Fronius IG 4000 / 5100 / 4500LV

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The powerful, reliable and light weight PV inverter series.

Higher yield due to work-sharing is achieved by linking the two power circuits using the MIX™ concept, our optimized master-slave system. In the part-load range only one of the two power stage sets operates, while both work together at full-load. The advantages are noticeable, increase in yield with a simultaneous reduction in operating hours. The Fronius IG 4000, IG 5100 and IG 4500LV inverters deliver more power output for higher performance (commercial) installations, yet only weigh 42 lbs making them the lightest grid connected inverters resulting in installation cost savings.

Operating Manual

Technical Data

Equipment features

Technical Data

Fronius IG	IG 4000	IG 5100	IG 4500-LV
DC Input Data
Recommend PV power	3000 - 5000 Wp	4000 - 6300 Wp	3600 - 5500 Wp
Max. DC input voltage	500 V	500 V	500 V
Operating DC voltage range	150 - 450 V	150 - 450 V	150 - 450 V
Max. usable DC input current	26.1 A	33.2 A	29.3 A
AC Output Data
Max. Output power @ 40°C	4000 W	5100 W	4500 W
Nominal AC output voltage	240 V	240 V	208 V
Utility AC voltage range	212 - 264 V (240 V + 10% / -12%)		183 - 229V
Maximum AC current	16.7 A	21.3 A	21.6 A
Max. utility back feed current	0.0 A	0.0 A	0.0 A
Operating frequency range	59.3 - 60.5 Hz (60 Hz nom)
Total Harmonic Distortion THD	<5%
Power Factor (cos phi)	1
General Data
Max. Efficiency	95.2%	95.2%	94.4%
Consumption in stand-by	< 0.15 W (night)
Consumption during operation	15 W
Enclosure	NEMA 3R
Size (l x w x h)	28.4 x 16.5 x 8.8 inches (720 x 418 x 223 mm)
Weight	42 lbs (19 kg)
Ambient Temperature Range		-5 to 122 °F (-20 to +50 °C)
Cooling	controlled forced ventilation
Integrated AC and DC disconnects	standard UL approved DC & AC disconnects
Protections
Ground fault protection	Internal GFDI, in accordance with UL 1741
DC reverse polarity	Internal diode
Islanding protection	Internal, in accordance with UL 1741, IEEE 1547
Over temperature	Output power derating
Surge protection	Internadl DC & AC protection to 6 kV
Compliance
Safety	UL 1741
EMI	FCC Part 15; Class A & B
Anti-islandinig protection	UL 1741, IEEE 1547
Ground fault detector and interruptor	Compliant with NEC Art. 690 requirements, UL 1741
Miscellaneous
Max. AC over current protection	Two-pole, 30 A circuit breaker
AC wire sizing	Use maximum AWG 6 194 °F (90 °C) copper wire
DC wire sizing	Use maximum AWG 8 194 °F (90 °C) copper wire
AC disconnect	32 A
DC disconnect	40 A
Warranty	10 year Premium Warranty is standard

Equipment features

Fronius LC-Display
HF-Transformer
Module-Manager
MIX-Concept

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