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Cordex™ 12V 250W

Cordex™ 12V 250W

Modular Switched Mode Rectifier

Cordex™ 12V 250W
Data sheet
Source of supply

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.

The Cordex 250W rectifier is available in a 19" integrated shelf configuration, complete with distribution, controller, and capacity for four rectifiers. With 1kW total output per shelf, it is an ideal solution for applications requiring 12VDC power.

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

  • Available in 18.5A @ 12VDC
  • Universal 120/208 to 240VAC input
  • Power factor correction
  • Convection cooled
  • Hot swappable, 2RU ultra compact design

Variants Technical data

Rectifier Module(s)


Input voltage: 90 to 320VAC
Power output: 250W
Input frequency: 45 to 70Hz
Power factor:  >89%
THD: <5%
Efficiency: >90%
Output voltage: 10,5 to 14,5VDC
Output current: 18,5A @ 13,5VDC (20A max.)
Load regulation: <±0,5% (static)
Line regulation: <±0,1% (static)
Transient Repsonse: ±2%for 50 to 100% load step,2ms recovery time
Wide band noise <30mVrms
Psophometric noise: <1mV

mm: 88,4H x 71,6W x 242D
inches: 3,4H x 2,8W x 9,5D
Weight: 1,4kg (3lb)

AC mains OK ---green LED
Module alarm ---red LED
Cooling: Natural convection
(via CXCI Controller)

Float and equalize voltage
Battery test voltage
High and low voltage alarms
High voltage shutdown
Surrent limit
Start delay time
Slope %

Current limit/short circuit
Input/output high voltage shutdown
Output power limiting
Thermal foldback/shutdown
Input transient
AC low line foldback/shutdown
AC high voltage shutdown
Temperature Operation: -40 to 50°C (-40 to 122°F) (power derated up to 70°C/158°F)
Storage: -40 to 85°C (-40 to 185°F)
Humidity 0 to 95% RH non-condensing
Elevation: -500 to 3000m (-1640 to 9804ft)
Heat dissipation: <94 BTU per hour

19" shelf
mm: 88.9H x 444W x 279.4D
inches: 3.5H x 17.5W x 11D
Weight: 8.5kg (18.7lb)
Mounting: Fits 19" rack flush mount
Note: Consult factory for other 12", 19" and 23" shef configuratins

Input: Dual feed terminal blocks 4 to 6mm2 (12 to 10AWG)
Output: 1/4" studs on 5/8" centers
Chassis ground: 1/4" stud
CAN communication: RJ 12 offset


The Cordex 250W is designed to meet the following:


CSA C22.2 No 60950-1-03
UL 60950-1 1st Edition
CE marked
IEC/EN 60950-1
EMC: ETSI 300 386

CSA C22.2 No 60950-1-03
UL 60950-1 1st Edition
CE marked
IEC/EN 60950-1

CFR47 (FCC) Part 15 Class B
ICES-03 Class B
EN55022 (CISPR 22) Class B
C-tick (Australia)
EN 61000-3-2
EN 61000-3-3