Sineng 50kW Three Phase Grid-Tie PV Inverter

Sineng 50kW Three Phase Grid-Tie PV Inverter

The SN50/60PT is a high-performance Three Phase PV Inverter equipped with 5 MPPTs, ensuring maximum energy efficiency. Designed for reliability and durability, it features an IP66 protection rating and C5 anti-corrosion technology, making it suitable for various environmental conditions. The inverter ensures enhanced safety with built-in arc-fault circuit interrupters and Type II surge protection devices (SPDs) on both DC and AC sides. It delivers high energy yield with built-in PID recovery and compatibility with bifacial PV modules. With a user-friendly design, including an optional OLED screen and smart monitoring via an app, this inverter is ideal for residential, commercial, and industrial solar systems.

Product Features:

Safe & Reliable

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

High-Performance Management

• Accurate string current detection
• Supports export power limits
• Local & remote maintenance

High Yield

• Built-in PID recovery function
• Compatible with bifacial PV modules
• 1.1 times continuous output overload

User-Friendly Design

• Convenient handle design
• Optional OLED screen
• Quick setup & smart monitoring via app
  

Specifications:

Input (PV)

• Max. PV input voltage: 1100V
• Recommended max. PV power (STC): 75kWp
• Nominal PV input voltage: 620V
• MPPT operating voltage range: 200V - 1000V
• Full power MPPT voltage range: 250V - 850V
• Startup PV voltage: 250V
• Number of PV inputs: 10 (5 MPPTs: 2/2/2/2/2)
• Max. current per MPPT: 32A / 32A / 32A / 32A / 32A
• Max. short circuit current per MPPT: 40A / 40A / 40A / 40A / 40A

Output (Grid)

• Nominal output power: 55kW
• Max. output power: 55kVA
• Nominal output voltage: 3/N/PE, 230V/400V
• Grid voltage range: 320V - 480V (According to local standards)
• Nominal grid frequency: 50/60Hz
• Power factor range: 0.8 leading - 0.8 lagging
• Harmonic (THD): <3%

Efficiency

• Max. efficiency: 98.6%
• EU efficiency: 98.3%

General Data

• Display mode: LED, OLED (optional)
• Communication port: RS485, Wi-Fi, Ethernet
• Weight: 50kg
• Dimensions (W × H × D): 698*594*274mm
• Max. operating altitude: 4000m (≤3000m derating)
• Cooling method: Smart fan cooling
• Humidity: 0 - 100%
• Operating temperature: -25°C to 60°C
• Protection level: IP66
• Topology: Transformerless
• Noise level at night: <1W

Protection

• Isolated current protection: Yes
• Anti-island protection: Yes
• DC reverse protection: Yes
• AC short circuit protection: Yes
• PV string current detection: Yes
• PID recovery: Yes
• Arc-fault circuit interrupter: Yes
• Surge protection: DC: Type II / AC: Type II

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