Wärtsilä Coil Drive Module – WCD 10
Full Name: WCD 10 (Wärtsilä Coil Drive 10)
Type: Ignition Coil Driver Module
Application: Primarily used in gas engines, like Wärtsilä 20V34SG and similar medium-speed gas engine models.
⚙️ Key Functions:
The WCD 10 is responsible for driving the ignition coils that ignite the air-fuel mixture in spark-ignited gas engines.
Converts signals from the Engine Control Unit (ECU or ESM) to power the ignition coils.
Ensures timely and reliable spark delivery for engine cylinders.
Works in conjunction with modules like ESM 10, ESM 20, and Spark Ignition Transformers.












