SMA STP 3.0-3AV-40

3000 W2 MPPT140–800 V

The SMA STP 3.0-3AV-40 is a 3000 W solar inverter with 2 MPPT trackers. Below are the verified electrical specifications extracted from the manufacturer datasheet.

Technical Specifications

DC Input

Max DC Input Voltage: : 850 V
MPPT Voltage Range: : 140–800 V
Max Input Current (per MPPT): : 12 A
Max Short-Circuit Current (per MPPT): : 18 A
Start-up voltage: : 150 V
Max DC Input Power: : 6,000 W

AC Output & System

Nominal AC Output Power: : 3,000 W
MPPT Trackers: : 2
Strings per MPPT: : 1
Type: : String

Best panel configuration

The most powerful fully compatible panel setup from our catalog, calculated for -20°C to 35°C.

Compatible

HPBC375 W

LONGi LGi7-54CHVD-375M

13.5 kWSTC

≈12.1 kW in summer heat (-11%)

36 panels · 18 per string · 2 MPPT

Check in calculator All compatible panels

Find on AmazonCheck current price and availability

As an Amazon Associate, Solar Stack earns from qualifying purchases.

Other Models in This Series

Model	AC Power	Max DC V	MPPT Range
STP 3.0-3AV-40Current	3000 W	850 V	140–800 V
STP 4.0-3AV-40	4000 W	850 V	175–800 V
STP 5.0-3AV-40	5000 W	850 V	215–800 V
STP 6.0-3AV-40	6000 W	850 V	260–800 V

Check in calculator

Verify string compatibility with this inverter

Find compatible panels

See which solar panels work with this inverter

Compare with another

Put this inverter side by side with up to four others