... , short-circuit, pr HPZ1 series terminal electricity meter box HPZ1-C-1 terminal electricity meter box, this series has the function of ... ≤2000m;ambient air T is ≤+40°C, ≥-25°Cwhen the highest T is ≤+40°C, the humidity in the air is ≤-25 ... which is more humidity time, the average T is ≤+25°C.Operation and maintenanceHPZ1 combination series, after fixed or operated , should ...