Products
LCD DC Chargers
Model: RBC-VVV-AA Series
- SCR full-wave rectifier
- Comprehensive protection including soft start, warning indication, and current limiting for both charging and external load
- Parallel operation (redundant system)
- Separated DC outputs for charging batteries and supplying external load connected through diode dropper (SID)
- Soft start function to prevent damaging battery and devices from transient high voltage
- Current limiting for the two outputs separately
- Battery discharge termination warning with optional automatic cut-off device
- Balanced three-phase isolation transformer for the input
- LCD panel for integrated instrumentation and monitoring functions
- Suitable for electronic switches, communication equipments, monitoring and warning equipments, power control panels, and telecommunication systems
| Input | Voltage | 1Φ2W 110, 220VAC±10% |
| 3Φ3W 220 , 380, 440, 460, 480VAC±10% | ||
| 3Φ4W 120/208VAC, 220/380VAC±10% | ||
| Frequency | 50/60 Hz±5% | |
| Power factor | ≥0.8 | |
| Output | Voltage | 6, 12, 24, 48, 110, 125, 220, 480, 660, 750VDC |
| Current | DC5~5000A | |
| Adjustable range | ±10% | |
| Static voltage regulation | ±1% | |
| Voltage adjustment rate (SID) | ±10%, ±5%, ±3%, ±2% | |
| Current limit setting range | 50%~120% rated output, adjustable | |
| Efficiency | Single-phase input | ≥75% |
| Three-phase input | ≥85% | |
| Ripple | <1% RMS under full-load situation | |
| Indication & control | Indicators | AC input/AC fault |
| Charger fault | ||
| ±Earth fault | ||
| DC over or low voltage | ||
| DC high current | ||
| SID fault | ||
| Equalizing/float charging | ||
| Manual/auto charging modes | ||
| Control | Equalizing/float charging buttons | |
| Manual/auto charging buttons | ||
| Adjusting knobs for equalizing/Float charging voltage | ||
| Buzzer muting button | ||
| Reset button | ||
| General | Noise @1M | <65dBA |
| Cooling | Natural cooling or forced cooling | |
| Operating temperature | 0~+45°C | |
| Storage temperature | -40~+80°C | |
| Operating humidity | 10~90% relative humidity, non-condensing | |
| Operating altitude | <3000M | |
※ Customization is available for special requirements.
※The information in this document is subject to change without notice.
- Reverse battery protection
- Current limiting protection
- Over voltage protection
- Molded case circuit breakers (MCCBs) for input, battery, and load
- Equalizing/float charging switch buttons with indicator
- Manual/auto charging switch buttons with indicator
- Over voltage and low voltage indicators
- ±Earth fault indicators
- Charger fault indicator
- DC over and low current indicators
- Dry contacts with alarm devices (optional)
- Reset button with indicator
- Integrated LCD instrumentation and monitoring functions
- Isolated RS-232/RS-485 communication interfaces