(Single Phase) System Protection
Combined Type 1, 2 and 3 tested protector (to BS EN 61643) for use on the main distribution board, particularly where structural Lightning Protection System (LPS) is employed, for equipotential bonding. For use at the boundaries up to LPZ 0 to protect against flashover ( typically the main distribution board location) through to LPZ 3 to protect electrical equipment from damage.
Short Circuit Withstand Capability: 25 kA, 50 Hz
Frequency Range: 47-63 Hz
Max. Back-up Fuse: 125 A
Leakage Current (to earth): <250 μA
Indicator Circuit Current: <10 mA
Volt Free Contact²: Screw Terminal / Current rating 1 A / Nominal Voltage (RMS) 250 V
Temperature Range: -40°C to + 80°C
Connection Type: Screw Terminal (Max Torque 4.5Nm)
Conductor Size (stranded): 25mm²
Earth Connection: Screw Terminal (Max Torque 4.5Nm)
Volt Free Contact: Connect via screw terminal with conductor up to 1.5mm² (stranded)
Protection: IP20
See Downloads Tab for full Datasheet, Fitting Instructions and DofC.