125 kW
STS
20ms
Switching Time
Up to 4
ESS Units Connected
PV + Loads
Reserved Ports
IP54
Protection Rating
Seamless On/Off-Grid Switching Cabinet
It is a seamless on/off-grid switching cabinet designed for the 125kW rated power Evault all-in-one ESS cabinet within 20ms switching time. It enables on/off-grid switching for single or multiple parallel-connected application. Equipped with reserved ports for PV inverter power and critical loads connection, allowing for the normal operation of PV system and loads in grid outage condition.
ESS Side
S125 - 02
S125 - 04
Max. No. of ESS Connection
2 units
4 units
Max. ESS Current
2 * 250 A
4 * 250 A
Rated ESS Power
2 * 125 kW
4 * 125 kW
Grid Side
S125 - 02
S125 - 04
No. of Grid Connection Port
1
Max. Grid Current
500 A
800 A
Grid Voltage Range
400 V ± 15%
Grid Type
3W + N + PE
Rated Frequency
50 Hz / 60 Hz
On/off-grid Switching Time
20 ms
PV Input Requirements
S125 - 02
S125 - 04
Max. PV & Loads Port Current
250 A
630 A
Recommended Max. PV Power
170 kW
430 kW
Recommended Max. Load Power*
< 0.5% Ipn
70% × ESS Power
Auxiliary Equipment
S125 - 02
S125 - 04
UPS
Standard
Maintenance Socket
Standard, 16 A
Surge Protection
AC Type II
Meter Accuracy
0.5S
ATS
Optional
General
S125 - 02
S125 - 04
Dimensions (W*D*H)
800 * 1,200 * 1,800 mm
1,000 * 1,200 * 1,800 mm
Altitude
3000 m
Ambient Temperature
-15°C ~ 45°C
Humidity
0 ~ 95% RH (non-condensing)
Cooling Method
Air cooling
IP Rating
IP54
Communication
RS485, Modbus TCP/IP