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Rockwell Automation Publication 1606-RM117A-EN-P - July 2020
17
Safety and Protection
Features
Dielectric Strength
The output voltage is floating and has no ohmic connection to the ground.
A double or reinforced insulation insulates the output to the input.
The manufacturer conducts type and routine tests. Field tests may be
conducted in the field using the appropriate test equipment, which applies the
voltage with a slow ramp (2 s up and 2 s down). Connect all phase-terminals
together and all output poles before conducting the test. When testing, set the
cutoff current settings to the value in the following table.
It is recommended that either the + pole or the – pole shall be connected to the
protective earth system. This helps to avoid situations in which a load starts
unexpectedly or cannot be switched off when unnoticed earth faults occur.
Figure 22 - Dielectric Strength
Attributes
Values
Notes
Isolation resistance
Min
500 MΩ
At delivered condition between input and output, measured
with 500V DC
Output overvoltage protection
Typ
15.5V DC
—
Max
16.0V DC
—
—
If there is an internal anomaly, a redundant circuit limits the maximum output voltage to
16V. The output shuts down. To attempt a restart, turn the input power off for at least 90 s.
Class of protection
—
II
According to IEC 61140
Degree of ingress protection
—
IP20
According to EN/IEC 60529
Over-temperature protection
—
Not included
—
Input transient protection
—
MOV
(Metal Oxide Varistor)
For protection values, see
Electromagnetic Compatibility on
.
Internal input fuse
—
Included
Non-user-replaceable, slow-blow, high-braking capacity fuse
Touch current (leakage current)
Typ
40 µA / 80 µA
At 100V AC, 50 Hz, TN-,TT-mains / IT-mains
Typ
60 µA / 120 µA
At 120V AC, 60 Hz, TN-,TT-mains / IT-mains
Typ
100 µA / 200 µA
At 230V AC, 50 Hz, TN-,TT-mains / IT-mains
Max
60 µA / 100 µA
At 110V AC, 50 Hz, TN-,TT-mains / IT-mains
Max
80 µA / 150 µA
At 132V AC, 60 Hz, TN-,TT-mains / IT-mains
Max
140 µA / 260 µA
At 264V AC, 50 Hz, TN-,TT-mains / IT-mains
Test or Setting
Time
A
Type test
60 s
3000V AC
Routine test
5 s
2500V AC
Field test
5 s
2000V AC
Cutoff current setting for field test
—
> 2 mA
A
N
L
Input
Output
-
+