TH-N系列热继电器主要用于交流频率50Hz和60Hz,额定电压至690V,额定电流至800A的电力系统中,作为三相交流电动机的过载保护和断相保护、延迟型(带饱和电抗器)特别适用于起动时间长的电动机负载。热过载继电器与上级保护的塑壳断路器可以轻松实现协调保护。热继电器型号:TH-N12,TH-N12KP,TH-N12CX,TH-N12SR,TH-N18,TH-N18CX,TH-N20,TH-N20CX,TH-N20SR,TH-N20TA,TH-N20TASR,TH-N20KP,TH-N20TAKP,TH-N20TAKPSR,TH-N20TAKPCX,TH-N60KP,TH-N60KPSR,TH-N60TAKP,TH-N60TAKPSR,TH-N120KP,TH-N120KPSR,TH-N120TAKP,TH-N120TAKPSR,TH-N220RHKP,TH-N220RHKPSR,TH-N220HZKP,TH-N220HZKPSR,TH-N400RHKP,TH-N400RHKPSR,TH-N400HZKP,TH-N400HZKPSR,TH-N600KP,TH-N600KPSR。欢迎前来询价,如有疑问,请致电咨询。联系电话:021-53089755-221,手机:13764031327,QQ:373084330。