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DC Power - Rectifiers


300W High Efficiency Rectifier
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  • Up to 95% efficiency for increased Op-Ex savings and reduced carbon footprint
  • Designed as a replacement module for legacy CAR0548TN 
  • Wide AC input range for worldwide installation requirements
  • Dual front and back DC ouputs allow maximum flexibility
  • Wide temperature operation for installation in harsh environments
  • Active load sharing on rectifier level for improved reliability


The class-leading efficiency of our newest rectifier helps operators to reduce their energy bills but it also enables to reduce the thermal dissipation in cabinets which are generally required to be small. The rectifier delivers 300W to supply power to applications such as the μTCA.
The rectifier offers two outputs: one at the rear and one at the front. This enables users to easily power a single load from the front without the provision of an additional DC distribution, allowing to align the investments with the actual needs. To benefit from the load sharing and redundancy functions, the system can be upgraded by connecting the rear connector of the rectifier to a common DC bus.
The rectifiers have been designed and tested to operate in non-controlled environment and offer full power up to 70°C. The rectifiers are protected against input under-voltage and support up to 300VAC without damage. Output overvoltage and overload protections, smart output power limitation, thermal shutdown, and of course hot swap and redundancy complete the numerous protections. Combined with a careful selection of components and an optimized thermal management, the rectifier secures the high availability of your remote street equipment.
The rectifier can be monitored and controlled through analogue signals. It is also equipped with a CAN signal bus on the front. A LED ont the front plate immediately signals the proper working of the unit, failures or degraded mode, resulting in a very simple and quick maintainance.



  • Input Voltage:
    • Standard: 100 to 240Vac (+/- 10%)
    • Maximum: 300Vac (without damages)
  • Input Frequency: 47 to 63Hz
  • Power factor: 0.99%
  • Input Current
    • 1.40A @ 230Vac
    • 3A @ 110Vac
  • Efficiency: 94.5% typical
  • Output voltage: 43 to 58Vdc
  • Output power: 300W
  • Output current: 5.6A @ -54Vdc
  • Load regulation: ±0.5%
  • Line regulation: ±0.2%
  • Wide band noise: 10mVrms
  • Psophometric noise: 2mVrms


  • Indicators: 
    • LED off: no power available
    • Green LED: no failure
    • Orange LED: stand by (remote off)
    • Red LED: Low DC voltage (<37Vdc)
    • Blinking red LED: AC failure, thermal failure or short circuit
  • Protections: 
    • Mains out of range (input fuse)
    • Output overvoltage
    • Output overload
    • Short circuit current
    • Smart power derating
    • Thermal shutdown
    • Hot swap


  • Dimensions: 
    • mm: 41H (1U) x 86W x 259D
    • inches: 1.6H x 3.3W x10.2D
  • Weight: TBD


  • Temperature: 
    • Standard: -20 to 70°C (-4 to 158°F)
    • Extended (degraded mode): -40 to 70°C (-40 to 158°F)
    • Storage: -40 to 85°C (-40 to 185°F)
  • Humidity: 
    • Operating: 20 to 80% RH non-condensing
    • Storage: 10 to 95% RH non-condensing
  • Elevation: Up to 3000m (9842ft)
  • Cooling: Fan cooled (front to rear)


  • Safety: 
    • CE marked
    • EN60950
  • Environment: 
    • RoHS compliant
    • IEC 60068-2-27
    • ETSI EN 300 019-1-3 class 3.4
  • EMC: ETSI EN 300386 (See specifications sheet for more details)

Standard Part Numbers

9411 010 35031 : ECOR0348TN-2A - Rect 300W -48V

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