SNo |
IS Number |
Title |
Technical Committee |
1 |
IS 3638 : 1966 |
Application guide for gas - Operated relays |
ETD 35 |
2 |
IS 3842 : Part 1 : 1967 |
Application guide for electrical relays for AC systems: Part i overcurrent relays for feeders and transformers |
ETD 35 |
3 |
IS 3842 : Part 2 : 1966 |
Application guide for electrical relays for AC systems: Part 2 overcurent relays for generators and motors |
ETD 35 |
4 |
IS 3842 : Part 3 : 1966 |
Application guide for electrical relays for AC systems: Part 3 phase unbalance relays including negative phase sequence relays |
ETD 35 |
5 |
IS 3842 : Part 4 : 1966 |
Application guide for electrical relays for AC systems: Part 4 thermal relays |
ETD 35 |