Puls CT10.241, Manual, Page: 15 / 28

CT10.241, CT10.241-C1
CT-Series
3-P
HASE
, 24V, 10A, 240W
May 2018 / Rev. 2.0a DS-CT10.241-EN All values are typical figures specified at 3x 400Vac, 50Hz input voltage, symmetrical
phase voltages, 24V, 10A output load, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
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15/28
16. S
AFETY AND
P
ROTECTION
F
EATURES
Isolation resistance
Min. 500MOhm At delivered condition between input and output,
measured with 500Vdc
Min. 500MOhm At delivered condition between input and PE,
measured with 500Vdc
Min. 500MOhm At delivered condition between output and PE,
measured with 500Vdc
Min. 500MOhm At delivered condition between output and DC-OK
contacts, measured with 500Vdc
PE resistance Max. 0.1Ohm Resistance between PE terminal and the housing in
the area of the DIN-rail mounting bracket.
Output over-voltage protection Typ. 30.5Vdc
Max. 32Vdc
In case of an internal defect, a redundant circuit limits the maximum
output voltage. The output shuts down and automatically attempts to
restart.
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 shuts 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 e.g.
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 MOV (Metal
Oxide Varistor) For protection values see chapter 14 (EMC).
Internal input fuse Included Not user replaceable slow-blow high-braking
capacity fuse
Touch current (leakage current) Typ. 0.17mA At 3x 400Vac, 50Hz, TN-,TT-mains
Typ. 0.24mA At 3x 480Vac, 60Hz, TN-,TT-mains
Max. 0.22mA At 3x 440Vac, 60Hz, TN-,TT-mains
Max. 0.31mA At 3x 528Vac, 50Hz, TN-,TT-mains