DC ISOLATION SWITCH EDS7/8 Series DC Isolator Main Parameters Rated thermal current Rated short-time withstand current (1ms) Rated short-time making capacity Rated impulse withstand voltage 兀ghtening torque terminal screws M4 Tightening torque single hole mounting nut M16 兀ghtening torque knob screws M3 Knob positions Electrical Life Mechanical Life 12 o'clock,OFF 3 o'clock,ON Actual Standard Distance of contacts (per pole) Operation temperature Store temperature Pollu廿on degree Overvoltage category IP rating of shafte and mounting nut Data according to IEC/EN60947-3,AS60947.3, UL508i, GB/T14048.3....