RailMac On-board Self-contained Auxiliary Power Supply System
Auxiliary power supply: meet the auxiliary power supply needs of emergency ventilation, lighting, communication control, etc.;
Mainline self-traction: realize the emergency self-traction of vehicles under the mainline A W 3 load;
In-depot self-traction: realize in-depot shunting, track switching, non-electric car washing and other operations;
Features of On-board Self-contained Auxiliary Power Supply System
Lightweight: Compared with traditional battery systems with the same capacity, the weight is reduced by more than 40% and the volume is reduced by more than 20%;
High power: The high-rate charging and discharging capability is strong, meeting the requirements of vehicle self-traction on steep slope lines;
Informatization: Equipped with a battery management system to achieve online detection, control and protection of the battery system;
Long life: The service life reaches more than 15 years;
Maintenance-free: The maintenance workload is reduced by more than 90% compared with traditional batteries;
Internationally advanced: The key technology of vehicle auxiliary power supply and emergency self-traction integration has been evaluated as “Internationally Advanced” scientific and technological achievements by the Rail Transit Association;
High safety: The battery has undergone needle puncture, extrusion and cutting experiments, and the product does not smoke, catch fire or explode; The product has obtained third-party safety assessment certification based on SIL2 and IEC62928;
Vehicle On-board Self-contained Auxiliary Power Supply System technical parameter table
| Battery type: | Lithium titanate battery |
| Quantity: | 2 Boxes / Row |
| Rated capacity: | 315Ah / Box |
| Battery pack rated voltage: | 103.5 V |
| Voltage usage range: | 77V ~ 124V |
| Rated capacity: | 32.6kWh / Box |
| Continuous output power: | 160kW / Box |
| Cooling method: | Natural Heat Dissipation |
| Applicable ambient temperature: | -40℃ ~ 55℃ |
| Communication method: | Ethernet |
| Weight: | 1300kg / Box |
| Dimensions (L * W * H): | 2100 mm * 1803 mm * 639 mm |
| Protection level: | IP65 |
Vehicle Auxiliary Power System-Video-DB2/3 | CR300BF/CR400BF
Vehicle Auxiliary Power System-Video-DB2/3 wiper device is CR300BF, CR400BF standard EMU supporting product produced for CRRC Tangshan Company and Changke Corporation. The wiper system is composed of the following components: a drive device, a scraper arm, a scraper frame, a scraper, a pump, a liquid level display switch, a junction box and a wiper switch. Among them, the core component of the wiper motor has been implemented domestically.
Tourist Train
The CRRC Zhuzhou 1435 series dual rail sightseeing car inherits the technological DNA of CRRC high-speed rail and is designed for in-depth sightseeing in scenic areas. The innovative double-decker structure features a panoramic window on the first floor for comfortable all-weather sightseeing and an open-top layout on the second floor for a 360° immersive natural experience.
Traction System
CHSR's CHSR™ CC750 air-cooled converter is a highly integrated traction and auxiliary "two-in-one" core equipment. It condenses key power conversion functions into a single compact enclosure, providing robust and stable power for intercity trains through standardized modular design, intelligent air cooling (IP65 protection), and mature and reliable components.
Bogie and Braking System
CRRC Braking Systems Co., Ltd.'s disc brake calipers use hydraulic or pneumatic-hydraulic conversion drive technology.They integrate automatic gap adjustment, modular caliper body, and three-point floating suspension design to ensure precise contact between brake pads and discs.
Track Body Components
RailMac provides railway solutions, focusing on one-stop Lince/Huanji wiper services (R&D, production, maintenance) plus rail air conditioning. It offers diverse wipers (DC110V/74V/24V, pneumatic) and developed China’s first IP-owned CRH3 EMU wiper, with products batch-loaded in CRH380/CR400BF/CR300BF.
Maintenance Equipment
RunWell is a high-tech enterprise specializing in the fields of rail transit and military industry. Its car lift machine products integrate German drive technology (such as the Demag three-in-one modular system) with intelligent control, supporting heavy-duty conditions of over 150 tons.
Railway Components
CRRC specializes in innovative environmental protection sanitation systems. Products like vacuum water - saving toilet modules and waterless ecological toilets, made in an orderly factory, are applied in railways, public facilities, and outdoor scenarios.
RailMac
Partnering with global leaders, RailMac offers superior railway equipment and solutions at competitive prices. It hit milestones like Thailand’s 2017 first local train, pioneered SEA new energy trains, and joined Russia’s high-speed rail project, boosting its railway industry presence.
RailMac Train Battery Series
This is the list of all series of RailMacTrain Battery.
Click here to find train battery by type
RailMac Metro Engineering Vehicle Power System
Battery Pack Rated Voltage: 789.6 V
Voltage Range: 652 ~ 900 V
Rated Capacity: 157.9 kWh/box
Maximum Output Power: 200 kW/box
Cooling Method: Natural heat dissipation
RailMac Light Rail Transit Power System
Battery Pack Rated Voltage: 423 V
Voltage Range: 360 ~ 477 V
Rated Capacity: 42.3 kWh/box
Continuous Output Power: 125 kW/box
Cooling Method: Natural heat dissipation
RailMac Vehicle Emergency Self-Traction Power System
Battery Pack Rated Voltage: 103.5 V
Voltage Range: 77 ~ 124 V
Rated Capacity: 32.6 kWh / Box
Continuous Output Power: 160 kW / Box
Cooling Method: Natural heat dissipation
RailMac Vehicle Auxiliary Power System
Battery Pack Rated Voltage: 103.5 V
Voltage Range: 77 ~ 124 V
Rated Capacity: 32.6 kWh / Box
Continuous Output Power: 160 kW / Box
Cooling Method: Natural heat dissipation







