Eaton DH221NDK - 30A, Heavy-Duty, Safety Switch, NEMA 1

The Eaton DH221NDK is a 30A, heavy-duty safety switch built to withstand demanding industrial and commercial environments while delivering reliable on/off isolation and overcurrent protection. Encased in a sturdy NEMA 1 enclosure, this unit is designed for indoor control and protection where space efficiency and dependable performance matter most.

Why the DH221NDK stands out

• Compact, maintenance-friendly fusible switch—combines protection and control in a single, easy-to-service package, simplifying fuse replacement and routine maintenance.
• 30-amp capacity—robust enough to handle motor disconnects and branch circuits without oversized equipment or complicated wiring.
• NEMA 1 enclosure—provides solid indoor protection against dust and incidental contact, ideal for protected control panels and electrical rooms.
• Heavy-duty construction—built to deliver reliable performance in environments where reliability and durability are essential, reducing downtime and service calls.
• Versatile application—designed for motor disconnects, panelboards, and branch circuit protection, making it a practical choice for smaller industrial drives and commercial equipment lines.

Who it's ideal for

Manufacturers, facilities engineers, and maintenance teams seeking a compact, rugged disconnect solution that combines switch functionality with overcurrent protection. It’s especially well-suited for motor circuits, small drive systems, and control panels where space is at a premium and dependable isolation is critical.

Practical benefits and use cases

• Motor protection and isolation—quickly disconnect a motor for safe maintenance or during faults, while providing built-in overcurrent protection.
• Panelboard integration—fits neatly into existing control panels and switchgear layouts, enabling streamlined wiring and orderly field routing.
• Maintenance ease—fuse access and replacement designed for fast service, minimizing downtime during routine checks or fuse changes.
• Indoor protection for demanding environments—NEMA 1 rated enclosure guards against dust and incidental contact in typical indoor electrical rooms and equipment bays.

Specs at a glance

• Model: DH221NDK
• Amperage: 30A
• NEMA Rating: 1
• Duty: Heavy

Choosing the Eaton DH221NDK means opting for a purpose-built solution that prioritizes safety, ease of maintenance, and compact integration. It delivers dependable isolation and protection for motor loads and branch circuits, helping you keep operations running smoothly with less complexity and downtime.