Data Sheet

QT20.241, QT20.241-C1
Q-Series
24V, 20A, THREE PHASE INPUT
Apr. 2017 / Rev. 2.1 DS-QT20.241-EN
13. FRONT SIDE AND USER ELEMENTS
Fig. 13-1 Front side
A Input Terminals (Quick-connect spring-clamp terminals)
L1, L2, L3 Line input
...PE (Protective Earth) input
B
Output Terminals (Quick-connect spring-clamp terminals, two pins
per pole)
+ Positive output
– Negative (return) output
C
Output Voltage Potentiometer
Multi turn potentiometer;
Open the flap to set the output voltage.
Factory set: 24.1V at full output current
D
DC-OK LED (green)
On, when the voltage on the output terminals is >90% of the
adjusted output voltage.
E
Overload LED (red)
- On, when the voltage on the output terminals is <90% of the
adjusted output voltage, or in case of a short circuit in the output.
- On, when the unit has switched off due to over-temperature.
- Input voltage is always required
F
DC-OK Relay Contact (Quick-connect spring-clamp terminals)
The DC-OK relay contact is synchronized with the DC-OK LED.
See chapter 8 for details.
Indicators, LEDs:
Overload LED DC-OK LED DC-OK Contact
Normal mode OFF ON Closed
During BonusPower
®
OFF ON Closed
Overload (Vout < 90%) ON OFF Open
Output short circuit ON OFF Open
Temperature Shut-down ON OFF Open
No input power OFF OFF Open
12/27
All parameters are typical values specified at 24V, 20A, 3x 400Vac, 50Hz, symmetrical mains voltages, 25°C ambient and after
a 5 minutes run-in time unless otherwise noted.
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