Kaco Powador xi Series

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Kaco transformerless (pdf, 196 kB)

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Kaco Powador xi Series
The Powador 2500xi to 4500xi without transformers can be single-phase connected individually, due to their nominal output.
Kaco Powador xi Series
The single-phase Powador 5000xi – 8000xi have a nominal output of more than 5 kW; for this reason the unbalanced load between feed-in phases should be considered during the dimensioning.

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Overview of Country Certifications (pdf, 172 kB)
TÜV Declaration: Made in EU (pdf, 1954 kB)
Warranty Conditions xi (pdf, 78 kB)

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PV system dimensioning software Kaco

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The German version is binding. The content is subject to change without prior notice.

Kaco Powador xi Series
Inverters without transformers

Higher efficiency
Without transformers, the inverters of the Kaco xi series achieve optimal efficiency. As a specialist for inverters without transformers, Kaco has equipped all devices of the xi series with a full bridge and omitted the boost converters. The self-controlled devices emulate the sinus voltage curve of the public power grid using a H4 bridge. Prerequisite for using the xi series inverters is an input voltage higher than the grid peak voltage.
Simple installation
With a MPP range of 350 to 600 V and an off-load voltage of 800 V the conditions for a simple system dimensioning are ideal. The devices are connected to the grid by screw terminals. The redundant 3-phase monitoring, including an AC/DC sensitive residual-current-operated protective device, facilitates the grid connection, even in the case of systems with several inverters.
Long service life
All inverters operate up to outputs of 8 kW with silent and purely passive cooling. The lost heat is optimally dissipated by the cooling element on the back. This cooling without mechanical fans reduces error sources and thus achieves a long life-cycle of the devices.
100 % feed-in
The Kaco Powador 6650xi was specifically developed for applications with connections limits of 20 kW. Due to the 100 % symmetrical feed-in of 20 kW, not one watt of power is wasted, not even in Spain, Italy or Greece.
Art. No. 0201134 0201136 0201138
Model Kaco Powador 2500xi DCS INT Kaco Powador 3600xi DCS INT Kaco Powador 4000xi DCS INT
Scope of applications Grid-connected Grid-connected Grid-connected
MPP voltage range 350 ‑ 600 V 350 ‑ 600 V 350 ‑ 600 V
Open circuit voltage 800 V 800 V 800 V
Max. input current 8.6 A 12.0 A 14.5 A
Nominal output 2600 W 3600 W 4400 W
Output voltage 190 ‑ 264 V 190 ‑ 264 V 190 ‑ 264 V
Power factor cos phi 1 1 1
Frequency 50 Hz 50 Hz 50 Hz
Harmonic distortion < 3 % < 3 % < 3 %
Max. efficiency 96.4 % 96.4 % 96.4 %
Euro efficiency 95.8 % 95.8 % 95.8 %
Night-time consumption 0 W 0 W 0 W
Ambient temperature -20 to +60 °C -20 to +60 °C -20 to +60 °C
Heat dissipation Free convection / no fan Free convection / no fan Free convection / no fan
Protection mode IP54 IP54 IP54
Circuit type Self-controlled, transformerless Self-controlled, transformerless Self-controlled, transformerless
DC load disconnector Integrated Integrated Integrated
Grid monitoring Redundant 3-phase monitoring acc. to VDE 0126-1-1:2006-02, VDEW-compliant Redundant 3-phase monitoring acc. to VDE 0126-1-1:2006-02, VDEW-compliant Redundant 3-phase monitoring acc. to VDE 0126-1-1:2006-02, VDEW-compliant
Display Two-line LC display Two-line LC display Two-line LC display
Connection PCB clip up to max. 6 mm² PCB clip up to max. 6 mm² PCB clip up to max. 6 mm²
Casing Aluminium Aluminium Aluminium
Dimensions (W / H / D) 500 mm / 340 mm / 200 mm 550 mm / 340 mm / 220 mm 550 mm / 340 mm / 220 mm
Weight 19 kg 21 kg 26 kg
Warranty * 7 years 7 years 7 years
Norms DIN VDE 0126-1-1:2006-02, EN 50178, DIN EN 50178, IEC 62103, RAL seal of approval (RAL GZ 966) DIN VDE 0126-1-1:2006-02, EN 50178, DIN EN 50178, IEC 62103, RAL seal of approval (RAL GZ 966) DIN VDE 0126-1-1:2006-02, EN 50178, DIN EN 50178, IEC 62103, RAL seal of approval (RAL GZ 966)

