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Microinverter

SG400 / 450 / 500

The perfect lightweight and compact choice for your PV system

Advanced Intelligence

Smart Control

Superior Performance

Pure Power

Protected Connectors

Guaranteed Safety

Unmatched Reliability

Guaranteed Durability

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Easy Installation, Plug-and-Play

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External Antenna for Stronger Communication with the DTU

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Adjustable Power Factor: 0.8 Leading…0.8 Lagging

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Compliant with VDE-AR-N 4105:2018 and EN50549-1:2019

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High Reliability; NEMA (IP67) Enclosure; 6000 V Surge Protection

**Product images shown may represent the product range or be for illustrative purposes only and may not exactly represent the actual product.

25-Year Product Warranty

Technical Specifications

Model SG400 SG450 SG500
Input Data (DC)
Commonly used module power (W) 320–540+ 400–600+ 400–670+
Peak power MPPT voltage range (V) 25–55 25–55 25–55
Start-up voltage (V) 22 22 22
Maximum input voltage (V) 65 65 65
Maximum input current (A) 14 15 16
Output Data (AC)
Rated output power (VA) 400 450 500
Nominal output voltage (V) 220/230/240 220/230/240 220/230/240
Nominal output voltage range (V) 230/180–275 230/180–275 230/180–275
Nominal frequency/range (Hz) 50/45–55 50/45–55 50/45–55
Power factor (adjustable) > 0.99 default > 0.99 default > 0.99 default
Total harmonic distortion 0.8leading–0.8lagging 0.8leading–0.8lagging 0.8leading–0.8lagging
Output current harmonic distortion <3% <3% <3%
Maximum units per branch (12AWG) 11/11/12 9/10/10 8/9/9
Maximum units per branch (10AWG) 17/18/19 15/16/17 14/14/15
Efficiency
CEC peak efficiency 96.5% 96.5% 96.5%
CEC weighted efficiency 96.5% 96.5% 96.5%
Nominal MPPT efficiency 99.9% 99.9% 99.9%
Night power consumption <50 <50 <50
Mechanical Data
Ambient temperature range (°C) -40 ~ +65 -40 ~ +65 -40 ~ +65
Dimensions (W x H x D mm) 282.5x171.5x30.5 282.5x171.5x30.5 282.5x171.5x30.5
Weight (KG) 1.7 1.7 1.7
Protective rating (IP) IP67 IP67 IP67
Cooling Natural convection-No fans Natural convection-No fans Natural convection-No fans
Features
Communication Sub-1G Sub-1G Sub-1G
Warranty up to 25 years warranty up to 25 years warranty up to 25 years warranty
Compliance VDE-AR-N 4105:2018, EN50549-1:2019, EN50549-10:2022, VFR2019, AS 4777.2:2015, IEC/EN 62109-1/-2, IEC/EN 61000-3-2/-3, IEC/EN-61000-6-1/-2/-3/-4