Trade Discount 25%
DC-DC Converter 850W 55-90V Input 24V 35A Output CCI
CCI DC-DC converter features 850W output, 55-90V DC input, and regulated 24V 35A output. Ideal for vehicle, rail and battery-fed equipment.
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Alternatively Known As: CCI Rail DC-DC Power Supply, 72V to 24V DC Converter, Locomotive DC Power Converter
Technical Specifications
- Model: MR850E-24V-35A
- Rated Power: 850W
- Nominal Input Voltage: 72V DC
- Input Voltage Range: 55–90V DC
- Minimum Start Voltage: Over 60V DC
- Output Voltage: 24V DC
- Output Current: 35A
- Output Regulation: Less than 2% for 60–90V input at 35A load
- Low-Input Regulation: 22–24V at 55–60V input and 35A load
- Main Output Protection: Electronic 35A fuse with automatic restart
- Input Protection: Two separate 15A fuses for positive and negative inputs
- Auxiliary Outputs: Four separately fused auxiliary outputs
- Efficiency: Typically 95% at full load
- Input-to-Output Isolation: 500V minimum tested
- Input-to-Ground Isolation: 500V minimum tested
- Output-to-Ground Isolation: 10MΩ minimum tested
- Ripple and Noise: Less than 200mV RMS, typically less than 150mV at 35A
- Operating Temperature: 0°C to 60°C
- Cooling: Fanless design suitable for restricted airflow installations
- Dimensions (H x L x W): 64mm x 278mm x 164.5mm
- Weight: 2.5 kg
Key Features
- Regulated 24V DC output for sensitive vehicle and rail equipment
- Wide 55–90V DC input range for nominal 72V battery and locomotive systems
- Fully isolated input and output design
- High 850W output capacity at 35A
- Electronic output fuse with automatic overload recovery
- Four separately fused auxiliary outputs
- Staggered auxiliary output delays of 0.5 seconds and 1 second to manage starting surges
- High-efficiency operation reduces heat generation
- Designed for vehicle, rail and battery-fed equipment
Professional Installation Requirements
- Installation should be completed by a suitably qualified electrical or rail technician. Use correctly rated DC cabling, fusing, isolation and protection, and follow the manufacturer's installation instructions and applicable railway or vehicle system requirements.
Applications
- Locomotive and rail vehicle electrical systems
- Vehicle control and instrumentation equipment
- Driver cabin computers, PLCs and system controls
- Battery-fed communications and monitoring equipment
- Windscreen wipers, washers and auxiliary vehicle equipment
- Industrial equipment supplied from 72V DC battery systems
Environmental Benefits
- Typical 95% full-load efficiency reduces conversion losses and operating heat
- Fanless construction can reduce maintenance requirements and avoid fan replacement waste
- Fully regulated output can support reliable operation and extend the service life of connected equipment
- Compact, robust construction may reduce replacement frequency in demanding vehicle and rail applications
Warranty Information
No product-specific warranty duration was located in the available CCI or Acculec Power documentation. Warranty claims are subject to the applicable CCI/Acculec Power warranty terms and Australian Consumer Law.
Available Now
Available through CCI and authorised Australian distributors, subject to quotation and current product availability.
