Hardware reference guide
System Specifications 
56
35013379 02 October 2007
AC/DC Power 
Supplies
The following table shows the Quantum AC/DC power supplies.
I/O Modules - 
Table 1
The following table shows the Quantum function I/O modules with operating 
voltages less than 24 Vac or Vdc.
I/O Modules - 
Table 2
The following table shows the Quantum I/O modules with operating voltages 
between 24 and 48 Vac or Vdc.
I/O Modules - 
Table 3
The following table shows the Quantum I/O modules with operating voltages greater 
than 48 Vac or Vdc.
Fast Transients (IEC 1000-4-4) 2 kV common mode
Damped Oscillatory Transients 2 kV common mode
1 kV differential mode
Surge Withstand Capability (Transients) 
(IEC 1000-4-5) 
2 kV common mode
1 kV differential mode
Non Periodic Peak Input Voltage 2.3 times nominal for 1.3 ms (Nominal = DC 
average or AC peak)
Fast Transients (IEC 1000-4-4)  0.5 kV common mode
Damped Oscillatory Transients 1 kV common mode
0.5 kV differential mode
Surge Withstand Capability (Transients) (IEC 
1000-4-5) 
1 kV common mode
0.5 kV differential mode
Fast Transients (IEC 1000-4-4)  1 kV
Damped Oscillatory Transients 2 kV common mode
1 kV differential mode
Surge Withstand Capability (Transients) (IEC 1000-
4-5)
1 kV common mode
0.5 kV differential mode
Fast Transients (IEC 1000-4-4)  2 kV
Damped Oscillatory Transients 2 kV common mode
1 kV differential mode
Surge Withstand Capability (Transients) (IEC 1000-
4-5) 
2 kV common mode
1 kV differential mode 
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com










