电流
等级

标准（2热动元件）

3热动元件

延迟型（带饱和电抗器）

过载保护

过载、断相保护

过载保护

过载、断相保护

起动器用

单独安装

起动器用

单独安装

起动器用

单独安装

起动器用

单独安装

N12

TH-N12

注1

TH-N12KP

注1

TH-N12SR

注1

－

－

N18

TH-N18

－

TH-N18KP

－

－

－

－

－

N20

TH-N20

TH-N20KP

TH-N20SR

TH-N20KPSR

N20TA

TH-N20TA

－

TH-N20
TAKP

－

TH-N20
TASR

－

TH-N20
TAKPSR

－

N60

TH-N60

TH-N60KP

TH-N60SR

TH-N60KPSR

N60TA

TH-N60TA

－

TH-N60
TAKP

－

TH-N60
TASR

－

TH-N60
TAKPSR

－

N120

TH-N120

TH-N120KP

TH-N120SR

TH-N120KPSR

N120TA

TH-N120TA

TH-N120
TAHZ

TH-N120
TAKP

TH-N120
TAHZKP

TH-N120
TASR

－

TH-N120
TAKPSR

－

N220

TH-N220RH

TH-N220HZ

TH-N220
RHKP

TH-N220
HZKP

TH-N220
RHSR

TH-N220
HZSR

TH-N220
RHKPSR

TH-N220
HZKPSR

N400

TH-N400RH

TH-N400HZ

TH-N400
RHKP

TH-N400
HZKP

TH-N400RHSR

TH-N400HZSR

TH-N400
RHKPSR

TH-N400
HZKPSR

N600

TH-N600

TH-N600KP

TH-N600SR

TH-N600KPSR