(5) Reliance Electric SP500 VS Drives- 1 HP. Model: 1SU21001. S/N's: V000, SCS1SU252 V002 BB, 01GN052184 V009 SY, SC1SU24013 V020 RZ, and SC1SU24013 V031 RZ. Electrical requirements: 200/230 VAC, 7.0 amps, 50/60 Hz, 3 phase. Maximum continuous output amps: 5. Utilizes state-of-the-art digital microprocessing concepts and IGBT (insulated gate bi-polar) transistors, SP500 offers trip-free adjustable-speed performance for AC induction and synchronous motors. Enclosure is water-tight, dust-tight, and corrosive resistant. Overall dimensions: 5-1/2 in. L x 5 in. W x 12 in. H. (ACN6)