The CQSWT C660-S generator set is a joint development of Chongqing Saiwat and Cummins, using Cummins KTA38-G2 engine and Stanford LVI634B generator, with rated power of 600/750 kW/kVA, rated frequency of 50 Hz, rated voltage of 400/230 V, rated current of 1083 A, and circuit breaker capacity of 1250 A. It meets the standards of ISO3046 ISO8528 IEC34 BS EN 60034 BS5000 VDE0530 AS1359 CSA C22.2-100.