Nominal current(rms):50/100/200/300/400/600a Voutipn:+4.000v Measuring range:0~+900a Supply voltage dc:+15v Accurancyipn, +25degree Celsiusless than1.0% Mounting(mm):10.5*20.5 * open- loop supply voltage: dc +15.0v * capable measurement of currents: dc, ac, pulse with galvanic isolation between primary circuit and secondary circuit.