China manufacturer of magnetic ballasts for metal halide flood lights & hps flood lights

Electronic ballasts with overload protection,Power supply section in series with a positive temperature system thermistor, when the load over the load, caused by network voltage is too high and other reasons the electronic ballast working current increases, overload operation, positive temperature coefficient thermistor temperature rises, the resistance increases, circuit breaker protection. the hps ballasts protective reliable, simple structure, low cost, easy to universal application.