SUNGROW Inverter SG33/40/50CX 3 Phase 50Hz/60Hz LED Display 33KW 40KW 50KW Multi-MPPT String Solar Inverter for 1000 Vdc System

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  • Topology: Transformerless
  • Degree of protection: IP66
  • Night power consumption: ≤2W
  • Operating ambient temperature range: -30 to 60ºC (> 45ºC derating)
  • Allowable relative humidity range: 0–100 %
  • Cooling method: Smart forced air cooling
  • Max.operating altitude: 4000 m (> 3000 m derating)
  • Display: LED, Bluetooth+APP

$2,010.00

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Features of SUNGROW Solar Inverter

High yield

  • Up to 5 MPPTs with max. efficiency 98.7%
  • Compatible with bifacial modules
  • Built-in PID recovery function

Smart O&M

  • Touch free commissioning and remote firmware upgrade
  • Online IV curve scan and diagnosis*
  • Fuse free design with smart string current monitoring

Low cost

  • Compatible with Al and Cu AC cables
  • DC 2 in 1 connection enabled
  • Cable free communication with optional WLAN

Proven safety

  • IP66 and C5 protection
  • Type II SPD for both DC and AC, DC Type I+II Opt
  • Satisfied global safety and grid code

CIRCUIT DIAGRAM

EFFICIENCY CURVE

SIZE

Type designation SG33CX SG40CX SG50CX
Dimensions (W*H*D) 702*595*310mm 782*645*310mm 782*645*310mm
Weight 50kg 58kg 65kg

lnput (DC)

Type designation SG33CX SG40CX SG50CX
Max.PV input voltage 1100V* 1100V* 1100V*
Min. PV input voltage / start-up input voltage 200V/250V 200V/250V 200V/250V
Nominal PV input voltage 585V 585V 585V
MPP voltage range 200-1000V 200-1000V 200-1000V
No. of independent MPP inputs 3 4 5
No. of PV strings per MPPT 2 2 2
Max.PV input current 3*26A 4*26A 5*26A
Max.DC short-circuit current 3*40A 4*40A 5*40A

Output (AC)

Type designation SG33CX SG40CX SG50CX
AC output power 33 KVA @45ºC,  400Vac / 36.3 KVA @ 40ºC, 400Vac

33 KVA @ 50ºC, 415Vac / 36.3 KVA @ 45ºC, 415Vac

 40 KVA @45ºC,  400Vac / 44 KVA @ 40ºC, 400Vac

40 KVA @ 50ºC, 415Vac / 44 KVA @ 45ºC, 415Vac

 50 KVA @45ºC,  400Vac / 55 KVA @ 40ºC, 400Vac

50 KVA @ 50ºC, 415Vac / 55 KVA @ 45ºC, 415Vac
Max.AC output current 55.2A 66.9A 83.6A
Nominal AC voltage 3 / N / PE, 230 / 400 V 3 / N / PE, 230 / 400 V 3 / N / PE, 230 / 400 V
AC voltage range 312 – 528 V 312 – 528 V 312 – 528 V
Nominal grid frequency / Grid frequency range 50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz 50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz 50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz
Harmonic (THD) <3%(at nominal power) <3%(at nominal power) <3%(at nominal power)
DC current injection < 0.5 % In < 0.5 % In < 0.5 % In
Power factor at nominal power / Adjustable power factor > 0.99 / 0.8 leading – 0.8 lagging > 0.99 / 0.8 leading – 0.8 lagging > 0.99 / 0.8 leading – 0.8 lagging
Feed-in phases / AC connection 3/3 3/3 3/3
Max.efficiency / European efficiency 98.6 % / 98.3 % 98.6 % / 98.3 % 98.7 % / 98.4 %

Protection

DC reverse polarity protection Yes
AC short circuit protection Yes
Leakage current protection Yes
Grid monitoring Yes
Ground fault monitoring Yes
DC switch Yes
AC switch Yes
PV string monitoring at night function Yes
PID recovery function Yes
Arc fault circuit interrupter (AFCI) Optional
Overvoltage protection DC Type II (optional: Type I + II) / AC Type II

*: Only compatible with Sungrow logger, EyeM4 and iSolarCloud
**: The inverter enters the standby state when the input voltage ranges between 1,000 V and 1,100 V. If the maximum DC voltage in the system can exceed 1000 V, the MC4 connectors included in the scope of delivery must not be used. In this case MC4 Evo2 connectors must be used.

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