A unique identifier of the inverter, printed on the device label and located on the top box of the inverter. The format is 6digits-9digits-2digits, for example: SJ1234-07F123456-78.
Each panel should have a unique serial number. Repeated, missing, or inconsistent serials across the same batch are strong indicators of non-genuine stock and often invalidate warranties.
Go to the PV Support section on the JinkoSolar EU website. You can find it in the main navigation menu under 'Contact' or simply click button below Enter the module's Serial Number (SN) – a 24-digit code.
Instead, it is a rectifier board / thyristor trigger board / pre-charge control board (TDB board) for SIEMENS MICROMASTER MM430/440 series inverters, responsible for triggering the thyristors (SCR) in the rectifier circuit and controlling the pre-charging process.
8 High Frequency Inverter represents more than just technology – it's a catalyst for energy independence. By combining robust performance with smart energy management, it addresses Africa's unique power needs while paving the way for sustainable development.