ZGR STR 2 / 3 / 4 / 5 inverters offer high energy efficiency with compact and lightweight design,
being ideal for residential integrations.
ZGR SOLAR STR string inverters are easy-to-use devices that have been designed to meet the needs of residential grid connection.
In an effort to improve the functionalities of domestic photovoltaic installations, these inverters offer efficiency greater than 97% as well as local and remote monitoring functionalities.
This new range of string inverters offers a power range between 2 and 5 kW, with a noise level below 35dB, not affecting the comfort of the household.
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TECHNICAL SPECIFICATIONS
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| Model | ZGR SOLAR STR 2 | ZGR SOLAR STR 3 | ZGR SOLAR STR 4 | ZGR SOLAR STR 5 |
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INPUT [DC]
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| Max. PV voltage | 500 V | |||
| MPP voltage range | 100 - 490 V | |||
| MPP voltage range for nominal power | 190 – 400 Vdc | 240 - 400 Vdc | 165 – 400 Vdc | 240 - 400 Vdc |
| Nominal PV input voltage | 380V | |||
| Min. PV input voltage | 100V | |||
| No. of MPPT trackers | 1 | 2 | ||
| Max. Number of input connector per MPPT | 1 | |||
| Max. Current per MPPT | 11A | 13A | 13A | |
| Max. Short-circuit current per MPPT | 15A | 17A | 17A | |
| Max. Current DC | 11A | 13A | 26A | |
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OUTPUT [AC]
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| Nominal AC output power | 2 kW @30ºC; 1,8 kW @40ºC; 1,6 kW @50ºC | 3 kW @30ºC; 2,7 kW @40ºC; 2,4 kW @50ºC | 4 kW @30ºC;3,6 kW @40ºC; 3,2 kW @50ºC | 3 kW @30ºC; 4,5 kW @40ºC; 4 kW @50ºC |
| Max. AC apparent power | 2 kVA | 3 kVA | 4 kVA | 5 kVA |
| Max. AC Active Power (cos =1) | 2 kW | 3 kW | 4 kW | 5 kW |
| Nominal AC voltage | 230 V ± 20% | |||
| AC connection | 1W + N + PE | |||
| AC grid frequency range | 50 / 60 Hz (± 5 Hz) | |||
| Nominal output current | 9 A | 13 A | 17,5 A | 22 A |
| Max. output current | 9 A | 13 A | 17,5 A | 22 A |
| Adjustable power factor range | 0,9 lagging/leading | |||
| THDi | <3% | |||
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EFFICIENCY
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| Max. Efficiency | 97,6 % | 97,5 % | ||
| European Efficiency | 97 % | 97 % | ||
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PROTECTIONS
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| Protections | DC switch; Anti-islanding Protection; DC Reverse-polarity Protection; PV-array String Fault Monitoring; Overvoltage protection; Ground fault monitoring; AC Overcurrent Protection; AC short circuit protection | |||
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GENERAL CHARACTERISTICS
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| Topology | Transformerless | |||
| Cooling Method | Natural cooling | |||
| Operating Temperature Range | -25ºC - 60ºC | |||
| Protection class | IP 65 | |||
| Ingress protection rating | Clase I | |||
| Noise emission | <25 dB | <35 dB | ||
| Operating Altitude | 0 a 95 % non-condesing | |||
| Dimensions (W x H x D) | 264 x 326 x 127 mm | 329 x 466 x 149 mm | ||
| Weight | 8,1 kg | 8,6 kg | 14,9 kg | 15,5 kg |
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COMMUNICATION
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| Comunications | RS 485 | |||
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COMPLIANCE
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| Certification & Standards | EN/IEC 62109-1/2; EN 61000-6-1; EN 61000-6-3; VDE-AR-N 4105: 2011; UNE 217001:2015 IN & ITC-BT-40 ANEXO I | |||
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