Model Designation


NTH Thermal Overload Relay


NTH 0.5~44A

NTH-0.5A~44A Specification

NTH-0.5A~44A Dimension

NTH-0.5A~44A Separate Blocks Dimension


NTH-26A~125A

NTH-26A~125A Specification

NTH-26A~125A Dimension


NTH Instruction


NTH Tripped Curve