ABC450 Series

3

Asia-Pacific

+86 755 298 85888

Europe, Middle East

+353 61 225 977

North America

+1 408 785 5200

© 2021 Bel Power Solutions & Protection

BCD.00326_AH

PARAMETER

DESCRIPTION / CONDITION

SPECIFICATIONS

Output Voltage

5 to 48 V

Output Power

3, 4

475 W for 24 V, 30 V models &

500 W for 48 V model only for 5 seconds max.

155 to 450 W

Standby Output

5

5 VDC

Fan Output

6

12 V

Efficiency (Full Load)

120 VAC

24, 30 & 48 V models

12 & 15 V models

5 V model

88%

86%

83% typical

230 VAC

24, 30 & 48 V models

90%

Hold Up Time

120 / 230 VAC

10 ms

Power Factor

120 VAC

230 VAC

0.98

0.95

Line Regulation

± 0.5%

Load Regulation

± 3%

Transient Response

<10%, 50% to 100% load change, 50 Hz, 50% duty

cycle, 0.1 A/µs

Recovery time < 5 ms

Rise Time

< 100 ms

Set Point Tolerance

± 1%

Output Voltage Adjustment

V1

± 3 %

Over Voltage Protection

Latch Type

>114%

Over Current Protection

Hiccup type

120 to 150%

Short Circuit Protection

Short term, auto recovery

Over Temperature Protection

Automatic recovery

130°C primary heat sink

Current Share

Up to 2 supplies connected in parallel (optional)

Cooling

Convection

5 V model

12 & 15 V models

24, 30 & 48 V models

155 W

250 W

300 W

With 420 LFM

5 V model

12 & 15 V models

24, 30 & 48 V models

275 W

450 W

450 W

3

Combined output power of main output, fan supply and standby supply shall not exceed max. power rating.

4

Derate output power linearly to 80% from 90 VAC to 80 VAC input.

5

Standby output voltage 5 V / 1.5 A (convection) / 2 A (420 LFM) with tolerance including set point accuracy, line & load regulation is

+/-10%. Ripple and noise is less than 5%.

6

Fan supply output voltage 12V / 500 mA with tolerance including set point accuracy, line and load regulation is +/-30% and needs min.

1% load on main output to be within regulation band. Ripple and noise is less than 10%.

PARAMETER

DESCRIPTION / CONDITION

Power Good Signal

TTL signal goes high after main output is within regulation band, delay is 0.1 to 0.3 s

Remote Sense

Compensates for 200 mV drop

Remote on/off

To turn on PSU short remote pin to ground