I-3K

I-3K or the INSAT 3000 is a satellite bus developed by Indian Space Research Organisation (ISRO), and marketed by Antrix Corporation and New Space India Ltd. It is the standard bus for 3,000-kg class satellites; the 'I' in I-3K stands for INSAT, a group of communication satellites developed and launched by ISRO. The I-3K bus can supply DC power up to 6500 watts, and is suitable for satellites with lift-off mass in range of 3,000-3,400 kg.

List of satellites launched using I-3K bus

 * Eutelsat W2M (Now Afghansat 1)
 * INSAT series (4A | 4B)
 * GSAT series (8 | 10 | 16 | 15 | 18 | 19 | 17 | 24 | 29 | 30)