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DN4014 Installation Manual
Product Description
The DN4014 is a DIN-rail mountable single-phase-input power supply, which provides a floating,
stabilized and galvanically separated SELV/PELV output voltage.
Intended Use
This device is designed for installation in an enclosure and is intended for commercial use, such as in
industrial control, process control, monitoring and measurement equipment or the like.
Do not use this device in equipment, where malfunctioning may cause severe personal injury or
threaten human life without additional appropriate safety devices, that are suited for the end-
application.
If this device is used in a manner outside of its specification, the protection provided by the device may
be impaired.
Installation Instructions
Install the device in an enclosure providing protection against electrical, mechanical and fire hazards.
Install the device onto a DIN-rail according to EN 60715 with the input terminals on the bottom of the
device.
Make sure that the wiring is correct by following all local and national codes. Use appropriate copper
cables that are designed for a minimum operating temperature of 60°C for ambient temperatures up to
+45°C, 75°C for ambient temperatures up to +60°C and 90°C for ambient temperatures up to +70°C.
Ensure that all strands of a stranded wire enter the terminal connection. Unused screw terminals
should be securely tightened.
The device is designed for pollution degree 2 areas in controlled environments. No condensation or
frost is allowed.
The enclosure of the device provides a degree of protection of IP20. The housing does not provide
protection against spilled liquids.
The device is designed for overvoltage category II zones. Below 2000m altitude the device is tested
for impulse withstand voltages up to 4kV, which corresponds to OVC III according to IEC 60664-1.
The device is designed as "Class of Protection I" equipment according to IEC 61140.
Do not use without a proper PE (Protective Earth) connection.
The device is suitable to be supplied from TN, TT and IT mains networks. The continuous voltage
between the input terminals and the PE potential must not exceed 300Vac.
A disconnecting means shall be provided for the input of the device.
The device is designed for convection cooling and does not require an external fan. Do not obstruct
airflow and do not cover ventilation grid!
The device is designed for altitudes up to 5000m (16400ft). Above 2000m (6560ft) a reduction in
output current is required.
Keep the following minimum installation clearances: 40mm on top, 20mm on the bottom, 5mm left and
right side. Increase the 5mm to 15mm in case the adjacent device is a heat source. When the device
is permanently loaded with less than 50%, the 5mm can be reduced to zero.
The device is designed, tested and approved for branch circuits up to 32A (IEC) and 30A (UL) without
additional protection device. If an external fuse is utilized, do not use circuit breakers smaller than 10A
B- or C-Characteristic to avoid a nuisance tripping of the circuit breaker.
The maximum surrounding air temperature is +70°C (+158°F). The operational temperature is the
same as the ambient or surrounding air temperature and is defined 2cm below the device.
The device is designed to operate in areas between 5% and 95% relative humidity.
Functional Description
The output is electronically protected against no-load, overload and short circuit and can supply any
kind of loads, including unlimited inductive and capacitive loads. If capacitors with a capacitance >0.5F
are connected, the unit might charge the capacitor in an intermittent mode.
Do not apply return voltages from the load to the output higher than 35V.
The output voltage can be adjusted with a small flat-blade screwdriver on the front of the unit.
The green DC-OK LED reports an output voltage above 90% of the adjusted voltage of a running
device.
The DC-OK relay monitors the output voltage and the contact is closed when the DC-OK LED is on.
Contact ratings: 60Vdc 0.3A, 30Vdc 1A, 30Vac 0.5A for resistive loads.
The device is equipped with an over-temperature protection. In case of a high temperature, the output
shuts down and starts automatically again after cooling off.
At heavy overloads (when output voltage falls below 13V), the device delivers continuous output
current for 2s. After this, the output is switched off for 18s before a new start attempt is automatically
performed. This cycle is repeated as long as the overload exists.
Devices can be paralleled to increase the output power. The ambient temperature is not allowed to
exceed +40°C. The output voltage shall be adjusted to the same value (±100mV) with the same load
conditions on all devices, or the devices can be left with the factory settings. Energize all units at the
same time. It also might be necessary to cycle the input power (turn-off for at least five seconds), if the
output was in overload or short circuit. If more than three devices are connected in parallel, a diode,
fuse or circuit breaker with a rating of 30A or 32A is required on each output.
Same devices can be connected in series for higher output voltages. It is allowed to connect as many
devices in series as needed, providing the sum of the output voltage does not exceed 150Vdc.
In case of an internal defect, a redundant circuit limits the maximum output voltage to 32V. The output
shuts down and automatically attempts to restart.
Technical data
All values are typical figures specified at 230Vac 50Hz input voltage, 24V
20A output load, 25°C ambient temperature and after a 5 minutes run-in
time unless otherwise noted.
Output voltage
DC 24V
Adjustment range
24 – 28Vdc
Output current
For AC 120-240V mains
24.0 – 20.6A
20.0 – 17.1A
15.0 – 12.8A
For AC 100V mains
20.4 – 17.5A
17.0 – 14.5A
12.8 – 10.9A
Derate linearly between +45°C and +70°C
Input voltage AC
AC 100 - 240V
Mains frequency
50 – 60Hz
Input current AC
4.36 / 2.33A
Power factor
0.99 / 0.95
Input inrush current
9 / 7A pk
Efficiency
92.7 / 94.0%
Power losses
37.8 / 30.6W
Hold-up time
26 / 26ms
Temperature range
-25 to +70°C
Max. wire size (litz wire)
4mm²
Wire size AWG
AWG 20-10
Max. wire diameter
2.8mm
Wire stripping length
7mm / 0.28inch
Tightening torque
1Nm / 9lb.inch
Max. wire size (litz wire)
1.5mm²
Wire size AWG
AWG 26-14
Max. wire diameter
1.5 mm
Wire stripping length
7mm / 0.28inch
Size (wxhxd)
65x124x132.5mm Without DIN-rail
Weight
1000g / 2.2lb
Functional Diagram
L
Input Fuse
Input Filter
N
PFC
Input Rectifier
Converter
Inrush Current
Limiter
Temper-
Output
Output
ature
Over-
Power
Shut-
Voltage
Manager
down
Protection
Output Characteristic
Output voltage
28V
24V
13V
A: continuous current
B: intermittent current
0V
0A
5A
10A
15A
Temperature Range
Allowed output current at 24V
24A
20A
15A
A: AC 100V, continuous
B: AC 120-240V, continuous
C: short term (max. 5s)
0A
-25
0
Nominal
Factory setting 24.1V
Below +45°C ambient
At +60°C ambient
At +70°C ambient
Below +45°C ambient
At +60°C ambient
At +70°C ambient
-15%/+10%
±6%
At 120 / 230Vac
At 120 / 230Vac
At 120 / 230Vac
At 120 / 230Vac
At 120 / 230Vac
At 120 / 230Vac
Power terminals
Power terminals
Power terminals
Power terminals
Power terminals
Signal terminals
Signal terminals
Signal terminals
Signal terminals
+
+
Power
Output
Converter
Filter
-
-
Output
Voltage
V
OUT
Regulator
DC-ok
LED
Output
Voltage
13
Monitor
DC-ok
DC-ok
Relay
14
Contact
Adjustment range
A
B
20A
25A
30A
35A
Output current
+35
+45
+60
+70°C
Ambient temperature
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