产品简介 Introduction
HZ5B型组合开关HZ5型的改进型,主用于交流50HZ,额定工作电压至380V及以下的电路中作电动机起动、停止、换向、变速之 用。可为电路控制开关、主令控制开关及电焊机开关等。
HZ5B combination switch is the improved type of HZ25,mainly used in the circuits of AC 50HZ,rated voltage 380V and below, to start,stop,commutate,shift speed.It can be used as circuit control switch,master control switch,and switch for welding machine and etc.
产品名称 Type |
HZ5B-10 | HZ5B-20 |
额定绝缘电压Ui(V) Rated unsulation voltage Ui(V) |
690V | 690V |
额定发热电流Lth(A) Rated thermal current Ith(A) |
10 | 20 |
AC-21A AC-22A(A) | 10 | 20 |
额定工作电压(V) Operating voltage Ue(V) |
220 380 | 220 380 |
AC-3(KW) | 1.7 3 | 4 7.5 |
AC-23(KW) | 2.5 4 | 5.5 11 |
机械寿命(次) Mechanical life |
60×104 | |
电寿命(次/n) Electric life (cycles/n) |
AC-3时为60×104,操作频率为300次/小时 60×104 at AC-3,operation frequency: 300 cycles/hour |