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Rectifier Module – ETR+ Enetek ETR+948

Features
  • Cutting-Edge Fully Digital Control
  • Modular Scalable and Hot Swappable Design
  • High Power Density for Space Optimization
  • Impressive Energy Efficiency @ up to 95%
  • Unobstructed Front-to-Back Airflow
  • Outstanding EMC Performance
  • Wide Input Voltage Range
  • Wide Temperature Range for Versatile Applications
  • Compliant with Stringent Global Standards

Enetek ETR+948

Product Overview

The ETR 948 rectifier module is a fully digitally controlled solution designed to meet the demanding power requirements of various applications and industries. This optimized module offers modularity, cost-effectiveness, power density, and reliability, ensuring the overall availability of the system solution.

KEY HIGHLIGHTS

• Cutting-Edge Fully Digital Control: Experience reduced component count and enhanced reliability with the fully digital control feature, providing efficient and robust operation.

• Modular, Scalable, and Hot Swappable Design: Enjoy the flexibility of modular installations, allowing for seamless scalability and hot swappable modules, ensuring uninterrupted performance.

• High Power Density for Space Optimization: Maximize space efficiency with the high-power density design, reducing the required footprint and enabling efficient use of available space.

• Impressive Energy Efficiency @ up to 95%: Achieve significant energy savings and lower operating costs with the exceptional energy efficiency of up to 95%.

• Unobstructed Front-to-Back Airflow: Ensure optimal airflow and cooling with the front-to-back ventilation design, enabling unobstructed scalability and improved system performance.

• Outstanding EMC Performance: Benefit from lower interference and excellent susceptibility, ensuring superior system performance and reliability.

• Wide Input Voltage Range: Operate reliably in demanding grid conditions, thanks to the wide input voltage range that accommodates various power sources.

• Wide Temperature Range for Versatile Applications: Deploy the ETR 948 rectifier module in diverse climatic conditions, as it is designed to withstand and operate effectively across a wide temperature range.

• Compliant with Stringent Global Standards: Rest assured knowing that the ETR 948 rectifier module complies with stringent global standards, delivering top-notch quality, performance, and reliability in power solutions.

Specifications

MODEL Enetek ETR+ 948
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 @ 25°C
ENVIRONMENTAL
Operating Temperature Range -40°C to +65°C (de-rates above 45°C)
Storage Temperature Range -40°C to +70°C
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

* Due to continuous product development, specifications are subject to change without prior notice

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