PIC480.241C Datasheet, PDF (21/21 Pages) PULS GmbH – 24V, 20A, SINGLE PHASE INPUT

PIANO-Series
PRELIMINARY
PIC480.241C
24V, 20A, SINGLE PHASE INPUT
23.9. OPERATION ON TWO PHASES
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%.
L1
L3
L2
Power Supply
AC
internal
L ^fuse
Fuse _N
PE
DC
23.10.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.
Enclosure:
Input:
Rittal Type IP66 Box PK 9519 100, plastic, 180x180x165mm
230Vac
Load:
Temperature inside the box:
Temperature outside the box:
Temperature rise:
24V, 16A; (=80%) load is placed outside the box
51.5°C (in the middle of the right side of the power supply with a distance of 1cm)
25.5°C
26.0K
Jun. 2016 / Rev. 0.2 DS-PIC480.241C-EN
All parameters are specified at 24V, 20A, 230Vac, 50Hz, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
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