33-50W High-Efficiency Central Inverter with Intelligent String Monitoring
The LSBH (33~50) KTL3-OC is a high-efficiency central inverter designed to support large-scale solar power systems. With a maximum efficiency of 98.7% and support for wide voltage input, this model is ideal for both commercial and utility-scale solar installations. Its fan cooling technology ensures optimal thermal management even in demanding environments. This model is designed with up to 3 to 4 MPPTs (Maximum Power Point Tracking) for improved energy harvest from PV systems with different string orientations or partial shading conditions.
The inverter also supports intelligent features like GPRS/WiFi communication for simplified installation and reduced wiring costs. It provides intelligent string monitoring, supports RS485 communication, and offers AFCI protection, reducing the risk of fire. Additionally, its night-time PID recovery function helps increase overall system yield by maintaining high energy efficiency.
| Product Model | LSBH33KTL3-0C1 | LSBH36KTL3-0c1 | LSBH40KTL3-0c1 | LSBH50KTL3-0C1 | |
| Input | Max.DC Input Power | 39600W | 43200W | 48000W | 60000W |
| Max.DC InputVotage | 1100V | ||||
| Max.DCInputCurent | 36A/36A/20A | 36A/36A/20A/20A | |||
| MPPT Votage Range | 200~1000Vdc | ||||
| Recommended Working Voltage | 650V | ||||
| MPPT Number | 3 | 4 | |||
| Max hput Strings per MPPT | 02/2/2 | 2/2/2/2 | |||
| Output | Rated Output Power | 33000W | 36000W | 40000W | 50000W |
| Max.AC Power | 36.3kVA | 39.6kVA | 44kVA | 55kVA | |
| Max.OutputCurrent | 53A | 56A | 65A | 80A | |
| Rated Power Gnd Voltage | 400V | ||||
| PowerGnd Votage Range | 310-480Vao | ||||
| Bated Power Gnd Frequency | 50Hz/60Hz | ||||
| Grid Frequency Range | 45-55Hz/55-65Hz | ||||
| THD | <2%(under rated power) | ||||
| Power Factor | >0.99 (under rated power)/Adjustable range0.8(leading)-0.8(lagging) | ||||
| DC Component | <0.5%(under rated power) | ||||
| System Data |
Max.Efficiency 98.6% | 98.6% | 98.6% | 98.7% | |
| Euro,officiency | 98.1% | 98.1% | 98.2% | 98.2% | |
| Humidity | 0-100%,no condensation | ||||
| Cooing | Fan | ||||
| Ambient Temperature Range | -25~+60℃ | ||||
| Consumption During Night | <1W | ||||
| Altitude | 4000m | ||||
| Display | LED/LCD(optional) | ||||
| Communication Interface | RS485/GPRS/Wifi (optional) | ||||
| Mechanica Data |
Size | 610x564x218mm | |||
| Weight | 37kg 39kg | ||||
| Protection Level | IP66 | ||||
| Conforming Standards |
Standards for Grd Connection | NB/T 32004-2018;IEC61727 | |||
| Safety Standard | NB/T 32004-2018;EC 62109-1/2 | ||||
| EMC | IEC61000-6-2/4 | ||||
| Remarks:Speciications are subject to change without notice;Special voltage and power requirements can be customized designed | |||||
The LSBH (33~50) KTL3-OC is ideally suited for large commercial solar installations and utility-scale power plants. It is perfect for scenarios requiring high power output and robust grid support while optimizing energy efficiency. The inverter’s durable design and IP66 protection make it suitable for harsh environmental conditions, supporting energy generation across a wide range of temperatures and altitudes.
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