ABB 5SHX1445H0001 Circuit board

Product manual:

Drive and control: The drive circuit on the board is responsible for generating the appropriate gate signal. To trigger IGCT on and off, to achieve accurate current control.
Overcurrent protection: IGCT has a limited ability to withstand overcurrent. Therefore, the protection circuit in the board can respond quickly when overcurrent is detected. Prevent IGCT damage.
Temperature monitoring: IGCT generates a lot of heat in high power applications. The temperature monitoring function on the circuit board ensures that the IGCT will not fail due to overheating.
Fault diagnosis: The board may also contain fault detection and diagnosis functions. So that problems can be reported in a timely manner. Reduce system downtime.
Communication interfaces: May contain interfaces to communicate with external control systems. For example, commands are received and status information is sent through optical fibers or electrical interfaces.

Product details picture:

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