The LC3F330U7A64 is a pre-wired star delta starter from the TeSys F range, designed for motor control in AC-3 duty. It handles a rated operational current of 330 A at up to 440 V AC, which translates to motor power ratings of 160 kW at 220/230 V, 280 kW at 380/400/415 V, and 315 kW at 440 V. This is a three-pole assembly with a mechanical interlock between the star and delta contactors, preventing simultaneous closure. The operating sequence is timed: a 30-second starting period, with closing times of 40 to 65 ms and opening times of 100 to 170 ms.
The 330 A rating at AC-3 is the motor-switching current, not a resistive load rating. For a 315 kW, 440 V motor, this starter handles the inrush during star-delta transition. The rated making capacity is 3300 A and the breaking capacity is 2640 A, both per IEC 60947-4-1 — these numbers tell you the contactor can close onto and interrupt a locked-rotor fault without welding or excessive arcing. The auxiliary contact configuration is factory-set: 1 NC + 1 NO on the star contactor, 2 NC + 1 NO on the line contactor, and 1 NC + 2 NO on the delta contactor. This covers the standard star-delta control logic without needing add-on blocks. Mounting is plate-based, not DIN rail. The unit measures 725 mm wide by 110 mm high by 276 mm deep. Power connections use M10 bolts and accept busbars up to 30 x 5 mm or ring terminals up to 240 mm². Control wiring is via screw clamp terminals accepting 1 to 4 mm² flexible or solid conductors.
This starter is sized for a motor control centre (MCC) or a dedicated panel backplate. The plate mounting and bolted power connections mean it's a permanent install, not a snap-in replacement. The IP20 front face with shrouds (per IEC 60529 and VDE 0106) provides basic finger protection once wired. Heat dissipation is 8 W, so ventilation in the enclosure is minimal. Protective treatment is TH for tropical environments.
Compliance documentation covers IEC 60947-4-1 and EN 60947-4-1 for contactors and starters, plus JIS C8201-4-1 for the Japanese market. The rated insulation voltage is 1000 V per IEC 60947-4-1 and 1500 V per VDE 0110 Group C. Associated fuse ratings are 500 A gG or 400 A aM at up to 440 V.