HCI/HCM 4 is a range of 4-pole, single or 2-bearing AVR controlled generators. Engines adaptors to SAE 0, 1/2, 1, 2 & 3 and coupling discs to SAE 111/2, 14 & 18 are offered for HCI/HCM 4. HCKI 4 is a higher output alternative to HCI 4, dedicated to SAE 2/111/2, 1/14, 1/2/14 or 0/18 adaptor/disc coupling options. Windings offered are 12-wire reconnectable Voltages available range up to 690 V. IP22 enclosure protection is standard, IP23 is optional at reduced ratings