722778 - regulated, 240 W

722778 - regulated, 240 W

Part No.
722778
Type
DRA240-48B
Article on stock
PU
1 piece
Power supply
regulated, 240 W

Description

Switchmode power supply, PFC, Single-phase
Input: wide-range input AC 88-264 V, DC 120-375V
Output: DC 48 V, adjustable

Technical Data

Input

Number of phases
1
Rated voltage UN
AC 115/230 V
Operation voltage range
AC 88–264 V / DC 120–375 V
Line frequency
47–63 Hz
Rated current IN
2.4 A @ AC 115 V / 12 A @ AC 230 V
Inrush current
30 A @ AC 115 V / 60 A @ AC 230 V
Internal fuse
T6, 3 A/AC 250 V
External fuse
Mini-circuit breaker: B 10 A, C 6 A
Power factor correction P.F.C.
0.7

Output

Rated voltage UN
DC48V
Rated current IN
5 A
Heat dissipation
32 A @ AC 230 V
Setting range Uout min./Uout max.
47-56 V
Accuracy
±1 %
Load regulation
Single ±1 %, Parallel ±5 %
Line regulation
±0.5 %
Rise time
1 s
Temperature coefficient
±0.03 % / °C
Ripple and Noise
100 mV
Hold up time
25 ms @ 115 V / 30 ms @ 230 V
Status indication DC ON LED green
≥37–43 V
Status indication DC LOW LED red
≤37–43 V
Parallel / redundant mode
max. 3 units at 90% load current, manual switch S/P
Efficiency
90 %
Over voltage protection
120–145 %
Rated over load protection
105–145 %
Short circuit
Current limit

General

Switching frequency
approx. 40 kHz
Insulation voltage input / output
DC 4.2 kV
Insulation voltage input / ground
DC 2.1 kV
Insulation voltage output / ground
DC 700 V
Insulation resistance at DC 500 V
100 M
Derating
Capacity: -2.5 %/°C starting at +61 °C
Operation temperature range
-40 °C … +71 °C (Derating)
Storage temperature range
-25°C…85°C
Relative air humidity
20 – 90 % RH, not condensing
Cooling
Air convection, 25 mm clearance all-round
Housing material
Metal
Mounting
  • DIN rail mountable TS35
  • (EN 60715)
Application height
4850 m
Installation position
vertical
Protection class
IP20
Protection class
I
Over voltage category
II
Degree of polution
2
Weight
1 kg/piece
Connection type
  • Screw terminal
  • 0.20 mm2 – 2.5 mm2
  • plug-in
  • max. 0.56 Nm
Dimensions (w × h × d)
83×126×116 mm
Certifications
cULus (E249179)
Standards
  • UL 60950-1
  • EN 60950-1
  • EN 61000-6-3
  • EN 55022 Class B
  • EN 61000-3-2
  • EN 61000-3-3
  • EN 61000-6-2
  • EN 55024 Class I
  • Division 2, Groups A, B, C, D
MTBF
437000 h
PU
1 piece
Dimensions
Short circuit characteristics

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