| MCB Rating | Type B | Type C | Type D | |------------|--------|--------|--------| | 6A | 7.67 | 3.83 | 1.92 | | 10A | 4.60 | 2.30 | 1.15 | | 16A | 2.87 | 1.44 | 0.72 | | 20A | 2.30 | 1.15 | 0.58 | | 32A | 1.44 | 0.72 | 0.36 | | 40A | 1.15 | 0.58 | 0.29 |
Where $U_0$ is the nominal voltage to earth (e.g., 230V). earth fault loop impedance calculator
Whether you are designing a new circuit or verifying an existing one, an is your best defense against calculation errors. By automating the math behind | MCB Rating | Type B | Type
$$Z_s = Z_e + (R_1 + R_2)$$