Three Phase Inverter

X3-FORTH PLUS

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.

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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
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
Optional Type l+ll SPD on DC side & Type ll SPD on AC side

Product Parameters

X3-FTH-120K-P
X3-FTH-125K-P
X3-FTH-136K-P
X3-FTH-150K-P

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
- GENERAL
  
  Ingress protection IP66
  Dimensions (W /H / D)
  1082 × 724 × 373 mm
  Net Weight 108.1 kg
X3-FTH-125K-P
- 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
- GENERAL
  
  Ingress protection IP66
  Dimensions (W /H / D)
  1082 × 724 × 373 mm
  Net Weight 108.1 kg
X3-FTH-136K-P
- 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
- GENERAL
  
  Ingress protection IP66
  Dimensions (W /H / D)
  1082 × 724 × 373 mm
  Net Weight 108.1 kg
X3-FTH-150K-P
- 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
- GENERAL
  
  Ingress protection IP66
  Dimensions (W /H / D)
  1082 × 724 × 373 mm
  Net Weight 108.1 kg

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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

Ingress protection	IP66
Dimensions (W /H / D)	1082 × 724 × 373 mm
Net Weight	108.1 kg

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

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

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