
Product Weight
16 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
Catalog Notes
3-Phase hp ratings shown are grounded B phase ratings; UL listed
Enclosure
NEMA 1
Enclosure material
Painted steel
Fuse class provision
Class H
Fuse configuration
Fusible with neutral
Number Of Poles
Two-pole
Number of wires
3
Type
Heavy duty fusible safety switch
Amperage Rating
30A
HP rating - max
1.5, 3 hp/3, 7.5 hp/5 hp (1,3PH @ Std fuse/time delay/250 Vdc)
NEMA rating
NEMA 1
Voltage rating
240V
Product Category
Heavy Duty, Fusible with neutral
Feature: 30 A, 240 V, two-pole, three-wire fusible switch with neutral. Business impact: robust overcurrent protection for motors and control circuits reduces incident-driven downtime and supports safer startup sequences. Application: ideal for 3-phase motor circuits in manufacturing lines and packaging equipment. Feature: Enhanced visible blade for quick status checks. Business impact: faster troubleshooting and reduced lockout/tagout times, improving maintenance efficiency. Application: panel assemblies where rapid verification of switch position is critical. Feature: NEMA 1 enclosure with painted steel construction. Business impact: durable indoor protection against dust and minor impacts, extending service life in workshop environments. Application: switchgear in controlled plant floors and switch cabinets. Feature: Fuse class provision Class H and fusible with neutral configuration. Business impact: supports reliable protection with compatible time-delay fuses, minimizing nuisance trips while protecting wiring and components. Application: motor control centers and feeder circuits requiring neutral access. Feature: HP rating up to 1.5, 3 hp/3, 7.5 hp/5 hp (1,3PH @ std fuse/time delay/250 Vdc). Business impact: covers a broad motor range without changing protection hardware, simplifying procurement and installation. Application: small to mid-size motors in conveyors, pumps, and fans. Feature: UL Listed certification and documented warranty. Business impact: regulatory compliance and vendor-backed support reduce project risk and maintenance costs. Application: any regulated facility or contractor-led installation.
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FAQs
Plan for a 240 V supply, two-pole, three-wire configuration with a neutral. Mount the unit in an indoor, clean environment as per NEMA 1 protection, and ensure wiring matches the Class H fuse requirements. Verify UL Listed status and consult the catalog notes for phase ratings.
The switch supports up to 30 A with HP ratings of 1.5, 3 hp, and 7.5 hp (5 hp in certain 1- and 3-phase configurations) using standard fuse/time-delay at 250 Vdc. This makes it suitable for small to mid-size motors in common plant applications.
Yes, the DH221NGK is UL Listed, providing recognized safety compliance for electrical protection devices. This helps meet project codes and customer expectations for certified components in industrial panels.
Product Length/Depth is 16.5 in, Height is 8.5 in, Width is 9.5 in, and the weight is 16 lb, making it a compact, installable option for focused control panels.
The product carries Eaton’s warranty policy 25-000, typically one year from installation or eighteen months from shipment, whichever occurs first, providing assurance and service support for aftermarket maintenance.