Art. No. 0201140 0201142 0201144
Model Kaco Powador 4500xi DCS INT Kaco Powador 5000xi DCS INT Kaco Powador 6400xi DCS INT
Scope of applications Grid-connected Grid-connected Grid-connected
MPP voltage range 350 ‑ 600 V 350 ‑ 600 V 350 ‑ 600 V
Open circuit voltage 800 V 800 V 800 V
Max. input current 15.2 A 18.0 A 19.0 A
Nominal output 4600 W 5500 W 6400 W
Output voltage 190 ‑ 264 V 190 ‑ 264 V 190 ‑ 264 V
Power factor cos phi 1 1 1
Frequency 50 Hz 50 Hz 50 Hz
Harmonic distortion < 3 % < 3 % < 3 %
Max. efficiency 96.3 % 96.3 % 96.5 %
Euro efficiency 95.3 % 95.3 % 95.8 %
Night-time consumption 0 W 0 W 0 W
Ambient temperature -20 to +60 °C -20 to +60 °C -20 to +60 °C
Heat dissipation Free convection / no fan Free convection / no fan Free convection / no fan
Protection mode IP54 IP54 IP54
Circuit type Self-controlled, transformerless Self-controlled, transformerless Self-controlled, transformerless
DC load disconnector Integrated Integrated Integrated
Grid monitoring Redundant 3-phase monitoring acc. to VDE 0126-1-1:2006-02, VDEW-compliant Redundant 3-phase monitoring acc. to VDE 0126-1-1:2006-02, VDEW-compliant Redundant 3-phase monitoring acc. to VDE 0126-1-1:2006-02, VDEW-compliant
Display Two-line LC display Two-line LC display Two-line LC display
Connection PCB clip up to max. 6 mm² PCB clip up to max. 6 mm² PCB clip up to max. 6 mm²
Casing Aluminium Aluminium Aluminium
Dimensions (W / H / D) 600 mm / 340 mm / 220 mm 600 mm / 340 mm / 220 mm 810 mm / 340 mm / 220 mm
Weight 28 kg 30 kg 38 kg
Warranty * 7 years 7 years 7 years
Norms DIN VDE 0126-1-1:2006-02, EN 50178, DIN EN 50178, IEC 62103, RAL seal of approval (RAL GZ 966) DIN VDE 0126-1-1:2006-02, EN 50178, DIN EN 50178, IEC 62103, RAL seal of approval (RAL GZ 966) DIN VDE 0126-1-1:2006-02, EN 50178, DIN EN 50178, IEC 62103, RAL seal of approval (RAL GZ 966)

Art. No. 0201146 0201148 0201150
Model Kaco Powador 6650xi DCS INT Kaco Powador 7200xi DCS INT Kaco Powador 8000xi DCS INT
Scope of applications Grid-connected Grid-connected Grid-connected
MPP voltage range 350 ‑ 600 V 350 ‑ 600 V 350 ‑ 600 V
Open circuit voltage 800 V 800 V 800 V
Max. input current 19.7 A 21.4 A 24.0 A
Nominal output 6650 W 7200 W 8000 W
Output voltage 190 ‑ 264 V 190 ‑ 264 V 190 ‑ 264 V
Power factor cos phi 1 1 1
Frequency 50 Hz 50 Hz 50 Hz
Harmonic distortion < 3 % < 3 % < 3 %
Max. efficiency 96.5 % 96.5 % 96.5 %
Euro efficiency 95.8 % 95.8 % 95.8 %
Night-time consumption 0 W 0 W 0 W
Ambient temperature -20 to +60 °C -20 to +60 °C -20 to +60 °C
Heat dissipation Free convection / no fan Free convection / no fan Free convection / no fan
Protection mode IP54 IP54 IP54
Circuit type Self-controlled, transformerless Self-controlled, transformerless Self-controlled, transformerless
DC load disconnector Integrated Integrated Integrated
Grid monitoring Redundant 3-phase monitoring acc. to VDE 0126-1-1:2006-02, VDEW-compliant Redundant 3-phase monitoring acc. to VDE 0126-1-1:2006-02, VDEW-compliant Redundant 3-phase monitoring acc. to VDE 0126-1-1:2006-02, VDEW-compliant
Display Two-line LC display Two-line LC display Two-line LC display
Connection PCB clip up to max. 6 mm² PCB clip up to max. 6 mm² PCB clip up to max. 6 mm²
Casing Aluminium Aluminium Aluminium
Dimensions (W / H / D) 810 mm / 340 mm / 220 mm 810 mm / 340 mm / 220 mm 810 mm / 340 mm / 220 mm
Weight 38 kg 38 kg 38 kg
Warranty * 7 years 7 years 7 years
Norms DIN VDE 0126-1-1:2006-02, EN 50178, DIN EN 50178, IEC 62103, RAL seal of approval (RAL GZ 966) DIN VDE 0126-1-1:2006-02, EN 50178, DIN EN 50178, IEC 62103, RAL seal of approval (RAL GZ 966) DIN VDE 0126-1-1:2006-02, EN 50178, DIN EN 50178, IEC 62103, RAL seal of approval (RAL GZ 966)

Art. No. 0201152
Model Kaco Powador 4000 supreme INT
Scope of applications Grid-connected
MPP voltage range 350 ‑ 510 V
Open circuit voltage 600 V
Max. input current 14.5 A
Nominal output 4400 W
Output voltage 190 ‑ 264 V
Power factor cos phi 1
Frequency 50 Hz
Harmonic distortion < 3 %
Max. efficiency 97.0 %
Euro efficiency 96.6 %
Night-time consumption 0 W
Ambient temperature -20 to +60 °C
Heat dissipation Free convection / no fan
Protection mode IP54
Circuit type Self-controlled, transformerless
DC load disconnector Integrated
Grid monitoring Redundant 3-phase monitoring acc. to VDE 0126-1-1:2006-02, VDEW-compliant
Display Two-line LC display
Connection PCB clip up to max. 6 mm²
Casing Aluminium
Dimensions (W / H / D) 550 mm / 340 mm / 220 mm
Weight 26 kg
Warranty * 7 years
Norms DIN VDE 0126-1-1:2006-02, EN 50178, DIN EN 50178, IEC 62103, RAL seal of approval (RAL GZ 966)


* ‑ Can optionally be extended to 10 / 15 / 20 / 25 years

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