GE DDID1-321 - 30A, 240V, 3-Pole, Fusible, Switch

GE DDID1-321 — a robust 30A, 240V, 3-Pole Fusible Switch designed for reliable on/off isolation and precise overcurrent protection in demanding industrial and commercial environments.

Key specifications

• Model: DDID1-321
• Amperage: 30A
• Voltage: 240V
• Poles: 3-Pole
• Fused: Fusible

Why this fusible switch stands out

Among disconnect solutions, the DDID1-321 delivers a compact, maintainable design that combines an isolation switch with fusible protection. The 3-Pole configuration ensures true three-phase isolation, which simplifies wiring, improves safety, and supports clean power-downs for multi-motor applications. Built for reliability in challenging environments, this GE switch resists dust, vibration, and temperature variations while keeping serviceability front and center for routine maintenance and fuse changes.

Ideal use cases

• Motor disconnects in small to mid-size industrial machinery and processing lines
• Selective isolation and protection for panelboards and branch circuits
• OEM equipment where a compact, serviceable fusible switch is a perfect fit

Practical benefits and outcomes

• Integrated overcurrent protection reduces downtime by enabling quick, controlled shutdowns during faults
• 3-pole assembly provides balanced protection across all three phases, enhancing system safety
• Compact footprint simplifies panel design and allows easier access for inspection and fuse replacement

Installation and compatibility considerations

• Designed for 240V three-phase systems; ensure compatible fuse blocks and wiring per local codes
• Best installed by qualified electrical professionals in accordance with NEC, IEC, and other applicable standards
• Assess enclosure space and wiring routes to maintain clear access for maintenance and fuse changes

GE quality and long-term value

With GE’s legacy of dependable electrical components, the DDID1-321 offers predictable performance, straightforward troubleshooting, and durable operation in harsh industrial settings. If you need a reliable, maintainable solution for motor control, panel protection, and safe isolation, this 3-Pole Fusible Switch is engineered to meet the challenge.