Products
TLCD DC Chargers
Model: RBC-VVV-AAT 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
- Touch panel with instrumentation and monitoring functions
- Suitable for electronic switches, communication equipments, monitoring and warning equipments, power control panels, and telecommunication systems
| Input | Voltage | 1Φ2W 110, 220, 380, 480VAC±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, 380, 480, 660, 750VDC±1% |
| Current | DC5~5000A | |
| Adjustable range | ±10% | |
| Static voltage regulation | ±0.5% | |
| 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 | Tri-state indicators | AC input/AC fault |
| Charger fault | ||
| ±Earth fault | ||
| DC over, high, or low voltage | ||
| DC over or low current | ||
| SID fault | ||
| SID on (optional) | ||
| Equalizing/float/boost charging | ||
| Battery discharging test running/failed | ||
| Touch panel control | Manual/auto charging selection | |
| Equalizing/float/boost charging selection | ||
| Output voltage & current limiting settings | ||
| Buzzer muting & reset control | ||
| Charger work flow display | ||
| Others | DC insulation monitoring | Optional |
| BMS | Optional | |
| 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
- Status indication of MCCBs
- Equalizing/float/boost charging mode setting by LCD touch panel
- Manual/auto charging and discharging setting by LCD touch panel
- Over voltage and low voltage indicators
- ±Earth fault indicators
- Charger fault indicator
- DC over and low current indicators
- Dry contacts with alarm devices (optional)
- Alarm auto/manual mute selection
- Reset through LCD touch panel
- Integrated LCD touch panel instrumentation and monitoring functions
- Charger work flow display
- • Isolated RS-232/RS-485 communication interfaces