Intelligent AC distribution & transfer cabinet
The Pixii AC Combiner brings grid, BESS, PV and genset connections together in one cabinet, providing AC distribution, automatic source transfer and synchronisation for hybrid energy systems and microgrids.
Multiple sources. One AC bus
Grid, PCM/PV and genset inputs connect to a common 1MW AC bus, supporting simultaneous source and
load operation while reducing the need for external switchgear.
Fast automatic source transfer
Automatic transfer and synchronisation between power sources supports reliable operation, with ultra fast no-break transition and an integrated bypass function.
Enables no-break ultra fast power transfer and synchronisation between
grid, PV and genset
Supports hybrid and microgrid systems with integrated AC distribution and bypass functionality
AC specifications (grid)
Grid connection type
TN-S/TN-C/IT/TN
Phase config.
3ph
Wiring method
3 ph. 4-wire
AC voltage (-10/+15%)
400V
Nominal frequency
50/60Hz
Nominal AC current 1)
1155A
Rated AC power
800kVA
THDi
<3%
Grid MCCB
4P 1600A
THDi (grid connection)
<3%
Grid MCCB
4P 1600A
1. 500kW PV charging plus BESS discharging. Truth table for configuration details – available on request.
AC bus specifications
Rated AC bus power 1)
1MW
Rated AC bus current
1443A
Nominal AC bus voltage
400VAC
1. 500kW PV charging plus BESS discharging. Truth table for configuration details – available on request.
Critical load specifications
AC voltage
400V
Phase config.
3ph
Wiring method
3 ph. 4-wire
Rated AC power
800kVA
Rated AC current
1155A
Nominal frequency
50/60Hz
Load MCCB
4P 1600A
PowerNode PCS 500 input
Voltage
400V
Phase config.
3ph
Wiring method
3 ph. 4-wire
Rated AC power
500kW
Rated AC current
720A
Nom. frequency
50/60Hz
MCCB
4P 800A
PV input
AC voltage
400V
Phase config.
3ph
Wiring method
3 ph. 4-wire
Rated AC power
4x125kW
Rated AC current
4x200A
Nom. frequency
50/60Hz
PV MCCB
4x4P 250A
Genset input
AC Voltage
400V
Phase config.
3ph
Wiring method
3 ph. 4-wire
Rated AC power
500kW
Rated AC current
720A
Nominal frequency
50/60Hz
Genset controller 1)
Optional
Genset MCCB 2)
4P 800A
1. AGC 150
2. Motor operated
Transfer specifications
Transfer type
Contactor
Switching time
<20ms
Bypass function
Yes
Bypass MCCB
4P 1600A
Efficiency and performance
Contactor efficiency 1)
99.95%
1. At full load. Transfer switch efficiency.
Auxiliary and control
UPS supply
1kVA
Nominal voltage
230VAC
UPS backup duration
12 min
Communication and connectivity
Wired interfaces
Ethernet LAN
Internal comm. protocols
CAN bus, Modbus, TCP/IP
External comm. protocols
MQTT
EMS compatibility
Optional
Power meter 1)
Optional
1. Load and grid
Safety
Ingress Protection (IP)
IP55
Overvoltage category (OVC)
III
Operating conditions
Operating environment
Outdoor
Thermal management
Fan-filter
Acoustic noise 1m distance
<75dB(A)
Operating amb. temp. range 1)
-30°C ~ +55°C
Storage temp. range 2)
-15°C ~ +55°C
Operating relative humidity 3)
5% ~ 95% NC
Max. operating altitude 4)
4000m
1. Derating from >45°C.
2. Without battery installed. With battery -15°C ~ +40°C Limited by UPS.
3. Non-condensing.
4. Pollution level II. Derating >2000m
Physical specifications
Dimensions (HxWxD)(mm)
2300x900x1100
Net. weight (equipped)
500kg
Color
RAL 7035
Status indicator (type)
LED
Warranty and compliance
Security and safety standards 1)
EN IEC 60947-4-1:2025
Warranty (years/cycles) 2)
See note
1. Transfer switch complies with the low voltage directive (LVD).
2. Warranty terms may vary based on your SLA agreement.
Please review the warranty document for details.
- 800kW AC distribution
- 1MW common AC bus
- Ultra fast no-break transition
- Integrated bypass function
- Grid, PV and genset inputs
- Black start islanding
- Automatic source transfer
- Grid synchronisation
- AC power distribution
- Hybrid power integration
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