722805 - regulated, 480 W, 3-phase

722805 - regulated, 480 W, 3-phase

Part No.
722805
Type
WRA480-24
Article on stock
PU
1 piece
Power supply
regulated, 480 W, 3-phase

Description

Switchmode power supply, PFC, 3-phase
Input: wide-range input AC 340–576 V, DC 480–820 V
Output: DC 24 V, adjustable

Technical Data

Input

Number of phases
3
Rated voltage UN
3 × AC 380–480 V
Operation voltage range
3 × AC 340–575 V / 3 × DC 480–820 V
Line frequency
47–63 Hz
Rated current IN
1.5 A @ AC 400 V / 1.2 A @ AC 480 V
Inrush current
20 A
Internal fuse
T3, 15 A/per Phase
External fuse
Mini-circuit breaker: 3 × B 10 A, C 6 A
Power factor correction P.F.C.
0.7

Output

Rated voltage UN
DC24V
Rated current IN
20 A
Heat dissipation
58 A @ AC 380 V
Setting range Uout min./Uout max.
22.5/28.5 V
Accuracy
1 %
Load regulation
Single ±1 %, Parallel ±5 %
Line regulation
±1 %
Temperature coefficient
±0.03 % / °C
Ripple and Noise
100 mV
Hold up time
min. 20 ms
Status indication DC ON LED green
≥17.6–19.4 V
Status indication DC LOW LED red
≤17.6–19.4 V
Parallel / redundant mode
max. 3 units at 90% load current, manual switch S/P
Efficiency
90 %
Over voltage protection
125–137 %
Rated over load protection
115–135 %
Short circuit
  • Current limit (C) / Hiccup Mode (D), switching with switch C/D
  • Hiccup Mode: deactivation within 3 s and restart after 30 s

Monitoring

DC ON Control (Rdy)
N/O contact
Switching voltage
DC 60 V
Switching current
max. 300 mA
Isolation voltage
DC 500 V

General

Switching frequency
approx. 80 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
-25 °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
3000 m
Installation position
vertical
Protection class
IP20
Protection class
I
Over voltage category
II
Degree of polution
2
Weight
1,75 kg/piece
Connection type
  • Screw terminal
  • 0.20 mm2 – 4.0 mm2
  • max. 0.62 Nm
Dimensions (w × h × d)
150×125×116 mm
Certifications
  • UL 508 listed
  • 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
MTBF
411000 h
PU
1 piece
Dimensions
PIN assignment
Derating
Parallel/redundant mode
Short circuit characteristics

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