Eaton Cutler-Hammer DG221NGB 30A 2P 240V Safety Switch, NEMA 1, Fusible | AmpState

The Eaton Cutler-Hammer DG221NGB 30A 2P 240V Safety Switch is a robust, code-ready solution for equipment disconnect and isolation at the point of use. With a NEMA 1 indoor enclosure and a fusible configuration, this switch is designed for reliable performance during retrofit projects and maintenance where the part number must stay consistent.

Key specifications

• Amperage: 30 A
• Poles: 2
• Voltage: 240 V
• Enclosure: NEMA 1 (indoor protection against solid contaminants)
• Configuration: Fusible
• Manufacturer: Eaton Cutler-Hammer
• Part number: DG221NGB

Why this safety switch stands out

As a dedicated equipment disconnect at the point of use, the DG221NGB blends fuse-based protection with straightforward operation. The fusible design provides reliable overcurrent protection for downstream equipment, helping you meet electrical safety standards and minimize downtime during maintenance or retrofit work.

Ideal use cases

• Retrofit projects where maintaining the same part number streamlines procurement and planning
• Maintenance windows requiring safe, rapid isolation of 240V circuits
• Indoor control panels or motor circuits that benefit from a compact, 2-pole safety switch

Installation and maintenance tips

Install by qualified personnel in accordance with applicable codes and fuse compatibility guidelines. Regularly inspect the enclosure for wear and ensure spares of the properly rated fuses are available to restore protection quickly after service. Remember, the safety and effectiveness of a fusible switch depend on correct fuse sizing and timely replacement.

Support and compatibility

AmpState offers the DG221NGB safety switch, and our team can help verify fit for your panel or retrofit project. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.