Type 1
Phase Control Thyristor MTC55A
Type 3
rectifier module MTC55A
Type 4
SCR Voltage regulator MTC55A
Type 5
diode module MTC55A
Type 6
thyristor module MTC55A
Type 7
thyristor power regulator MTC55A
Type 8
SCR power controller MTC55A
condition
original and new MTC55A