Adiabatic Equation

Calculate minimum CPC size using the adiabatic equation from BS 7671 Table 54.4 for fault current protection.

Table 54.4

Calculate minimum CPC size using the adiabatic equation from BS 7671 Table 54.4 for fault current protection.

Fault Current — If (A)

Disconnection Time — t (s)

k Factor (from BS 7671 Table 54.4)