TH-N系列热继电器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。型号规格（A）TH-N120.12,0.17,0.24,0.35,0.5,0.7,0.9,1.3,1.7,2.1,2.5,3.6,5,6.6,9,11TH-N12KP0.12,0.17,0.24,0.35,0.5,0.7,0.9,1.3,1.7,2.1,2.5,3.6,5,6.6,9,11TH-N12CX0.12,0.17,0.24,0.35,0.5,0.7,0.9,1.3,1.7,2.1,2.5,3.6,5,6.6,9,11TH-N12SR0.12,0.17,0.24,0.35,0.5,0.7,0.9,1.3,1.7,2.1,2.5,3.6,5,6.6,9,11TH-N181.3,1.7,2.1,2.5,3.6,5,6.6,9,11,15TH-N18CX1.3,1.7,2.1,2.5,3.6,5,6.6,9,11,15TH-N200.24,0.35,0.5,0.7,0.9,1.3,1.7,2.1,2.5,3.6,5,6.6,9,11,15,19TH-N20CX0.24,0.35,0.5,0.7,0.9,1.3,1.7,2.1,2.5,3.6,5,6.6,9,11,15,19TH-N20SR0.24,0.35,0.5,0.7,0.9,1.3,1.7,2.1,2.5,3.6,5,6.6,9,11,15,19TH-N20TA22,29,35TH-N20TA SR22,29,35TH-N20KP0.24,0.35,0.5,0.7,0.9,1.3,1.7,2.1,2.5,3.6,5,6.6,9,11,15,19TH-N20KP SR0.24,0.35,0.5,0.7,0.9,1.3,1.7,2.1,2.5,3.6,5,6.6,9,11,15,19TH-N20TAKP22,29,35TH-N20TAKP SR22,29,35TH-N20TAKP CX22,29,35TH-N60KP15,22,29,35,42,54TH-N60KP SR15,22,29,35,42,54TH-N60TAKP67,82,95TH-N60TAKP SR67,82,95TH-N120KP42,54,67,82TH-N120KP SR42,54,67,82TH-N120TAKP105,125TH-N120TAKP SR105,125TH-N220RHKP82,105,125,150,180,210TH-N220RHKP SR82,105,125,150,180,210TH-N220HZKP82,105,125,150,180,210TH-N220HZKP SR82,105,125,150,180,210TH-N400RHKP105,125,150,180,250,330TH-N400RHKP SR105,125,150,180,250,330TH-N400KZKP105,125,150,180,250,330TH-N400HZKP SR105,125,150,180,250,330TH-N600KP*1250,330,500,660TH-N600KP SR*1250,330,500,660