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Solar InvertersStecaStecaGrid 4003x

StecaGrid 4003x

4000 W1 MPPT250–800 VThree-phaseIP65Market: Europe & UK
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The Steca StecaGrid 4003x is a 4000 W solar inverter with 1 MPPT trackers. Below are the verified electrical specifications extracted from the manufacturer datasheet.

Technical Specifications

DC Input
Max DC Input Voltage
: 1,000 V
MPPT Voltage Range
: 250–800 V
Max Input Current (per MPPT)
: 11 A
Max Short-Circuit Current (per MPPT)
: 13 A
Max DC Input Power
: 4,100 W
AC Output & System
Nominal AC Output Power
: 4,000 W
AC phases
: Three-phase
Peak efficiency
: 98.6 %
European efficiency
: 98.1 %
MPPT Trackers
: 1
Strings per MPPT
: 1
Type
: String
Battery port
: No
Enclosure & service
Protection rating
: IP65
Dimensions (W × H × D)
: 399 × 657 × 227 mm
Weight
: 12 kg
Noise at 1 m
: 29 dB

Best panel configuration

The fully compatible panel setup from our catalog that makes the best use of this inverter, calculated for -20°C to 35°C.

REC GroupHJT

REC455AA Pure-RX

Compatible

4.1 kW

9 panels of 455 W

≈3.7 kW in summer heat (-10%)

How to wire it · 9 per string

  • MPPT 1
    1 string
Panel area
18.7 m²
Panel weight
204 kg
DC/AC ratio
1.02×
Check in calculatorAll compatible panels

Datasheet

Download PDF1.2 MB
Sourcekontron-solar.com

Other Models in This Series

ModelAC PowerMax DC VMPPT range
StecaGrid 3203x
3200 W1000 V250–800 V
StecaGrid 4003xCurrent
4000 W1000 V250–800 V
StecaGrid 4803x
4800 W1000 V250–800 V
StecaGrid 5503x
5500 W1000 V250–800 V

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