IFM AC1253 - AS-Interface power supply PSU-3AC/ASi-8A

Reliably power supply for modules, sensors and actuators.
High noise immunity and sufficient power reserves for the compensation of current peaks.
Safe decoupling of interferences from the primary supply.
Particularly space-saving design.
Low heating of the control cabinet due to high efficiency

Frequency AC [Hz]	47...64
Operating voltage tolerance [%]	15...20
Nominal voltage AC [V]	400
Input voltage range AC [V]	380...480
Protection class	I
Overvoltage protection	yes;(< 36 V)
Max. power-on delay time [ms]	90
Output voltage AS-i [V]	30.5
Output power (permanent) [W]	244
Output power (peak) [W]	256
Note on output power (peak) [W]	briefly to load bus capacities after power on
Power factor (nominal voltage 400 V AC / 50 Hz)	0.53
Power factor (nominal voltage 480 V AC / 50 Hz)	0.52
Power reserve [%]	5
Number of output circuits	1
Output current AS-i [A]	8
Max. residual ripple [mV]	90
Switch-on peak current (nominal voltage 400 V AC / 60 Hz) [A]	4
Switch-on peak current (nominal voltage 480 V AC / 50 Hz) [A]	4
Efficiency (nominal voltage 400 V AC / 60 Hz) [%]	92
Efficiency (nominal voltage 480 V AC / 50 Hz) [%]	92.1
External input protection	≤ B-6 A / ≤ C-3 A
Derating [W/K]	6 (60...70 °C)
Mains buffering time (nominal voltage 400 V AC / 60 Hz) [ms]	34
Mains buffering time (nominal voltage 480 V AC / 50 Hz) [ms]	53
Input current (nominal voltage 400 V AC / 60 Hz) [A]	0.7
Input current (nominal voltage 480 V AC / 50 Hz) [A]	0.6
Power loss (nominal voltage 400 V AC / 60 Hz) [W]	21.2
Power loss (nominal voltage 480 V AC / 50 Hz) [W]	20.9
Integrated data decoupling	yes
Back feeding protection [V]	35

Outputs

Short-circuit proof	yes
Overload protection	yes
Overload performance	output current constant
Parallel connection of outputs possible	no
Series connection of outputs possible	no

Operating conditions

Ambient temperature [°C]	-25...70
Note on ambient temperature	observe the free space for convection (see operating instructions)
Storage temperature [°C]	-40...85
Max. relative air humidity [%]	95;(IEC 60068-2-30)
Protection	IP 20
Pollution degree	2;(IEC 62103: conductive soiling not permitted)

Tests / approvals

EMC	EN 61000-6-1 EN 61000-6-2 EN 61000-6-3 EN 61000-6-4
Vibration resistance	IEC 60068-2-6 ± 1,6 mm 2...17,8 Hz / 2 g 17,8...500 Hz
Shock resistance	IEC 60068-2-27 30 g 6 ms / 20 g 11 ms
Power Factor Correction (PFC)	met

AS-i classification

AS-i certificate	98401

Weight [g]	950
Type of mounting	rail;(TH35 (EN 60715))
Dimensions [mm]	124 x 62 x 120
Materials	steel sheet

Displays / operating elements

Display	AS-i voltage LED, green

Pack quantity	1 pcs.

Electrical connection

Connection	screw terminals:

Diagrams and graphs

block diagram

output characteristics

characteristic curve for degree of efficiency / power loss

characteristic line for derating

characteristic line for mains buffering time

ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — AC1253-00 — 10.01.2014 —