The ABB OT100F3 is a 3-pole, front-operated, base-mounted switch disconnector designed for reliable circuit interruption. It features front-protected clamp terminals and is suitable for DIN-rail mounting. This non-fusible disconnect switch offers a main circuit operational voltage of up to 750 volts and a rated insulation voltage of 750 volts according to IEC/EN 60664-1. It meets rigorous international standards including IEC 60947-3, UL 98, and CSA C22.2 NO.4, ensuring robust performance in various applications. The unit is built for durability and safety, with a rated short-time withstand current of 2.5 kiloamperes for 1 second and a rated impulse withstand voltage of 8 kilovolts..The ABB OT100F3 is a 3-pole, non-fusible switch disconnector. It operates at a main circuit voltage of 750 volts and has a rated insulation voltage (Ui) of 750 volts per IEC/EN 60664-1. The switch is designed for base mounting and is DIN-rail mountable. It has a rated short-time withstand current (Icw) of 2.5 kiloamperes for 1 second and a rated impulse withstand voltage (Uimp) of 8 kilovolts. The product complies with IEC 60947-3, UL 98, and CSA C22.2 NO.4 standards. The handle and shaft are not included.AC21A ($\le$690V): 100 A [p437: lovato_catalog.pdf] | AC21A ($\le$690V): 100 A [p452: lovato_catalog.pdf] | AC22A ($\le$690V): 100 A [p437: lovato_catalog.pdf] | AC23A ($\le$400V): 100 A [p437: lovato_catalog.pdf] | AC23B ($\le$400V): 100 A [p452: lovato_catalog.pdf] | AC23B ($\le$500V): 80 A [p452: lovato_catalog.pdf] | Technician Tip: When replacing an ABB OT series switch with a Lovato unit, ensure you verify the pole configuration (F3 typically denotes 3 poles) and the mounting requirements (DIN rail vs. screw mounting) to ensure a seamless fit in your existing panel.