Protective helmet for mining personnelMining Safety Helmet$999,999,999.00PriceColor*SelectQuantity*Add to CartMain Technical Parameters: Drum working load 150kN Drum overload 225kN Drum support load 300kN Nominal speed ≥10m/min Rope diameter 60mm Drum capacity 200m Electric motor JZ2-H71-4/8/16 Elec. motor power 45/45/30 kW Elec. motor speed 1420/680/320r/min Power supply 380V/50Hz
