ABB OT100F3 - 100A, 3-Pole, Fused Disconnect Switch

The ABB OT100F3 is a robust 100A, 3-pole fused disconnect switch designed to deliver safe, reliable electrical isolation in demanding industrial and commercial environments. Built to support lockout/tagout procedures and maintain dependable disconnection under load, this switch helps keep crews safe and downtime minimal.

Key features that matter in real-world operation

• 100A current rating provides solid protection for medium-sized motors, feeders, and panel circuits without oversizing equipment.
• 3-pole configuration suited for three-phase systems, ensuring balanced isolation and clean shutdown across all phases.
• Fused design adds overcurrent protection and controlled interruption, reducing arcing and wear on downstream equipment.
• Lockout/Tagout readiness compatible construction supports standard safety procedures during maintenance.
• Durable performance engineered for long service life in challenging environments, minimizing maintenance cycles.

Ideal applications

• Motor circuits on manufacturing lines that require safe isolation during maintenance
• Feeder disconnects for service panels in commercial facilities
• Emergency isolation points for critical infrastructure where quick, reliable disconnection matters

Why choose this ABB solution

With the ABB OT100F3, you’re not just buying a switch; you’re investing in a proven isolation device from a trusted brand. Its fused design minimizes risk during fault conditions, while the 3-pole layout ensures every phase is safely removed from the circuit. The 100A rating is well-suited for mid-size loads, giving you headroom for startup surges without sacrificing protection.

Specifications

• Amperage Rating: 100 A
• Number of Poles: 3-Pole
• Product Type: Fused Disconnect Switch
• Brand: ABB
• Model: OT100F3

Practical tips for optimal performance

• Integrate the OT100F3 into preventive maintenance plans to ensure fuse integrity and reliable isolation.
• Pair with established lockout/tagout procedures to maximize workplace safety during service and downtime.
• Use in mid-size, three-phase electrical feeds where a controlled disconnection under load is required.

Choose ABB OT100F3 for dependable, code-compliant electrical isolation that stands up to daily industrial demands. It’s a practical, scalable solution for facilities aiming to enhance safety, uptime, and maintenance efficiency.