SCA Series Telecom CPTC
Rapid switch, Exchanger, High voltage, Main distribution frame, Great current, Local internet, Lead-free weld, ADSL.
IH = Hold current: max current at which the device will not trip at 25℃ still air.
IT = Trip current: min current at which the device will always trip at 25℃ still air.
Vmax = Max voltage device can withstand without damage.
Tf = Reference Curie temperature.