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ABB OT80F3

The ABB OT80F3 is a high-performance 80A 3-pole rotary switch-disconnector designed for heavy-duty industrial isolation. Engineered in Finland as part of the prestigious OT series, this compact thermoplastic unit provides a definitive electrical break for 415V systems. With its AC-23A utilization category, it is specifically optimized for switching highly inductive loads, such as motors, ensuring maximum safety and operational longevity in demanding control environments.

Quick Answer

The ABB OT80F3 is best used as a manual main switch or local motor disconnect in industrial 3-phase systems requiring high-reliability 80A isolation and DIN rail compatibility.

✓Robust 80A current rating for heavy industrial machinery.
✓AC-23A utilization category suitable for high-inductive motor switching.
✓Versatile dual mounting: compatible with both DIN rail and panel installations.
✓IP65 protection rating for superior resistance against dust and moisture.
✓Finnish-engineered precision with a compact thermoplastic housing design.

Choose the ABB OT80F3 if you need a premium, Finnish-made 80A isolation switch that fits easily into standard DIN rail cabinets and offers the highest reliability for switching motor-heavy 3-phase loads.

✓ Who Should Buy

  • •Industrial panel builders requiring a compact 80A DIN-rail disconnector.
  • •Maintenance engineers looking for a reliable IP65-rated local motor isolator.
  • •OEMs designing 3-phase machinery for 415V electrical environments.

✕ Who Should Avoid

  • •Residential users requiring built-in short-circuit or overload protection (this is an isolator only).
  • •Low-power applications where a cheaper 16A or 25A switch would suffice.
Product Overview
The ABB OT80F3 represents a pinnacle in the 'OT' rotary switch disconnector lineage, meticulously crafted to handle 3-phase electrical configurations with absolute precision. Operating at a rated voltage of 415V, this switch is a non-fusible solution that prioritizes clear isolation and mechanical durability. Its screw terminal design ensures vibration-proof connectivity, making it an essential component for control panels where space-saving and high-amperage performance are non-negotiable. Built with safety as a core pillar, the OT80F3 features a clear rotary mechanism that provides maintenance personnel with a visible and reliable indication of the circuit status. While it functions as a pure switch-disconnector without integrated overcurrent protection, its high thermal stability and dielectric strength make it the ideal companion for upstream circuit breakers, providing a dedicated point of isolation for routine maintenance and emergency stops.

BrandABB
Model NameOT80F3
TypeMain Switch Disconnector
SeriesOT Rotary Switch Disconnector
Housing MaterialThermoplastic
Country Of OriginFinland
Release Year2000

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Engineering Analysis
The internal architecture of the OT80F3 utilizes silver-plated copper contacts designed for high-speed separation to quench arcs rapidly. The rotary mechanism is spring-loaded to ensure that the contact speed is independent of the operator's physical force, a critical factor in preventing contact welding. Furthermore, the IP65 sealing and screw terminal configuration facilitate high-torque tightening, ensuring that the 80A current flow remains stable without localized heating at the connection points.

Technical Support & FAQs