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REBC 4.5 kW Battery Charger for LHB Coaches
MAK Controls as a Trusted Vendor for Indian Railways
MAK Controls & Systems Pvt. Ltd. has been a trusted vendor to Indian Railways for more than four years, successfully supplying over 650 units of the REBC 4.5 kW Battery Charger for LHB (Linke Hofmann Busch) coaches.
REBC 4.5 kW Battery Charger for LHB Coaches
This high-efficiency, high-technology charger is designed and manufactured with advanced power-electronics architecture, ensuring precise charging control, superior reliability, and energy optimization under diverse field conditions. Each unit adheres to stringent RDSO and Indian Railway specifications, reflecting MAK’s uncompromising commitment to engineering excellence and quality assurance.
With proven field performance across multiple railway zones, the REBC 4.5 kW charger has become a benchmark product for LHB coach battery-charging applications, contributing to Indian Railways’ goals of enhanced operational efficiency and reduced maintenance.
Input Voltage
- Mains Nominal Voltage
- Minimum Voltage
- Maximum Voltage
- Frequency
- THD (max) Voltage
- 415 V AC, three-phase, 4-wire system
- 350 V AC, three-phase
- 480 V AC, three-phase
- 50 Hz ± 3%
- 10%
Output (DC)
- Type
- Output voltage
- Output current
- a. Battery charging current
- b. Other loads
- Output Power
- Type & Ah rating of Battery
- Efficiency
- Voltage ripple
- Current ripple
- Frequency
- Dimension (charger unit) (as per RDSO/PE/SK/AC/200 -2018 (Rev.0)
- Weight (Charger unit)
- Fully insulated from coach body on both positive and negative sides
- 110 to 135 V (settable with the help of keypad) / 122 V±2% (During normal operation of battery charging)
- 35A
- 10A to 15A (settable with the help of key pad)
- 20A
- 4.5 kW (max.)
- Lead-acid, 70/ 120 Ah (both flooded and VRLA)
- ≥ 92% @ Full Load, ≥ 85% @ Half Load
- ≤ 2 % of set voltage
- ≤ 3 % of set current
- 50 Hz ± 3%
- Length (max)- 900 mm | Depth (max) - 440 mm | Height (max) - 650 mm
- <120 kg
PROTECTIONS AND INDICATIONS FOR REBC
The REBC has the following protective features
- Input supply over voltage set at 240 +15%V
- Output current limit at 24 Amps.
- Battery reverse-polarity protection
- Input supply under voltage set at 240 - 15% V
- Output short-circuit protection.