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Two-quadrant machine core comes standard with rectifier unit + inverter unit, and four-quadrant products come standard with front LCL + rectifier unit + inverter unit

1140V two-quadrant VFD is a standard 6-pulse rectifier, 3300V two-quadrant VFD is a standard 12-pulse rectifier, but a phase-shifting transformer is required；

GD3000 are equipped with Modbus as standard and support extended Profibus;

Connect the water level sensor to S2 and COM terminal, then select the water level sensor type, full water level or empty water level.

SPC support normal induction motor pump, and PM motor pump, BLDC pump;

Can choice built-in GPRS expansion card to realize remote monitoring function.

SPC high-end version with waterproof keyboard connector, aviation connector and DC switch.

GD170 is an economical solar pump controller newly launched by INVT. Compared with GD100PV, some advanced functions are missing, such as analog quantity, switch quantity and so on. .

Yes, you need to purchase QH100 automatic switching module.
If there is no automatic switching module, it is not recommended to input the grid power and photovoltaic power in the same time. Cause there is a voltage difference between photovoltaic and grid, the equipment will be impacted and the inverter may be damaged.