SIT250K Solar Inverter

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SIT250K

Advantages of SIT250K Solar Inverter
1. The electrical power generation system adopts the latest T-type three-level structural design, with high efficiency and low consumption.
2. Wide MPPT voltage range, MPPT efficiency> 99%.
3. The solar inverter has high conversion efficiency: the maximum conversion efficiency up to 97.8%, which is equivalent to 97.3% Europe efficiency.
4. The solar inverter is easy to operate with a user-friendly touch screen display.
5. The solar power inverter has complete range of protection features with high reliability.
6. Designed for high altitude area, the solar inverter is capable of full-load power generation below 4000m height.
7. Standard MODBUS protocol RS485 communication interface, optional Ethernet communication interface.
8. Modular design, easy maintenance, compact structure, low temperature rise, service life above 25 years.
9. Grid dispatch to enable the continuous adjustment of the active and reactive power.

Advantages of SIT250K Solar Inverter

Input
Rated Input Power (kW)	250
Maximum Input Power (kW)	285
MPPT Voltage Range (V)	500-850
Maximum DC Voltage (V)	1000
Maximum DC Current (A)	620
Input Channels	8
Starting Voltage (V)	500
Surge Protection	Ⅱ grade
Output
Rated Output Power (kW)	250
Maximum Output Power (kW)	275
Rated Output Voltage (V)	400/340-440V
Rated Output Current (A)	360
Maximum Output Current (A)	426
Grid Frequency (Hz)	50
Power Factor	leading 0.9~lagging 0.9
Harmonic Factor (Full Load)	<3%
Surge Protection	Ⅱ grade 8/20ns
Efficiency and loss
Maximum Efficiency	97.80%
European Efficiency	97.30%
Standby Power Consumption (W)	<100
External auxiliary power supply (V)	230V 50/60Hz for (L-N-PE) 3×400V 50/60Hz for (L-L-PE)
Weight and Dimensions
Dimensions (W×H×D) (mm)	1600×2000×800
Mass (Kg)	2000
Display and Communications
Display	7 inch LCD touch screen
Data Interface	RS232,RS 485(MODBUS)2 Channel , Ethernet
Protection rating and ambient conditions
Protection Class	IP 20
Operating Temperature Range	- 25~ 55 ℃
Storage Temperature Range	- 25~ 70 ℃
Humidity Range	5%-95%
Cooling	Forced air cooling (6000m3/h)
Installation altitude (m)	6000m, no de-rate below 3000m
Features
Ground Fault Detection	yes
Heater	yes
Emergency Stop	yes
AC Circuit Breaker	yes
DC Circuit Breaker	yes
Over-voltage Protection AC/DC	yes
Auxiliary Power Supply Over-Voltage Protection	yes
Step-up Transformer	yes
Security Protection	yes
Certificates
EMC	EN 61000-6-2, EN 61000-6-4EN 61000-3-11; EN 61000-3-12
CE	yes
China General Certification, CGC	China General Certification Center
Low Voltage Ride Through, LVRT	State Grid Electric Power Research Institute
RD 1633/2000	yes
CEI 0-16	yes
Warranty	5 years
Grid Dispatch	yes

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