Keypad Assembly Keypad communicating cable: Used to connect the panel and frequency inverter host. According to the different model, it includes two series: One is used for plastic model, as SB100 series, 22kw and below of SB200 series, 15kw and below of SB70 series; The other one is used for 30kw and above of SB200 series and 18.5kw and above of SB70 series, the length can be customized.

Operational Panel extended line drive board SPI-QDAI and SPI-QDB: Used for the place requires longer extended line and higher anti-interference ability.