ABB OS-250D03 - 250A, 240V, 3-Pole, Disconnect Switch

Introducing the ABB OS-250D03 disconnect switch—a robust, purpose-built solution for reliable power isolation in demanding industrial and commercial settings. With a 250A rating at 240V and a 3-pole configuration, it provides synchronized, on/off control and integrated overcurrent protection for critical equipment and circuits.

Designed for spaces where compact, maintainable equipment is essential, the OS-250D03 is a compact, maintainable fusible switch that fits neatly into motor circuits, panelboards, and branch circuits. Its three-pole design ensures all phases are isolated simultaneously, reducing wear and preventing backfeed during maintenance or fault conditions.

• Three-pole configuration for complete phase isolation and safer motor shutdowns
• 250A current rating at 240V to support demanding motors and feeders
• Compact, maintainable fusible switch that simplifies servicing and reduces downtime
• Ideal for motor disconnects, panelboards, and branch circuit protection in industrial spaces
• Rugged construction designed to withstand the rigors of busy commercial and industrial environments

Use cases include motor disconnects on conveyors, pumps, fans, and line drives; main or feeder disconnects in panelboards; and branch circuit protection for critical equipment where a compact, self-contained switch is needed.

Technical specs

• Model: OS-250D03
• Amperage: 250A
• Voltage: 240V
• Poles: 3-Pole
• Switch type: Disconnect switch (fusible)

Installation should be performed by qualified personnel in accordance with applicable electrical codes and safety practices. Ensure power is shut off and lockout/tagout procedures are followed during servicing. The OS-250D03 is intended as a controlled isolation device that complements upstream protection and control systems.

Choose the ABB OS-250D03 when you need a dependable, compact disconnect that keeps your critical electrical loads protected and easy to maintain.