Residual Current Circuit Breaker 40Amp 2 Pole, Residual Current Circuit Breaker 63Amp 2 Pole, Residual Current Circuit Breaker 63Amp 4 Pole, Surge Protection Devices Short Circuit Rating 50KA 1P plus N Type 1 plus 2, Surge Protection Devices Short Circuit Rating 50KA 3P plus N Type 1 plus 2, 3 Phase Over Current Earth Fault Relay CT Rating 1A or 5A Field Selectable