KACO Blueplanet 125 TL3 and 137 TL3 Inverters
Overview
The KACO Blueplanet 125 TL3 and 137 TL3 are high-performance, transformerless, three-phase string inverters designed for utility-scale solar power plants and multi-megawatt solar parks. These inverters utilize advanced silicon carbide technology for superior efficiencies and overload capacity, making them ideal for extreme environmental conditions.
Key Features
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High Efficiency: Maximum efficiency of 99.2% and European efficiency of 99.0%.
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Silicon Carbide Technology: Ensures high performance and durability.
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Wide Voltage Range: Compatible with high-voltage PV modules up to 1500V.
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Robust Design: IP66/NEMA 4X protection class for harsh environments.
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Comprehensive Connectivity: Ethernet, RS485, USB interfaces, and optional Wi-Fi.
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Advanced Grid Management: Extensive grid management functions for optimal performance.
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Lean Commissioning: Remote services for commissioning and updates.
Technical Specifications
DC Input Data
Specification |
125 TL3 |
137 TL3 |
Max. recommended PV generator power |
187,500 W |
205,500 W |
MPP range |
875 – 1,300 V |
875 – 1,300 V |
Operating range |
875 – 1,450 V |
875 – 1,450 V |
Rated DC voltage / start voltage |
900 V / 1,000 V |
900 V / 1,000 V |
Max. no-load voltage |
1,500 V |
1,500 V |
Max. input current |
160 A |
160 A |
Max. short circuit current Isc max |
300 A |
300 A |
Number of MPP trackers |
1 |
1 |
Connection per tracker |
1 - 2 |
1 - 2 |
AC Output Data
Specification |
125 TL3 |
137 TL3 |
Rated output |
125,000 VA |
137,000 VA |
Max. power |
137,500 VA |
137,500 VA |
Line voltage |
600 V (3P+PE) |
600 V (3P+PE) |
Voltage range (Ph-Ph) |
480 – 690 V |
480 – 690 V |
Rated frequency (range) |
50 Hz / 60 Hz (45 – 65 Hz) |
50 Hz / 60 Hz (45 – 65 Hz) |
Rated current |
3 x 120.3 A |
3 x 132.3 A |
Max. current |
3 x 132.3 A |
3 x 132.3 A |
Reactive power / cos phi |
0 – 100% Snom / 0.30 ind. – 0.30 cap. |
0 – 100% Snom / 0.30 ind. – 0.30 cap. |
Max. total harmonic distortion (THD) |
≤ 3% |
≤ 3% |
Number of grid phases |
3 |
3 |
General Data
Specification |
125 TL3 |
137 TL3 |
Max. efficiency |
99.2% |
99.2% |
Europ. efficiency |
99.0% |
99.0% |
CEC efficiency |
98.9% |
98.9% |
Standby consumption |
< 10 W |
< 10 W |
Circuitry topology |
Transformerless |
Transformerless |
Mechanical Data
Specification |
125 TL3 |
137 TL3 |
Display |
LEDs |
LEDs |
Control units |
Webserver, supports mobile devices |
Webserver, supports mobile devices |
Interfaces |
Ethernet (Modbus TCP, Sunspec), RS485 (KACO-protocol), USB, optional: 4-DI, Wi-Fi |
Ethernet (Modbus TCP, Sunspec), RS485 (KACO-protocol), USB, optional: 4-DI, Wi-Fi |
Fault signalling relay |
Potential-free NOC max. 30 V / 1 A |
Potential-free NOC max. 30 V / 1 A |
DC connection |
Cable lug, max. 240 mm² (0.372 in²) Cu or Al |
Cable lug, max. 240 mm² (0.372 in²) Cu or Al |
AC connection |
Cable lug, max. 240 mm² (0.372 in²) Cu or Al |
Cable lug, max. 240 mm² (0.372 in²) Cu or Al |
Ambient temperature |
-25 °C – +60 °C 1) |
-25 °C – +60 °C 1) |
Humidity |
0 – 100% |
0 – 100% |
Max. installation elevation (above MSL) |
3,000 m |
3,000 m |
Min. distance from coast |
500 m |
500 m |
Cooling |
Temperature controlled fan |
Temperature controlled fan |
Protection class |
IP66 / NEMA 4X |
IP66 / NEMA 4X |
Noise emission |
59.2 dB(A) |
59.2 dB(A) |
Dimensions (H x W x D) |
719 x 699 x 460 mm |
719 x 699 x 460 mm |
Weight |
78.2 kg |
78.2 kg |
Certifications
- Safety: IEC 62109-1/-2, EN 61000-6-1/-2/-4, EN 61000-3-11/-12, EN 55011 group 1, class A, EN 62920 Emission class A/Immunity class A, UL62109-1, UL1741, CSA-C22.2 No.107.1, CSA-C22.2 No.62109-1, CSA-C22.2 No.62109-2
Versions
Feature |
S |
XL |
Number of DC inputs |
1 - 2 |
1 - 2 |
DC switch |
- |
✓ |
DC SPD |
Type 1 + 2 |
Type 1 + 2 |
AC SPD |
⬤ |
⬤ |
RS485 interface SPD |
⬤ |
⬤ |
Ethernet interface SPD |
⬤ |
⬤ |
PID Set |
⬤ |
⬤ |
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Standard: ✓
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Upgradeable: ⬤
Notes:
- Power derating at high ambient temperatures
The KACO Blueplanet 125 TL3 and 137 TL3 inverters are designed to deliver high efficiency and reliable performance for large-scale solar installations, with advanced features for current and future requirements. Their robust design and extensive connectivity options make them suitable for diverse and challenging environments.