✅ Model: JSEM-D4C
✅ Complete integrated power module layout
✅ Built-in auxiliary switching power circuit
✅ High-current power terminals for strong load capacity
✅ D-SUB interface for signal connection with control board
✅ Surge protection circuit to enhance component stability
✅ Strict function testing before shipment
✅ Ideal spare part for frequency converter overhaul & maintenance