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The Alpha Group
The Alpha Group represents an alliance of independent companies who share a common philosophy - to create world class powering solutions.

Collectively, Alpha Group members develop and manufacture AC and DC power conversion protection, and standby products. Applications for these products include broadband, telecom, AC/UPS, commercial, industrial, and distributed generation,
for a worldwide customer base. In addition, our companies provide a range of installation and maintenance services.

Members of The Alpha Group include Alpha Technologies Inc., Alpha Energy, Alpha Industrial Power, Alpha Technologies Ltd. and Altair Advanced Industries Inc.
Cordex 4.4kW
Modular Switched Mode Rectifier
125V Part number: 010-589-20, 220V Part number : 010-588-20
  • Available in 35A @ 125VDC or 20A @ 220VDC
  • High power density, over 26kW per 23in shelf
  • Power limiting and wide range AC input
  • 92% efficiency and power factor correction
  • Hot swappable, 4RU ultra compact design

Cordex rectifiers bring advanced technology to the DC power industry. Innovative engineering combines the best in efficiency and reliability meeting the power requirements for a variety of system applications. This rectifier is specifically designed to recharge all types of stationary batteries for large utility, petrochemical, and industrial uses.

The fan cooled Cordex 4.4kW rectifier has extremely high density providing the most power in the least amount of space. A compact 4RU shelf accommodates six rectifiers per 23in shelf and five rectifiers per 19" shelf.

Local and remote setup, adjustment, and control is a simple single-step process with the Cordex CXC System Controller. By utilizing TCP/IP technology, complete configuration and monitoring of power equipment is possible through a Windows Internet Explorer browser.

Electrical
Input voltage: 
Nominal:208 to 240VAC
Operating:187 to 312VAC
Extended:187 to 90VAC (de-rated power)
Input frequency:45 to 70Hz
Power:4400W continuous/module
Power factor:>0.99 (50 to 100% load)
THD:<5%
Efficiency:>92%
Output voltage:125V module: 90 to 160VDC
220V module: 180 to 320VDC
Output current:125VDC module: 35A@ 125VDC (40A @ 110VDC max)
220VDC module: 20A @ 220VDC
Load regulation:<±0.5% (static)
Line regulation:<±0.1% (static)
Transient response:<±5% for 40 to 90% load step, 30ms recovery time
Wide band noise: 
220VDC module:<30mVrms
<300mVp-p
125VDC module:<90mVrms
<700mVp-p
Voice band:<32dBrnC
Insulation:2.5kVAC input-earth
3kVAC input-output
2kVAC output-earth
0.5kVAC signals-earth
Acoustic:<60dBa @ 1m (3ft)
Mechanical
Dimensions:mm: 160H x 87W x 300D
inches: 6.3H x 3.4W x 11.8D
Weight:4.65kg (10.57lb)
Environmental
Temperature: 
Standard:-40 to 50C (-40 to 130F)
Extended:-40 to 75C (-40 to 187F)
Storage:-40 to 85C (-40 to 185F)
Humidity:0 to 95% RH non-condensing
Elevation:-500 to 2800m (-1640 to 9186ft)
Heat dissipation:<1080BTU per hour
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