Three Phase Inverter
X3-FORTH PLUS
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120kW / 125kW / 136kW / 150kW
The X3-FORTH PLUS series (120kW–150kW) is built for durability and flexibility, featuring a fan self-cleaning system for lower maintenance and long-term reliability. With support for high-altitude operation up to 5000m, it adapts easily to complex commercial solar setups.
Product Advantage
The X3-FORTH PLUS delivers up to 98.6% efficiency with 150% PV oversizing. Supporting 6 MPPTs and up to 65A per MPPT, it enables precise, high-power input management. Operating from -25°C to +60°C, it guarantees stable performance in demanding conditions.
Intelligent Design
Fan self-cleaning function for easier maintenance
Night-time SVG voltage regulation support
Remote settings and upgrades
24-hour monitoring
High Efficiency
Up to 98.6% efficiency
150% oversizing, 110% overloading range
180~1000V, up to 65A per MPPT
Flexible Adaptability
6 MPPTs, 4 strings per MPPT for precise power
Reliable up to 5000m altitude
Power line communication (PLC) (optional)
Built-in Anti-PID protection (optional)
Assured Safety
IP66 ingress protection
AFCI support (optional)
AC terminal over temperature detection
Automatic tripping DC switch
Type II SPD on DC side (Optional Type I + II SPD), Type II SPD on AC side
Product Parameters
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X3-FTH-120K-P-
PV INPUT
Max. recommended PV array power 180.0 kWp Operation voltage range 180 ~ 1000 d.c. V No. of MPP trackers / strings per MPP tracker 6 / 4 Max. input current per MPPT 65 d.c. A -
AC INPUT & OUTPUT (ON-GRID)
Rated output apparent power 120 kVA Rated AC voltage 3W / (N) / PE, 220 / 380 ac. V;
3W / (N) / PE, 230 / 400 a.c. V;
3W / (N) / PE, 277 / 480 a.c. V
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GENERAL
Ingress protection IP66 Dimensions (W /H / D) 1082 × 724 × 373 mm
Net Weight 108.1 kg
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X3-FTH-125KT-P
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PV INPUT
Max. recommended PV array power 187.5 kWp Operation voltage range 180 ~ 1000 d.c. V No. of MPP trackers / strings per MPP tracker 6 / 3 Max. input current per MPPT 52 d.c. A -
AC INPUT & OUTPUT (ON-GRID)
Rated output apparent power 125 kVA Rated AC voltage 3W / (N) / PE, 220 / 380 ac. V;
3W / (N) / PE, 230 / 400 a.c. V;
3W / (N) / PE, 277 / 480 a.c. V
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GENERAL
Ingress protection IP66 Dimensions (W /H / D) 1082 × 724 × 373 mm
Net Weight 98 kg
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X3-FTH-125K-P
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PV INPUT
Max. recommended PV array power 187.5 kWp Operation voltage range 180 ~ 1000 d.c. V No. of MPP trackers / strings per MPP tracker 6 / 4 Max. input current per MPPT 65 d.c. A -
AC INPUT & OUTPUT (ON-GRID)
Rated output apparent power 125 kVA Rated AC voltage 3W / (N) / PE, 220 / 380 ac. V;
3W / (N) / PE, 230 / 400 a.c. V;
3W / (N) / PE, 277 / 480 a.c. V
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GENERAL
Ingress protection IP66 Dimensions (W /H / D) 1082 × 724 × 373 mm
Net Weight 108.1 kg
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X3-FTH-136K-P
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PV INPUT
Max. recommended PV array power 204 kWp Operation voltage range 180 ~ 1000 d.c. V No. of MPP trackers / strings per MPP tracker 6 / 4 Max. input current per MPPT 65 d.c. A -
AC OUTPUT
Rated output apparent power 136 kVA Rated AC voltage 3W / (N) / PE, 220 / 380 ac. V;
3W / (N) / PE, 230 / 400 a.c. V;
3W / (N) / PE, 277 / 480 a.c. V
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GENERAL
Ingress protection IP66 Dimensions (W /H / D) 1082 × 724 × 373 mm
Net Weight 108.1 kg
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X3-FTH-150K-P
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PV INPUT
Max. recommended PV array power 225 kWp Operation voltage range 180 ~ 1000 d.c. V No. of MPP trackers / strings per MPP tracker 6 / 4 Max. input current per MPPT 65 d.c. A -
AC INPUT & OUTPUT (ON-GRID)
Rated output apparent power 150 kVA Rated AC voltage 3W / (N) / PE, 220 / 380 ac. V;
3W / (N) / PE, 230 / 400 a.c. V;
3W / (N) / PE, 277 / 480 a.c. V
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GENERAL
Ingress protection IP66 Dimensions (W /H / D) 1082 × 724 × 373 mm
Net Weight 108.1 kg
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Data Download
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Datasheet
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User Manual
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Quick Installation Guide
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