What capacity elcb is to be used for 50Amp welding machine?

For a 50 Amp welding machine, it is recommended to use an Earth Leakage Circuit Breaker (ELCB) with a capacity of at least 63 Amps to ensure it can handle the load safely. Additionally, the ELCB should have a sensitivity rating of 30 mA to provide adequate protection against earth faults. Always consult local electrical codes and a qualified electrician to ensure compliance and safety.