Inrush current integral (I2t)
Nominal input voltage range
100 V AC ... 240 V AC
120 V DC ... 300 V DC (UL 508: ≤ 250 V DC)
Input voltage range
85 V AC ... 264 V AC
90 V DC ... 300 V DC (UL 508: ≤ 250 V DC)
Setting range of the output voltage (USet)
30 V DC ... 56 V DC (> 48 V DC, constant capacity restricted)
Nominal output current (IN)
20 A (-25 °C ... 60 °C, U<sub>OUT</sub> = 48 V DC)
Input voltage range DC
90 V DC ... 300 V DC (UL 508: ≤ 250 V DC)
POWER BOOST (IBoost)
22.5 A (-25 °C ... 40 °C permanent, U<sub>OUT</sub> = 48 V DC )
Selective Fuse Breaking (ISFB)
Voltage type of supply voltage
Inrush current integral (I<sup>2</sup>t)
Mains buffering time
typ. 20 ms (120 V AC)
typ. 22 ms (230 V AC)
Current consumption
4.5 A (230 V AC)
4.6 A (220 V DC)
8.7 A (120 V AC)
9.4 A (110 V DC)
Nominal power consumption
Protective circuit
Transient surge protection; Varistor
Input fuse
20 A (fast blow, internal)
Permissible DC backup fuse
DC: Connect a suitable fuse upstream
Recommended breaker for input protection
6 A ... 16 A (AC: Characteristics B, C, D, K)
Efficiency
> 93 % (for 230 V AC and nominal values)
Setting range of the output voltage (U<sub>Set</sub>)
30 V DC ... 56 V DC (> 48 V DC, constant capacity restricted)
Nominal output current (I<sub>N</sub>)
20 A (-25 °C ... 60 °C, U<sub>OUT</sub> = 48 V DC)
POWER BOOST (I<sub>Boost</sub>)
22.5 A (-25 °C ... 40 °C permanent, U<sub>OUT</sub> = 48 V DC )
Selective Fuse Breaking (I<sub>SFB</sub>)
Magnetic circuit breaker tripping
B2 / B4 / B6 / B10 / C2 / C4 / C6
Derating
60 °C ... 70 °C (2.5 %/K)
Feedback voltage resistance
Protection against overvoltage at the output (OVP)
Active current limitation
Approx. I<sub>BOOST</sub> = 22.5 A (for short-circuit)
Control deviation
< 0.1 % (change in input voltage ±10 %)
< 1 % (change in load, static 10 % ... 90 %)
< 3 % (change in load, dynamic 10 % ... 90 %)
Residual ripple
< 50 mV<sub>PP</sub> (with nominal values)
Maximum no-load power dissipation
Power loss nominal load max.
Rise time
< 0.05 s (U<sub>OUT</sub> (10 % ... 90 %))
Connection in parallel
yes, for redundancy and increased capacity
Output description
I<sub>OUT</sub> < I<sub>N</sub>: High signal
Relay contact, U<sub>OUT</sub> > 0.9 x U<sub>N</sub>: Contact closed
U<sub>OUT</sub> > 0.9 x U<sub>N</sub>: High signal
Maximum inrush current
≤ 20 mA (short-circuit-proof)
0.5 A
1 A
Maximum switching voltage