Description

280W Railway DC-DC Converter


DDC300R-110-**-CMC

High-Power & Reliable DC-DC Power Conversion Solution for Railway,
Metro Rail, Transportation, EV & Telecom Applications

The PROXIMWORLD DDC300R Railway Series DC-DC Converter
is a high-power, high-density power conversion solution developed for
demanding railway and transportation applications. Its rugged construction,
wide input range and compact footprint make it suitable for installations
where reliable and efficient DC power conversion is essential.

With a rated power of 280W and up to
300W peak power, the converter supports multiple output
voltage configurations including
+5V, +12V, +19V, +24V and +48V.
It is designed for railway electronics, railway automation, metro rail,
transportation and other high-demand applications.

Technical Specifications

INPUT VOLTAGE

DC 110V

Input Range: 40–160VDC
OUTPUT VOLTAGE

+5V / +12V / +19V

+24V / +48V configurations
TOTAL POWER

280W

Peak Power: 300W
ISOLATION

DC 1500V

Between input and output
OPERATING MODE

Continuous Operation

Designed for continuous-duty applications
MTBF

100K Hours Minimum

MIL-HDBK-217F @ 25°C
EFFICIENCY

>91%

Typical during lab testing
OPERATING TEMPERATURE

-30°C to +71°C

Wide operating temperature range
PRODUCT SIZE

200 × 100 × 40 mm

Rugged mechanical construction
APPROX. WEIGHT

600 g

Approximate unit weight

Railway & Transportation Applications

The DDC300R series is designed for high-end transportation applications
where high power output, stable operation and rugged construction are
essential.

Railway Systems

Railway Automation

Metro Rail

Transportation

EV Applications

Telecom

Protection & Reliability

✓ DC High / Low Protection
Built-in input voltage protection
✓ Short Circuit Protection
Protection against short-circuit conditions
✓ Overload Protection
Built-in overload protection
✓ IP65 Sealed Converter
Enhanced environmental protection

Railway Standards & Construction

The DDC300R series is designed for transportation applications and complies with EN61000, IEC62368 and EN50155 requirements. The design supports demanding railway environments
and transportation vibration conditions.

The converter features a sealed IP65 enclosure with an aluminium mounting plate for robust installation. High-grade 9.50 mm pitch terminals provide secure input and output connections.

Cooling & Installation

The converter uses convection cooling under normal operating conditions. For 24×7 applications or installations with higher thermal loads, fan cooling may be required depending on the application and installation environment.

Key Features


280W Rated Power

Up to 300W peak power for high-demand applications.

Multi-Output

Supports +5V, +12V, +19V, +24V and +48V configurations.

High Efficiency

Typical efficiency greater than 91%.

Rugged Construction

Aluminium mounting plate for demanding railway environments.

Customization Available

Specifications can be changed, customized or configured according to specific application requirements and buyer requests. Contact :PROXIMWORLD for application-specific technical support and configuration.

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