The YC1U-11A240 is an AC contactor with a 240V AC coil designed for industrial switching applications. It features a 3-pole main contact configuration (3A1a) with a rated operational current of 12A at 240V single-phase and 12A at 220/380/400V three-phase, with a thermal current rating of 25A (IEC) or 24A (UL). The contactor has a making capacity of 10×Ie and breaking capacity of 8×Ie, with a switching frequency of 1200 operations per hour and an electrical life of 1,000,000 operations. It operates across a temperature range of -20°C to +55°C and is suitable for motor control, power distribution, and general industrial load switching applications where reliable AC switching is required.