UCI/UCM 27 is a range of 4-pole, single or 2-bearing AVR controlled generators. Engine adaptors to SAE 1, 2, & 3, and coupling discs to SAE 10, 111/2 & 14 are offered for UCI/UCM 27 UCDI 27 is a single core length higher output option, dedicated to SAE 2/111/2 or 1/14 adaptor/disc combinations. Windings offered are 12-wire reconnectable (for single or three phase). Voltages available range up to 690 V. IP22 enclosure protection is standard, IP23 is optional at reduced ratings.