ABC400 datasheet(3/11 Pages) BEL

3 / 11 page

ABC400 Series

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General Condition:

TA = -10… 50 °C unless otherwise noted. Active fan air cooling required: 200 LFM (1 m/s)

PARAMETER

CONDITIONS / DESCRIPTION

MIN

NOM

MAX

UNIT

Vi nom

Nominal input voltage

100

240

VAC

Input voltage ranges

Normal operating (

Vi min to Vi max)

264

VAC

Ii max

Max input current

6.5

Arms

Ii p

Inrush current limitation

Vi nom = 115 VAC, T = 25°C (see Figure 2)

Vi nom = 230 VAC, T = 25°C (see Figure 3)

Input frequency

50/60

Power factor

Vi nom = 264 VAC, > 0.5 Io nom

0.9

W/VA

Vi on

Turn-on input voltage1

Ramping up

VAC

Vi off

Turn-off input voltage1

Ramping down

VAC

Efficiency

Vi nom = 230 VAC, 0.5

∙Io nom, Vo nom, TA = 25 °C

Vi nom = 230 VAC, 1.0

∙Io nom, Vo nom, TA = 25 °C

Thold

Hold-up Time

After last AC zero point,

Vo within regulation,

Vi = 115 VAC, Po nom

INPUT FUSE

A slow-blow 8A input fuses (5 × 20 mm) in series with live line inside the power supply protects against severe defects. The

fuse and a VDR form together with the input filter an effective protection against high input transients.

INRUSH CURRENT

The AC-DC power supply exhibits an X-capacitance of only 1.47

μF, resulting in a low and short peak current, when the

supply is connected to the mains. The internal bulk capacitor will be charged through an power resistor which will limit the

inrush current (see

Figure 2 and 3).

Figure 2: Inrush current, Vin = 115Vac, 90° CH2: Vin (250V/div), CH3: Iin (10A/div)

1 The power supply is provided with a minimum hysteresis of 8 V during turn-on and turn-off within the ranges.

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