DN4237 Switched-mode power supply 24 V DC PSU-3AC/24VDC-20A/IOL/IP67

Code: DN4237

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

Output voltage, load currents, output circuit states and trigger cause are communicated via IO-Link
Switching the output circuits on and off as well as resetting the circuit breakers is possible via IO-Link

Electrical data

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

Interfaces

Communication interface	IO-Link
Unterstützte Masterportklasse	A
Transmission type	COM3 (230,4 kBaud)
IO-Link revision	1.1
SIO mode	yes
Min. process cycle time [ms]	2

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

Mechanical data

Weight [g]	1616.05
Dimensions [mm]	182 x 183 x 59
Materials	housing: aluminium alloy; housing cap: PC; screws: steel bronzed

Remarks

Pack quantity	1 pcs.

Electrical connection - IO-Link

	Connector: 1 x M12; coding: A; Locking: brass

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 — DN4237-00 — 07.12.2022 —