Technical Specifications - Steca Grid 300 Instructions D'installation Et De Service

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
Anti-islanding protection
Dimensions (X x Y x Z)
Weight
()
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
Interconnection AC side
(3)
The coupler plug is supplied with the inverter.
30
StecaGrid 300
45 – 135 V DC
45 – 100 V DC
375 Wp
30 W
(1)
5 A
(1)
Multi-Contact MC 3, MC 4
300 W
30 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 >  W, 45 V
input voltage
Voltage (30 V +/-10%)
()
Frequency (50 Hz +/- Hz)
Voltage (30 V +/-10 %)
Frequency (50 Hz +0.5 Hz/-3 Hz)
Voltage (30 V +10 %/-15 %)
Frequency (50 Hz +/-1 Hz)
Voltage and frequency window
monitoring; ENS optional with
StecaGrid ENS6
176 x 43 x 71 mm
1.4 kg
-0 °C to 45 °C
Indoors (protection class IP 0)
Three fixing screws
DIN rail
AC connector (Wieland Electric GST 18i3V 1P1)
735.794 | 10.10
EN
StecaGrid 500
75 – 30 V DC
75 – 170 V DC
65 Wp
530 W
(1)
5 A
(1)
Multi-Contact MC 3, MC 4
500 W
30 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 >  W, 45 V
input voltage
Voltage (30 V +/-10%)
Frequency (50 Hz +/- Hz)
()
Voltage (30 V +/-10 %)
Frequency (50 Hz +0.5 Hz/-3 Hz)
Voltage (30 V +10 %/-15 %)
Frequency (50 Hz +/-1 Hz)
Voltage and frequency window
monitoring; ENS optional with
StecaGrid ENS6
176 x 43 x 71 mm
1.4 kg
-0 °C to 45 °C
Indoors (protection class IP 0)
(3)
()
()