HR5系列熔断器式隔离开关（以下简称开关）适用于额定工作电压至660V，交流50Hz，约定自由空气发热电流至630A，主要用于有高短路电流的配电电路和电动机电路中、用作电源开关、隔离开关和应急开关，并作电路保护之用。但一般不作为直接开闭单台电动机之用。HR5-100/31 63AHR5-100/30HR5-100/30 10AHR5-100/30 100AHR5-100/30 125AHR5-100/30 16AHR5-100/30 160AHR5-100/30 20AHR5-100/30 25AHR5-100/30 32AHR5-100/30 40AHR5-100/30 50AHR5-100/30 6AHR5-100/30 63AHR5-100/30 80AHR5-100/31HR5-100/31 10AHR5-100/31 100AHR5-100/31 125AHR5-100/31 160AHR5-100/31 20AHR5-100/31 25AHR5-100/31 32AHR5-100/31 35AHR5-100/31 4AHR5-100/31 40AHR5-100/31 50AHR5-100/31 6AHR5-100/31 80AHR5-200/30HR5-200/30 100AHR5-200/30 125AHR5-200/30 160AHR5-200/30 200AHR5-200/30 250AHR5-200/30 80AHR5-200/31 100AHR5-200/31 125AHR5-200/31 160AHR5-200/31 200AHR5-200/31 250AHR5-200/31 80AHR5-400/30HR5-400/30 125AHR5-400/30 160AHR5-400/30 200AHR5-400/30 224AHR5-400/30 250AHR5-400/30 300AHR5-400/30 315AHR5-400/30 355AHR5-400/31HR5-400/31 125AHR5-400/31 160AHR5-400/31 200AHR5-400/31 224AHR5-400/31 250AHR5-400/31 300AHR5-400/31 315AHR5-400/31 355AHR5-630/30HR5-630/30 355AHR5-630/30 400AHR5-630/30 425AHR5-630/30 500AHR5-630/30 600AHR5-630/31HR5-630/31 400AHR5-630/31 425AHR5-630/31 500AHR5-630/31 600AHR5-100/31 63A