IFM DN4033 - Switched-mode power supply 24 V DC PSU-3AC/24VDC-10A

For the regulated power supply for controllers, sensors, actuators, and industrial electronics.
Low power loss thanks to high efficiency.
High mains buffering time.
Particularly space-saving design.
High power reserves

Frequency AC [Hz]	47...64
Operating voltage tolerance [%]	15...20
Nominal voltage AC [V]	< 400
Input voltage range AC [V]	380...480
Output voltage DC [V]	24...28
Protection class	I;(IEC 61140)
Overvoltage protection	yes;(< 32 DC)
Output voltage [V]	adjustable; output voltage to SELV, PELV
Max. output current at min. output voltage [A]	10
Max. output current at max. output voltage [A]	8.6
Max. output current peak at min. output voltage [A]	12
Max. output current peak at max. output voltage [A]	10.3
Output power (permanent) [W]	240
Output power (peak) [W]	288
Note on output power (peak) [W]	≤ 45 °C permitted continuously; > 45 °C < 1 minute every 10 minutes
Power factor (nominal voltage 400 V AC / 50 Hz)	0.53
Note on power factor (nominal voltage 400 V AC / 50 Hz)	with symmetrical phase voltage
Power factor (nominal voltage 480 V AC / 50 Hz)	0.52
Note on power factor (nominal voltage 480 V AC / 50 Hz)	with symmetrical phase voltage
Power reserve [%]	20
Number of output circuits	1
Max. residual ripple [mV]	50
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
Inrush current limitation	yes
Efficiency (nominal voltage 400 V AC / 60 Hz) [%]	92.8
Efficiency (nominal voltage 480 V AC / 50 Hz) [%]	92.9
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]	54
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]	18.6
Power loss (nominal voltage 480 V AC / 50 Hz) [W]	18.3
Back feeding protection [V]	35

Outputs

Short-circuit proof	yes
Overload protection	yes
Overload performance	output current constant
Type DC-OK signal	relay output
Reliability of the DC OK signal	60 V DC (0.3 A) / 30 V DC (1 A) / 30 V AC (0.5 A)

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;(EN 60529)
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 EN 61000-3-2 Class A
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

Weight [g]	891.6
Type of mounting	rail;(TH35 (EN 60715))
Dimensions [mm]	124 x 62 x 122.5
Materials	steel sheet

Displays / operating elements

Display	DC ok 1 x LED

Remarks	Series connection of outputs only applies to identical units up to max. 150 V DC overall voltage
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 — DN4033-00 — 10.01.2014 —