PB2 series torsional shear electric wrench: lighter weight, better performance add new device can achieve a more reliable fastening of reference data: * Technical parameters are for reference models: PB2-20E Rated voltage: 230V ~ Maximum current: 6.5A Maximum power: 1300W Frequency: 50-60Hz Maximum torque: 540N.m load speed: 20min-1 Dimensions: D-68mm d-58mm H-286mm L-245mm L1-85mm L2-51mm applicable bolts: M16-M20 standard configuration sleeve : M16 / M20 electric torsional shear wrench and torque wrenches are widely used in electric power construction, bridge construction, chemical construction of oil, iron and steel metallurgy and shipbuilding, steel and other industries.