直销HR 5刀开关，www.shyokbo.com 一、适用范围 HR5系列熔断器式隔离开关主要用于额定电压交流400V和660V，约定发热电流至630A的具有高短路电流的配电电路和电动机电路中，作为电源开关、应急开关，并作为电路保护之用，但一般不作为直接开闭单台电动机之用。 二、型号及含义 0为无熔断信号装置型，1为有熔断信号装置型 （配用有熔断指示器的熔断体）（配用有熔断撞击器的熔断体） 极数：2极，3极 额定工作电流：100A/200A/400A/630A HR5熔断式隔离开关 三、主要技术参数 额定绝缘电压：660V 额定工作电压：380V/660V俩种 额定工作电流： 380V:100A/ 200A/ 400A/ 630A四种 660V:100A/200A/315A/425A四种 开关的机械寿命分别为3000次（100A/200A)和1000次（400A/630A) 开关的电寿命分别为600次（100A/200A)和200次（400A/630A)接通与分断 The direct HR 5 knife switch, www.shyosdy.com A, scope of application HR5 series switch is mainly used for AC rated voltage 400V and 660V, vheating current to 630A with high short circuit current of the power distribution circuit and motor circuits, as the power switch, emergency switch, and a circuit protection purposes, but generally not as a single motor for opening and closing. Two, models and implications 0 without a fuse signal device type, 1 for fuse signal device type (with a fuse fuse indicator) (with a fuse fuse impactor) Pole number: 2 pole, 3 pole Rated working current: 100A/200A/400A/630A HR5 fuse type isolating switch Three, the main technical parameters Rated insulation voltage: 660V Rated voltage: 380V/660V two Rated working current: 380V:100A/ 200A/ 400A/ 630A four 660V:100A/200A/315A/425A four The mechanical life of the switches were respectively 3000 (100A/200A) and 1000 (400A/630A) Electrical life of switch were respectively 600 (100A/200A) and 200 (400A/630A) switching on and off