Keep temperature desired range
Keep voltage desired range
Keep currents desired range
Keep resistance desired range
Copper
Aluminium
Iron
Zinc
Peak Input Voltage
Positive Inverse Voltage
Peak Inverse Voltage
Phase Inverse Voltage
Vdc = 0.45 Vac
Vdc = 0.637 Vac
Vdc = 0.707 Vac
Vdc = 0.9 Vac