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Rockwell Automation Publication 1606-RM109A-EN-P - August 2020
19
Power Supply —12V, 10 A, 120 W, Single Phase
Safety and Protection
Features
Attribute
Value
Notes
Isolation resistance
Min
500 MΩ
At delivered condition between input and output,
measured with 500V DC
Min
500 MΩ
At delivered condition between input and PE measured
with 500V DC
Min
500 MΩ
At delivered condition between output and PE, measured
with 500V DC
Min
500 MΩ
At delivered condition between output and DC OK contacts,
measured with 500V DC.
PE resistance
Max
0.1 Ω
Resistance between PE terminal and the housing in the
area of the DIN rail mounting bracket.
Output over-voltage protection
Typ
16.2V DC
—
Max
17V DC
—
In case of an internal defect, a redundant circuit limits the maximum output voltage. The output shuts down and
performs three restart attempts. If the failure continues, the output shuts down. Cycle input power to reset.
Class of protection
I
According to IEC 61140
A PE (Protective Earth) connection is required
Degree of protection
IP 20
According to EN/IEC 60529
Over-temperature protection
Included
Output shut-down with automatic restart. Temperature
sensors are installed on critical components inside the
unit and turn the unit off in safety critical situations,
which can happen for example, when ambient
temperature is too high, ventilation is obstructed or the
de-rating requirements are not followed. There is no
correlation between the operating temperature and turn-
off temperature since this is dependent on input voltage,
load and installation methods.
Input transient protection
Metal Oxide
Varistor (MOV)
For protection values, see
Internal input fuse
Included
Not user replaceable slow-blow high-braking capacity
fuse
Touch current (leakage current)
Typ
0.10 mA/0.27 mA
At 100V AC, 50 Hz, TN-,TT-mains/IT-mains
0.13 mA/0.38 mA
At 120V AC, 60 Hz, TN-,TT-mains/IT-mains
0.20 mA/0.60 mA At 230V AC, 50 Hz, TN-,TT-mains/IT-mains
Max
0.13 mA/0.35 mA
At 110V AC, 50 Hz, TN-,TT-mains/IT-mains
0.17 mA/0.51 mA
At 132V AC, 60 Hz, TN-,TT-mains/IT-mains
0.27 mA/0.81 mA
At 264V AC, 50 Hz, TN-,TT-mains/IT-mains