Synchronous alternator of KIRLOSKAR / CROMPTON / STAMFORD / LEROYSOMER make rated @ 1500 RPM at 0.8 lagging PF at 415 V suitable for 50 Hz 3 phase system. The alternator shall be in SPDP enclosure, IP 23, Class H Insulation, Self excited, Self regulated, Brushless (From 75 kVA) foot mounted with single bearing design. The alternator shall confirm to IS 4722, BS 5000 and IEC 34 and shall be suitable for tropical conditions.