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String Inverter

SN12(X)/15/17/20/25PT

Three Phase PV Inverter/2 MPPTs

Product Brochure
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  • Features

  • Input (PV)

  • Output (grid)

  • Efficiency

  • General data

  • Protection

  • Features

  • Input (PV)

  • Output (grid)

  • Efficiency

  • General data

  • Protection

Contact Us
Features
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    Safe & Reliable

    · IP66 protection & C5 anti-corrosion rating
    · Type II SPD, both DC & AC sides
    · Built-in arc-fault circuit-interrupter

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    High Yield

    · Max. efficiency up to 98.5%
    · Compatible with bifacial PV modules
    · 1.1 times continuous output overload

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    High-Performance Management

    · Accurate string current detection
    · Support export power limit
    · Local & remote maintenance

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    User-Friendly Design

    · Fanless design for quiet operation
    · Optional OLED screen
    · Quickly set up smart monitoring via APP

Input (PV)
ModelSN12PT-XSN15PTSN17PTSN20PTSN25PT
Max. PV input voltage

1100V

Recommended max. PV power (STC)18kWp22.5kWp25kWp30kWp37.5Wp
Nominal PV input voltage

620V

MPPT operating voltage range

140V~1000V

Full power MPPT voltage range375V~850V470V~850V470V~850V470V~850V470~850V
Startup PV voltage

180V

Number of PV inputs3 （2 MPPTs, 2/1)3 （2 MPPTs, 2/1)4 （2 MPPTs, 2/2)4 （2 MPPTs, 2/2)4 （2 MPPTs, 2/2)
Max. current per MPPT32A/20A32A/20A32A/32A32A/32A40A/32A
Max. short circuit current per MPPT50A/25A50A/25A50A/50A50A/50A50A/50A
Output (grid)
ModelSN12PT-XSN15PTSN17PTSN20PTSN25PT
Nominal output power12kW15kW17kW20kW25kW
Max. output apparent power13.2kVA16.5kVA18.7kVA22kVA27.5kVA
Max. output current19.1A23.9A27.1A31.9A39.9A
Nominal grid voltage

3L/N/PE, 230V/400V

Grid voltage range

320V~480V (According to local standards)

Nominal grid frequency

50/60Hz

Power factor range

0.8leading~0.8lagging

Harmonic (THD)

<3%

Efficiency
ModelSN12PT-XSN15PTSN17PTSN20PTSN25PT
Max. efficiency

98.50%

EU efficiency

98.10%

General data
ModelSN12PT-XSN15PTSN17PTSN20PTSN25PT
Display mode

LED, OLED(optional)

Communication port

RS485,WIFI/4G/Ethernet

Weight23kg23kg24kg25kg25kg
Dimensions (W*H*D)

580*430*270mm

Max. operating altitude

4000m(>3000m derating)

Cooling method

Natural

Humidity

0~100%

Operating temperature

-25~60℃

Protection level

IP66

Topology

Transformerless

Self-consumption at night

< 1W

Protection
ModelSN12PT-XSN15PTSN17PTSN20PTSN25PT
Leakage current protection

Yes

Anti-island protection

Yes

DC reverse protection

Yes

AC short circuit protection

Yes

PV string current detection

Yes

PID recovery

Optional

DC switch

Yes

Arc-fault circuit-interrupter

Yes

Surge protection

DC II/AC II

Insulation monitoring

Yes

Over-voltage protection

AC III/ DC II