RK-BP Series AC Coupler
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Features
- Compatible with lithium battery and lead-acid battery
- Wireless communication
- Fl exible control for monitoring system through APP
- No fan design
- IP65 protection level
- Battery isolated with AC electrical equipment ensure the safe and reliable
- Full power charging and discharging current of battery can reach 100A
- Off-grid, grid-connected dual-output
- Out-of-network THDu ≤3%, with inductive load
Application Examples
- Villa
- Communications base station
- Nomadic area
- Farm
- Household
- Backup power
How it works?
Technical Parameters
| Model | R3K6-BP | R5K-BP |
| Battery Input Data | ||
| Battery Type | Li-Ion or Lead-acid | Li-Ion or Lead-acid |
| Nominal Battery Voltage (V) | 48 | 48 |
| Max. Charging Voltage (V) | ≤60 (Configurable) | ≤60 (Configurable) |
| Max. Charging Current (A) | 75 | 100 |
| Max. Discharging Current | 75 | 100 |
| Battery Capacity (Ah) | 50~2000 | 50~2000 |
| Charging Strategy for Li-Ion Battery | Self-adaption to BMS | Self-adaption to BMS |
| AC Output Data (On-Grid) | ||
| Nominal Power Output (W) | 3680 | 5000 |
| Max. Apparent Power Output (VA) | 3680 | 5000 |
| Max. Apparent Power From Utility Grid (VA) | 7360 | 9200 |
| Nominal Output Voltage (V) | 230 | 230 |
| Nominal Output Frequency (Hz) | 50/60 | 50/60 |
| Max. AC Current Output (A) | 16 | 22.8 |
| Max. AC Current From Utility Grid (A) | 32 | 40 |
| Output Power Factor | ~1 (Adjustable from 0.8 leading to 0.8 lagging) | ~1 (Adjustable from 0.8 leading to 0.8 lagging) |
| Output THDi (@Nominal Output) | < 3% | < 3% |
| AC Output Data (Back-up) | ||
| Max. Output Apparent Power (VA) | 3680 | 5000 |
| Peak Output Apparent Power (VA) | 4416, 10sec | 5500, 10sec |
| Automatic Switch Time (ms) | < 10 | < 10 |
| Nominal Output Voltage (V) | 230 (±2%) | 230 (±2%) |
| Nominal Output Frequency (Hz) | 50/60 (±0.2%) | 50/60 (±0.2%) |
| Max. Output Current (A) | 16 | 22.8 |
| Output THDv (@Linear Load) | < 3% | < 3% |
| Efficiency | ||
| Max. Efficiency | 95.5% | 95.5% |
| Protection | ||
| Anti-islanding Protection | Integrated | Integrated |
| Output Over Current Protection | Integrated | Integrated |
| Output Short Protection | Integrated | Integrated |
| Output Over Voltage Protection | Integrated | Integrated |
| General Data | ||
| Operating Temperature Range (°C) | -25~60 | -25~60 |
| Relative Humidity | 0~95% | 0~95% |
| Operating Altitude (m) | ≤4000 | ≤4000 |
| Cooling | Natural Convection | Natural Convection |
| Noise (dB) | < 25 | < 25 |
| User Interface | LED & APP | LED & APP |
| Communication with BMS | RS485; CAN | RS485; CAN |
| Communication with Meter | RS485 | RS485 |
| Communication with Portal | Wi-Fi | Wi-Fi |
| Weight (kg) | 18.5 | 18.5 |
| Size (Width*Height*Depth mm) | 550/200/515mm | 550/200/515mm |
| Mounting | Wall Bracket | Wall Bracket |
| Protection Degree | IP65 | IP65 |
| Standby Self Consumption (W) | < 15 | < 15 |
| Topology | High Frequency Isolation | High Frequency Isolation |
| Certifications & Standards | ||
| Grid Regulation | AS4777.2, G83/G100, CEI0-21 | AS4777.2, G59/G100, CEI0-21 |
| Safety | IEC62477, IEC62040 | IEC62477, IEC62040 |
| EMC | EN 61000-6-1, EN 61000-6-2, EN 61000-6-3, EN 61000-6-4 | EN 61000-6-1, EN 61000-6-2, EN 61000-6-3, EN 61000-6-4 |
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