Schneider Electric LUCA12FU-LUB12 Motor Starter

The Schneider Electric LUCA12FU-LUB12 Motor Starter is a Telemecanique TeSys U standard control unit paired with a LUB12 power base, a 3‑pole combination motor starter for three‑phase motors up to 12 A and 690 VAC. It provides integrated thermal‑magnetic motor protection, including overload, short circuit, phase loss, and earth fault protection, delivering motor starting and protection in a compact plug‑in package. Commonly installed in motor control centers, conveyors, pumps, compressors, packaging machinery, and other industrial automation systems, it helps simplify installation, maintenance, and OEM replacement tasks. Key specifications include rated voltage 690 VAC, adjustable current from 3 to 12 A, coil voltage 110–240 VAC or 110–220 VDC, and 3 poles; mounting is plug‑in to the LUB12 base, with compatibility to LUB12, LUB32, LUB38, LUB120, LUB320, LUB380 power bases and LU2B reversing contactor breakers. Protection ratings cover Class 10 thermal overload, short circuit, phase loss, phase imbalance, and earth fault protection. Manufacturer: Telemecanique (Schneider Electric); MPN LUCA12FU (with LUB12 Power Base); Replacement: OEM direct replacement.