Datasheet
CP10.121
CP-Series
12V, 16A, SINGLE PHASE INPUT
24.10. OPERATION ON TWO PHASES
240V
+10%
max.
L2
L1
L3
L
N
PE
Power Supply
AC
DC
The power supply can also be used on two-phases of a three-phase-
system. Such a phase-to-phase connection is allowed as long as the
supplying voltage is below 240V
+10%
.
24.11. USE IN A TIGHTLY SEALED ENCLOSURE
When the power supply is installed in a tightly sealed enclosure, the temperature inside the enclosure will be higher
than outside. In such situations, the inside temperature defines the ambient temperature for the power supply.
The following measurement results can be used as a reference to estimate the temperature rise inside the enclosure.
The power supply is placed in the middle of the box, no other heat producing items are inside the box
Input: 230Vac
Case A: Enclosure: Rittal Typ IP66 Box PK 9519 100, plastic, 180x180x165mm
Load: 12V, 12.8A; (=80%) load is placed outside the box
Temperature inside the box: 46.2°C (in the middle of the right side of the power supply with a distance of 1cm)
Temperature outside the box: 24.4°C
Temperature rise: 21.8K
Case B: Enclosure: Rittal Typ IP66 Box PK 9519 100, plastic, 180x180x165mm
Load: 12V, 16A; load is placed outside the box
Temperature inside the box: 53.4°C (in the middle of the right side of the power supply with a distance of 1cm)
Temperature outside the box: 26.0°C
Temperature rise: 27.4K
Case C: Enclosure: Rittal Typ IP66 Box PK 9516 100, plastic, 110x180x165mm
Load: 12V, 12.8A; (=80%) load is placed outside the box
Temperature inside the box: 47.4°C (in the middle of the right side of the power supply with a distance of 1cm)
Temperature outside the box: 24.6°C
Temperature rise: 22.8K
Case D: Enclosure: Rittal Typ IP66 Box PK 9519 100, plastic, 110x180x165mm
Load: 12V, 16A; load is placed outside the box
Temperature inside the box: 56.3°C (in the middle of the right side of the power supply with a distance of 1cm)
Temperature outside the box: 25.7°C
Temperature rise: 30.6K
Jun. 2015 / Rev. 1.0 DS-CP10.121-EN
All parameters are specified at 12V, 16A, 230Vac, 50Hz, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
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