Plug-in type motor field excitation control circuit board ...

Plug-in main speed & torque control circuit board for DC drive ...

Heavy-duty motor field excitation thyristor rectifier power module ...

Heavy-duty motor field excitation rectifier power module for DC drive ...

Heavy-duty six-pulse SCR armature rectifier for FlexPak3000 DC drive ...

Medium-to-high current six-pulse thyristor armature rectifier module ...