IFM DN4234 - Switched-mode power supply 24 V DC PSU-3AC/24VDC-20A/-/IP67

Protection of the wiring via configurable electronic circuit breakers.
Installation without control cabinet.
Additional diagnostics by measuring current, voltage and mains quality as well as counting operating hours.
Energy-efficient generation of extra-low voltage without power loss

Nominal voltage AC [V]	400 / 480
Nominal frequency AC [Hz]	50...60
Input voltage range AC [V]	323...552
Output voltage DC [V]	24...28
Protection class	I
Max. power-on delay time [ms]	12
Output voltage tolerance [%]	0.2
Max. output current at min. output voltage [A]	20.8
Max. output current at max. output voltage [A]	17.8
Output power (permanent) [W]	500
Output power (peak) [W]	1000
Power factor (nominal voltage 400 V AC / 50 Hz)	0.94
Power factor (nominal voltage 480 V AC / 50 Hz)	0.95
Number of output circuits	4
Switch-on peak current (nominal voltage 400 V AC / 60 Hz) [A]	2.1
Switch-on peak current (nominal voltage 480 V AC / 50 Hz) [A]	2
Efficiency (nominal voltage 400 V AC / 60 Hz) [%]	94.2
Efficiency (nominal voltage 480 V AC / 50 Hz) [%]	94
Mains buffering time (nominal voltage 400 V AC / 60 Hz) [ms]	24
Mains buffering time (nominal voltage 480 V AC / 50 Hz) [ms]	24
Input current (nominal voltage 400 V AC / 60 Hz) [A]	1.1
Input current (nominal voltage 480 V AC / 50 Hz) [A]	0.9

Outputs

Load capacitance, total [mF]	12.5

Operating conditions

Ambient temperature [°C]	-25...70
Storage temperature [°C]	-40...85
Max. relative air humidity [%]	95;(relative humidity)
Max. height above sea level [m]	5000
Protection	IP 65; IP 67
Pollution degree	3

Tests / approvals

EMC	EN 61000-4-2 CD 8 kV / failure criterion A EN 61000-4-2 AD 15 kV / failure criterion A EN 61000-4-3 80 Mhz...2.7 GHz / 20 V/m failure criterion A EN 61000-4-3 2.7 GHz...6 GHz kV / 10 V/m failure criterion A EN 61000-4-8 50/ 60 Hz / 30 A/m failure criterion A EN 61000-4-4 Burst 4 kV / failure criterion A EN 61000-4-5 Surge 2 kV Lx / Ly / failure criterion A EN 61000-4-5 Surge 4 kV L / PE / failure criterion A EN 61000-4-5 Surge 1 kV + / - / failure criterion A EN 61000-4-5 Surge 1 kV + - / PE / failure criterion A EN 61000-4-5 Surge 1 kV + - / PE / failure criterion A EN 61000-4-5 Surge 1 kV DC-OK / PE / failure criterion A EN 61000-4-6 0.15...80 MHz / 20 V failure criterion A EN 61000-4-11 0 V up to 1 cycle / failure criterion A EN 61000-4-11 40 %of V / 200 ms failure criterion A EN 61000-4-11 70 % of V / 500 ms failure criterion A EN 61000-4-11 0 V / 5000 ms failure criterion C VDE 0160 1550 V / 1.3 ms failure criterion A EN 55032 Class B EN 55032 Class B EN 55011 Class B EN 61000-3-2 EN 61000-3-3
Continuous shock resistance	IEC 60068-2-27 30 g 6 ms / 20 g 11 ms
Vibration resistance	IEC 600068-2-6 2...17.8 Hz ± 1.6mm / 17.8...500 Hz 2 g

Weight [g]	1558.8
Dimensions [mm]	182 x 183 x 59
Materials	housing: aluminium alloy; housing cap: PC; screws: steel bronzed

Pack quantity	1 pcs.

Electrical connection - Output voltage

	Connector: 2 x M12; coding: L; Locking: brass

Electrical connection - power supply

	Connector: 1 x 7/8"; Locking: brass

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 — DN4234-00 — 07.12.2022 —