Technical data, mounting, wiring
PS3031-4820-0000
19
Version: 1.0
3.9
Efficiency and losses
Efficiency for 3-phase operation:
3AC 400 V
3AC 480 V
Efficiency
Typ.
95.4%
95.2%
At 48 V, 20 A
Average
efficiency
1)
Typ.
94.7%
94.6%
25% at 5 A, 25% at 10 A,
25% at 15 A. 25% at 20 A
Losses
Typ.
1.5 W
1.5 W
If switch-off is activated
Typ.
9.5 W
9.8 W
At 48 V, 0 A, (no load)
Typ.
24.1 W
25.0 W
At 48 V, 10 A, (half load)
Typ.
46.3 W
48.4 W
At 48 V, 20 A, (full load)
1)
The average efficiency is based on assumptions for a typical application with a power supply load of
25% of the nominal load for 25% of the time,
50% of the nominal load for 25% of the time,
75% of the nominal load for 25% of the time and
100% of the nominal load during the remaining time.
Fig. 12: Efficiency over output current; losses over output current
Fig. 13: Efficiency over input voltage; losses over input voltage
