Frequently asked questions
Is harmonic 2 (H2) restraint function available in Sepam protection relay range?
FAQ000192187
30 September 2021
H2 restraint functions on ANSI 50/51 are available on the below Sepam relays:Sepam 20: Firmware version 0938 and above.
Sepam 40: Firmware version 7.00 and above.
Sepam 80: Firmware version 8.01 and above
H2 restraint functions on ANSI 50N/51N are available on the below Sepam relays:
Sepam 20: Firmware version 0938 and above.
Sepam 40: Firmware version 6.02 and above.
Sepam 80: Firmware version 5.26 and above.