Hardware reference guide

Power Supplies
35013379 02 October 2007 91
Specifications The following table shows the specifications for the CPS12420 PS 115/230 VAC
power supply module.
Specifications
Input Requirements
Input Voltage 93 ... 132 Vac.
170 ... 264 Vac
Input Frequency 47 ... 63 Hz
Input Voltage Total Harmonic
Distortion
Less than 10% of the fundamental rms value
Input Current 1.2 A @ 115 Vac
0.7 A @ 230 Vac
Inrush Current ≤ 20 A @ 115 Vac @ 25° C first power up
≤ 25 A @ 230 Vac
VA Rating 160 VA @ 11 A
Input Power Interruption 1/2 cycle @ full load and minimum rated line voltage /
frequency. No less than 1 second between interruptions.
Fusing (external) 2.0 A slo-blo recommended (Part # 57-0089-000 or
equivalent)
Output to Bus
Voltage 5.1 Vdc
Maximum Current Standalone configuration: 11 A @ 60° C
Redundant configuration (two 140CPS12420): 10 A @
60° C (total load capacity)
Redundant configuration (one 140CPS12420 and one
140CPS22400): 8 A @ 60° C (total load capacity)
Redundant configuration (one 140CPS12420 and one
140CPS42400): 8 A @ 60° C (total load capacity)
Minimum Current None required
Protection Over Current, Over Voltage
General
Field Wiring Connector
(included)
7 point terminal strip (Part # 043506326)
Internal Power Dissipation Less than 12 W at full load
Operating Mode Standalone / Redundant
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com