Technical Specifications - Steca Grid 300 Manual De Instalación Y Manejo

6

Technical specifications

Input
Input voltage range
MPPT range
Maximum recommended PV power
Maximum input rating
Maximum input current
DC connectors
(1)
Greater available input power and/or higher available current are not utilised as the inverter contains a protection against over-
load.
Output
Nominal output rating
Nominal output voltage / frequency
Maximum efficiency
European efficiency
Power factor
Harmonic distortion
AC connectors
General
Galvanic separation
Internal power supply
Start-up/switching off
Start current
AC monitor
Grid monitoring in the
StecaGrid 300 UK or 500 UK versions
Grid monitoring in the
StecaGrid 300 ES or 500 ES versions
Grid monitoring in the
StecaGrid 300 IT or 500 IT versions
Anti-islanding protection
Dimensions (X x Y x Z)
Weight
(2)
Other limit settings are also available ex works
Environmental conditions
Temperature
Installation
Installation and connection
Installation of a single inverter
Installation of two and more inverters
30
StecaGrid 300
45 – 135 V DC
45 – 100 V DC
375 Wp
320 W
(1)
5 A
(1)
Multi-Contact MC 3, MC 4
300 W
230 V / 50 Hz
94.8 %
93.4 %
> 0.95
< 6 % (at maximum power)
Wieland Electric GST 18i3V
none
supplied by solar panel
(no Stand-by power)
Automatic start / stop
Starts up at > 2 W, 45 V
input voltage
Voltage (230 V ± 10%)
(2)
Frequency (50 Hz ± 2 Hz)
Voltage (230 V ± 10 %)
Frequency (50 Hz + 0.5 Hz/–3 Hz)
Voltage (230 V + 10 %/–15 %)
Frequency (50 Hz ± 1 Hz)
Voltage (230 V ± 20 %)
Frequency (50 Hz ± 0.3 Hz)
Voltage and frequency window
monitoring; ENS optional with
StecaGrid ENS26
176 x 243 x 71 mm
1.4 kg
–20 °C to 45 °C
Indoors (protection class IP 20)
Three fixing screws
DIN rail
735.794 | 11.30
EN
StecaGrid 500
75 – 230 V DC
75 – 170 V DC
625 Wp
530 W
(1)
5 A
(1)
Multi-Contact MC 3, MC 4
500 W
230 V / 50 Hz
95.8 %
94.5 %
> 0.95
< 5 % (at maximum power)
Wieland Electric GST 18i3V
none
supplied by solar panel
(no Stand-by power)
Automatic start / stop
Starts up at > 2 W, 45 V
input voltage
Voltage (230 V ± 10%)
Frequency (50 Hz ± 2 Hz)
(2)
Voltage (230 V ± 10 %)
Frequency (50 Hz + 0.5 Hz/–3 Hz)
Voltage (230 V + 10 %/–15 %)
Frequency (50 Hz ± 1 Hz)
Voltage (230 V ± 20 %)
Frequency (50 Hz ± 0.3 Hz)
Voltage and frequency window
monitoring; ENS optional with
StecaGrid ENS26
176 x 243 x 71 mm
1.4 kg
–20 °C to 45 °C
Indoors (protection class IP 20)
(2)
(2)