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Fronius: INV GT 33.3KW and 36KW
Cat. No. GT-FRO

PV central inverter with Fronius MIX™ technology

The Fronius CL combines high-yield power electronics with the unique, modular system design of up to 15 identical power stages. Maximum yield and outstanding reliability are the advantages of this sophisticated system. This makes the Fronius CL the ideal central inverter for PV systems up to the megawatt range. Other features include exact MPP tracking of the Module Manager, the automatic HF transformer switching function and much more. Fronius CL - a distinctive universal device that guarantees maximum energy earnings


Technical Data



Fronius CL 33.3 Delta Fronius CL 36.0 WYE277
INPUT DATA

Recommended PV-Power 28.3 - 39.0 kWp 30.6 - 42.1 kWp
MPPT-Voltage Range 230 ... 500 V 230 ... 500 V
Max. Input Voltage (at 1000 W/m²
14°F in open circuit operation)
600 V 600 V
Nominal Input Voltage 390V 390V
Nominal Input Current 90.8 A 98.2A
Max. usable Input Current 154.0 A 166.5 A
DC Startup Voltage 245 V 245 V
Admissible Conductor Size (DC) 350 MCM 350 MCM
No. of DC Input Terminals 2X M12 (1/2") lug per hole 2X M12 (1/2") lug per hole
No. of MPP Trackers 1 1
OUTPUT DATA

Nominal output power (PAC nom) 33300 W 36000 W
Max. continuous output power (40°C) 208 V 33300 W n/a
Max. continuous output power (40°C) 240 V 33300 W n/a
Max. continuous output power (40°C) 277 V n/a 36000 W
Nominal AC output voltage 208/240 V 277 V
Operating AC voltage range default 208 V 183-229V n/a
240 V 211-264V n/a
277 V n/a 244-305V
Nominal output current 208 V 92.4A n/a
240 V 80.1A n/a
277 V n/a 43.3A
Number of phases 3 3
Admissible conductor size (AC) 350 MCM 350 MCM
No. of AC Terminals 2X M10 (7/16") lug per hole 2x M10 lug per pole
Max. continuous utility backfeed current 0 A 0 A
Nominal output frequency 60 Hz 60 Hz
Operating frequency range 59.3 - 60.5 Hz 59.3 - 60.5 Hz
Total harmonic distortion < 3 % < 3 %
Power Factor 1 1
GENERAL DATA

Max. Efficiency 95.9 % 95.9 %
CEC Efficiency 208 V 94.5 % n/a
240 V 95.0% n/a
277 V n/a 95.5 %
Consumption in standby (night) < 15 W < 15 W
Consumption during operation 65 W 65 W
Cooling Controlled forced ventilation, variable speed fan Controlled forced ventilation, variable speed fan
Enclosure Type Type 3R, Powder Coated Aluminum Enclosure (standard) Type 3R, Powder Coated Aluminum Enclosure (standard)
Unit Dimensions (w/socket) (W x H x D) 43.5 x 76.6 x 31.4 inch 43.5 x 76.6 x 31.4 inch
Inverter Weight (w/socket) 661 lbs 661 lbs
Admissible Ambient Temperature -13 ... 122°F -13 ... 122°F
 Rel. Humidity  0 ... 95 % (non condensing)  0 ... 95 % (non condensing)
 AC- & DC-Disconnects  integrated  integrated
Compliance UL 1741-2005, IEEE 1547-2003, IEEE 1547.1,
ANSI/IEEE C62.41, FCC Part 15 B, NEC Article 690, C22. 2 No. 107.1-01 (September 2001), California Solar Initiative - Program Handbook - Appendix C: Inverter Integral 5 % Meter Performance Specification
UL 1741-2005, IEEE 1547-2003, IEEE 1547.1,
ANSI/IEEE C62.41, FCC Part 15 B, NEC Article 690, C22. 2 No. 107.1-01 (September 2001), California Solar Initiative - Program Handbook - Appendix C: Inverter Integral 5 % Meter Performance Specification
 PROTECTION
DEVICES
   
Ground fault protection  internal GFDI (Ground Fault Detector/Interruptor); in accordance with UL 1741-2005 and NEC Art. 690  internal GFDI (Ground Fault Detector/Interruptor); in accordance with UL 1741-2005 and NEC Art. 690
 DC reverse polarity protection internal diode internal diode
Islanding protection internal; in accordance with UL 1741-2005, IEEE 1547-2003 and NEC internal; in accordance with UL 1741-2005, IEEE 1547-2003 and NEC
Over temperature  output power derating/active cooling output power derating/active cooling

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