Normal working terms 1.Environmental temperature: -40aa ~ +60aa;Rated frequency: 48Hz~ 62Hz 2.Altitude:< 2000m Character1. Maximum capacity, better limite voltage effect, more widely applicable scope, stronger tolerance , long lifespan 2. Voltage impact coefficient is 1, under the various kinds of electric voltage waveform, the voltage values are equal 3. With zinc oxide nonlinear resistors and ...