The Stamford UCI/UCM 27 is a 4-pole, 2-bearing or single AC generator that works with SAE 1, 2 and 3 adaptors and coupling discs to work with care. The UCDI 27 feature is a single core length output choice that works for SAE 2/111/2 standards and 1/14 adaptor/disc sets. The windings can work with 12-wire connections and voltages up to 690 V at a time. An IP23 enclosure is also used while ad rip-proof model can work on a marine version of this product.