Rockwell Automation Publication 1606-RM109A-EN-P - August 2020
9
Power Supply —12V, 10 A, 120 W, Single Phase
Input Inrush Current
An active inrush limitation circuit (NTCs, which are bypassed by a relay
contact) limits the input inrush current after turn-on of the input voltage.
The charging current into EMI suppression capacitors is disregarded in the
first microseconds after switch-on.
100V AC
120V AC
230V AC
Inrush current
Max
8 A
peak
7 A
peak
7A
peak
At 40 °C (104 °F), cold start
Typ
5 A
peak
4 A
peak
4A
peak
At 25 °C (77 °F), cold start
Typ
5 A
peak
5 A
peak
6A
peak
At 40 °C (104 °F), cold start
Inrush energy
Max
0.4 A²s
0.5 A²s
1A²s
At 40 °C (104 °F), cold start
Figure 6 - Typical Turn-on Behavior at Nominal Load, 120V AC Input
and 25 °C (77 °F) Ambient
Figure 7 - Typical Turn-on Behavior at Nominal Load, 230V AC Input
and 25 °C (77 °F) Ambient
50ms/DIV
Output voltage
Input
voltage
200V/DIV
Input
current
2A/DIV
4A
50ms/DIV
Input
current
2A/DIV
4A
Input
voltage
200V/DIV
Output voltage
