ABB OS200J03 - 200A, 3-Pole, Fused Disconnect Switch

The ABB OS200J03 is a robust, industrial-grade Fused Disconnect Switch designed to deliver safe, reliable electrical isolation in demanding environments. With a 200A rating and a 3-pole configuration, it ensures decisive disconnection even when circuits are energized. Built to support proper lockout/tagout procedures, this switch minimizes maintenance risk while delivering long-term durability in harsh industrial and commercial settings.

What makes the ABB OS200J03 distinctive

• Fused disconnect switch for integrated overcurrent protection, enabling rapid fault clearing and reducing arc exposure.
• Full-phase isolation with 3 poles ensures no residual load remains on any conductor during service.
• Lockout/tagout friendly design supports safe maintenance practices and compliance with safety protocols.
• Rugged construction and materials chosen for longevity in challenging environments, delivering predictable performance over time.
• Designed for reliable disconnection under load, helping minimize downtime during motor or power equipment servicing.

Ideal applications

• Industrial facilities with large motors, conveyors, pumps, or processing equipment that require dependable isolation during service.
• Commercial power distribution panels and service entrances needing a compact, durable 3-pole fused switch.
• Maintenance shutdowns where clear, secure lockout/tagout of power is essential.
• Panel builders integrating robust, field-proven isolation devices into MCCs and switchgear.

Key specifications

• Amperage Rating: 200A
• Number of Poles: 3-Pole
• Product Type: Fused Disconnect Switch
• Brand: ABB
• Model: OS200J03

Compared to non-fused disconnects, the fused design adds an extra layer of protection by providing integrated overcurrent protection, aiding fault containment and simplifying safety compliance during maintenance. This makes the OS200J03 a smart choice for facilities prioritizing reliable isolation, predictable performance, and streamlined safety procedures.

Practical considerations for installation and maintenance

• Ensure you have the correct fuse elements compatible with 200A and 3-Pole configurations on hand for quick replacements.
• During wiring, verify proper phase alignment to guarantee full isolation across all conductors when the switch is opened.
• Pair the OS200J03 with standard lockout/tagout devices and maintain clear documentation to demonstrate compliance during audits.
• Schedule regular inspections for signs of wear, corrosion, or contact degradation after extended operation, and perform timely maintenance to preserve reliability.

Engineered by ABB for demanding environments, the OS200J03 delivers confident electrical isolation, streamlined safety procedures, and durable performance across industrial and commercial applications.