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HPZ1-A-2 series is suitable for use in mining industry,commerce,hotel,public place of entertainment, bus station,hospital,school,government,residence and kinds of construction terminal lightling,power and other power transmission distribution. We have many size,and we also could OEM for customer.any size or brandis workable. Normal working condition: 1,elevation is≤2000m; 2,ambient air T is ≤+40°c, ≥-25°c; 3,when the highest T is ≤+40°c,the humidity in the air is ≤-25°c;when it is in th lower T,a little high T is allowed;when in the monthly which is more humidity time,the average T is ≤+25°c. operation and maintenance: 1,HPZ1 combination series,after fixed or operated,should be tested and checked at the regular intervals; 2,The handle of the on-off element should be cutted and closed flexible; 3,when the mini circuit breaker,earth leakage circuit breakerand other breakers breakdown,must befind out the reason,then only can switch on and operate;If it is the reason about element ,shoulf be exchanged; 4,If it has installed earth leakage circuit breakerterminal combinationelectric,should be tested twice every month;If it has installed fuse link terminal combination electric ,should be exchange the same fude link; 5,When the terminal combination is operating,should be care of cleaning and maintenance. Rated voltage: 380V/220V Resolving power: 10KA Rated current: ≤100A Protect class: IP30 Model No.outside size(mm)7 9waysHPZ1-A-2 270*215*9010 13ways HPZ1-A-2325*215*9014 18waysHPZ1-A-2415*215*9019 24ways HPZ1-A-2540*430*9028 36ways HPZ1-A-2830*430*90