SigenMicro Inverter
SigenMicro 400 500 800 1000 Units
DC Input
Commonly used module power 320 ~ 540+ 400 ~ 670+ (320 ~ 540+) x 2 (400 ~ 670+) x 2 W
Start-up voltage 20 V
Min. / Max. PV input voltage 16 ~ 60 V
MPPT voltage range 16 ~ 60 V
Number of modules connected 1 1 2 2
Max. input current 16 x 1 16 x 1 16 x 2 16 x 2 A
Max. input short-circuit current 20 x 1 20 x 1 20 x 2 20 x 2 A
AC Output
Grid type Single Phase
Nominal output power 400 500 800 1000 W
Nominal output current 1.82 1.74 1.67 2.27 2.17 2.08 3.64 3.48 3.33 4.55 4.35 4.17 A
Nominal output voltage 220 230 240 220 230 240 220 230 240 220 230 240 V
Nominal output voltage range 1 184 ~ 275 V
Nominal grid frequency 50 / 60 Hz
Grid frequency range 1 45 ~ 55 / 57 ~ 63 Hz
Total current harmonic distortion THDi < 3% (at nominal power)
Power factor 0.8 leading ~ 0.8 lagging
Max. units per branch 2 (2.5 mm2, 20A) 8 9 9 7 7 7 4 4 4 3 3 3
Max. units per branch 2 (4.0 mm2, 30A) 13 13 14 10 11 11 6 6 7 5 5 5
Efficiency
Max. efficiency 97.0% 97.5%
Monitoring & Protection
Grid monitoring Supported
Ground fault detection Supported
PV module-level monitoring Supported
Rapid shutdown Supported
Surge protection Supported
General Data
Dimensions (W / H / D) 232 / 186 / 35 (without bracket) mm
Weight 2.8 kg
Storage temperature range -40 ~ 85 °C
Operating temperature range -40 ~ 65 °C
Relative humidity range 0% ~ 100%
Max. operation altitude 4000 m
Cooling Natural convection
Topology High Frequency Transformers, Galvanically Isolated
Ingress protection rating IP67
Display LED
Communication WLAN
AC connection type Plug and play connector
Installation method Bracket mounted
Standard Compliance
Standard 3 IEC/EN 62109-1, IEC/EN 62109-2, IEC/EN 61000-6-1, IEC/EN 61000-6-2
1.   Nominal output voltage range and grid frequency range can vary depending on local requirements.
2.   Limitations may differ by region. For the exact number of microinverters permitted per branch circuit, please refer to local regulations and standards. The current capacity of the cable is under normal temperature environment.
3.   For all standards refer to the certificates category on the Sigenergy website.
4.   SigenMicro is only available in specific regions. Please contact Sigenergy or local distributors for details.
Disclaimer: The information in this file is provided on an “as is” basis. To the fullest extent permitted by law, Sigenergy Technology Co., Ltd. excludes all representations and warranties relating to this file and its contents or which is or may be provided by any affiliates or any other third party, including in relation to any inaccuracies or omissions in this file.
Version 20260305