Resistor Zx15 series resistor, open type, is applicable for the start, timing, braking and discharge in distribution system of 50hz, 660v ac, 440v dc. The capacitor is up to 4.6kw, fixed by aludirome with rounded spiral tubular type resistor element. With shockproof and unbreakable advantages, it can take the place of z1 series resistor. Features: Altitude does not exceed 2, 500m The ambient temperature between -25pc and +40pc, average temperature less than +35pc during 24 hours Relative humidity below 85%, between -5pc and +20pc Place free from serious pollution metal, insulation destroying, explosive, electric conductor dust and frequent violent vibration