DC Power Systems

Enetek Power ETR+948 Rectifier Module

The Enetek Power ETR+948 Rectifier Module is a fully digital-controlled unit tailored for demanding power requirements in telecommunications, broadband networks, and data centres. Combining high efficiency, compact design, and robust scalability, the ETR+948 ensures uninterrupted power delivery in mission-critical environments.

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Enetek Power ETR+948 Rectifier Module

Features

  • Cutting-Edge Digital Control
  • Modular Scalable and Hot Swappable Design
  • High Power Density for Space Optimisation
  • Impressive Energy Efficiency @ up to 95%
  • Unobstructed Front-to-Back Airflow
  • Outstanding EMC Performance
Specifications
CAPACITY
Capacity 900W
AC INPUT
Voltage Range 90Vac to 290Vac (Nominal @ 176Vac to 275Vac)
Frequency 45Hz to 66Hz
Maximum Input Current Max 5.2Arms @ 185Vac (full load)
Power Factor >0.99 @ rated input and 50% load
Input Protection Varistors for transient protection, Mains Fuse for both input lines
Shutdown @ > 305Vac with hysteresis
DC OUTPUT
Output Voltage 53.5Vdc (adjustable 43Vdc to 58Vdc)
Output Power (Maximum) 900W @ nominal input
Output Current (Maximum) 18.75A @ 48Vdc with nominal input
Peak Efficiency up to 95%
Current Sharing <= 5% of max current from 50% to 100% load
Static Voltage Regulation 0.6% from 10% to 100% load
Dynamic Voltage Regulation 5% for 10%-90% or 90%-10% load variation, regulation time <50ms
Hold Up Time >20ms; output voltage >43.5Vdc @ 900W
Ripple and Noise <150mVp-p, 20MHz bandwidth
<2mVrms psophometric
Output Protection Overvoltage shutdown; hot plug-in, inrush current limiting; high temperature protection; short circuit proof
CONTROL and MONITORING
Rectifier Alarm and Signaling High & low mains shutdown, high temperature shutdown, rectifier failure, overvoltage shutdown, fan failure, communication failure
Visual Indications Alarms - RED
  Warning - YELLOW
  Normal operation - GREEN
OTHER SPECIFICATIONS
Isolation Input to Output: 3.0kVac, Input to Earth: 1.5kVac, Output to Earth: 0.5kVdc
Cooling Fan-cooled, front to back airflow
Fan Speed Regulated by temperature and output power
MTBF > 250,000 hrs @ 25C
ENVIRONMENTAL
Operating Temperature Range -40C to +65C (de-rates above 45C)
Storage Temperature Range -40C to +70C
Relative Humidity Operating: 5% to 95% RH non-condensing
  Storage: 0% to 99% RH non-condensing
Acoustic Noise  
PHYSICAL
Dimensions WxDxH (mm) 82 x 191 x 41 (1U)
Net Weight (kg) 0.95
DESIGN STANDARDS
Electrical Safety EN/IEC62368-1
EMC EN55022/CISPR22 Class A, EN61000-6-1/-2/-3/-4
AC Harmonics EN61000-3-2
AC Flicker and Fluctations EN61000-3-3
Others CE, RoHS compliant
Downloads
ETR_948.pdf
CAPACITY
Capacity 900W
AC INPUT
Voltage Range 90Vac to 290Vac (Nominal @ 176Vac to 275Vac)
Frequency 45Hz to 66Hz
Maximum Input Current Max 5.2Arms @ 185Vac (full load)
Power Factor >0.99 @ rated input and 50% load
Input Protection Varistors for transient protection, Mains Fuse for both input lines
Shutdown @ > 305Vac with hysteresis
DC OUTPUT
Output Voltage 53.5Vdc (adjustable 43Vdc to 58Vdc)
Output Power (Maximum) 900W @ nominal input
Output Current (Maximum) 18.75A @ 48Vdc with nominal input
Peak Efficiency up to 95%
Current Sharing <= 5% of max current from 50% to 100% load
Static Voltage Regulation 0.6% from 10% to 100% load
Dynamic Voltage Regulation 5% for 10%-90% or 90%-10% load variation, regulation time <50ms
Hold Up Time >20ms; output voltage >43.5Vdc @ 900W
Ripple and Noise <150mVp-p, 20MHz bandwidth
<2mVrms psophometric
Output Protection Overvoltage shutdown; hot plug-in, inrush current limiting; high temperature protection; short circuit proof
CONTROL and MONITORING
Rectifier Alarm and Signaling High & low mains shutdown, high temperature shutdown, rectifier failure, overvoltage shutdown, fan failure, communication failure
Visual Indications Alarms - RED
  Warning - YELLOW
  Normal operation - GREEN
OTHER SPECIFICATIONS
Isolation Input to Output: 3.0kVac, Input to Earth: 1.5kVac, Output to Earth: 0.5kVdc
Cooling Fan-cooled, front to back airflow
Fan Speed Regulated by temperature and output power
MTBF > 250,000 hrs @ 25C
ENVIRONMENTAL
Operating Temperature Range -40C to +65C (de-rates above 45C)
Storage Temperature Range -40C to +70C
Relative Humidity Operating: 5% to 95% RH non-condensing
  Storage: 0% to 99% RH non-condensing
Acoustic Noise  
PHYSICAL
Dimensions WxDxH (mm) 82 x 191 x 41 (1U)
Net Weight (kg) 0.95
DESIGN STANDARDS
Electrical Safety EN/IEC62368-1
EMC EN55022/CISPR22 Class A, EN61000-6-1/-2/-3/-4
AC Harmonics EN61000-3-2
AC Flicker and Fluctations EN61000-3-3
Others CE, RoHS compliant
ETR_948.pdf

Find the Right Model

Model Number Input Voltage (Vac) Output Voltage (Vdc) Max. Output Power (W / kW)
product variant ETR+948 90Vac to 290Vac (Nominal @ 176Vac to 275Vac) 53.5Vdc: 43Vdc to 58Vdc 900W

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