Growatt MID 40KTL3-X2

Growatt Solar Inverter Datasheet — MID-40KTL3-X2

Growatt — the world's #1 residential solar inverter brand by Wood Mackenzie. The MID 40KTL3-X2 is a three-phase commercial string inverter. Designed for C&I rooftops in JAFZA, Riyadh industrial zones, and warehouse installations across the Gulf.

SKU: MID-40KTL3-X2 | Last Updated: 2026-07-23

⚡Electrical Specifications

Max. recommended PV power (for module STC)60000W
Max. DC voltage1100V
Start voltage200V
Normal voltage600V
MPPT voltage range200-1000V
No. of MPP trackers4
No. of PV strings per MPP tracker2
Max. input current per MPP tracker32A
Max. short-circuit current per MPP tracker40A
AC nominal power40000W
Max. AC apparent power44400VA
Nominal AC voltage (range)220V/380V, 230V/400V (340-440V)
AC grid frequency (range)50/60 Hz (45-55Hz/55-65 Hz)
Max. output current67.3A
Adjustable power factor0.8leading...0.8lagging
THDi<3%
AC grid connection type3W+N+PE
Max. efficiency98.8%
European efficiency98.5%
MPPT efficiency99.9%
DC reverse polarity protectionYes
DC SwitchYes
AC/DC surge protectionType II / Type II
Insulation resistance monitoringYes
AC short-circuit protectionYes
Ground fault monitoringYes
Grid monitoringYes
Anti-islanding protectionYes
Residual-current monitoring unitYes
String monitoringYes
AFCI protectionOptional
Self-consumption (night)< 1W

🔧Mechanical Specifications

Dimensions (W / H / D)528/415/225mm / 580/435/230mm / 580/435/230mm / 580/435/230mm / 580/435/230mm
Weight38kg
Operating temperature range-25°C...+60°C
Nighttime power consumption<1W
TopologyTransformerless
CoolingSmart air cooling
Protection degreeIP66
Relative humidity0-100%
Altitude4000m
DC connectionH4/MC4(Optional)
AC connectionCable gland+OT terminal
DisplayOLED+LED+WIFI+APP
Interfaces: RS485/USB/WIFI/GPRS/RSF/LANYes/Yes/Optional/Optional/Optional/Optional

📏Dimensions

Width
Height
Depth
Weight