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WARNING
!
Hazardous voltages are present in this electrical equipment during operation. Failure to properly maintain the equipment can
result in death, severe personal injury or substantial property damage. Only qualified personnel is allowed to work on or
around this equipment. The successful and safe operation of this equipment is dependent on proper handling, installation
and operation.
CAUTION
Electrostatically sensitive device (EGB). The device may only be opened by qualified personel.
Description and construction
The SITOP 24V/2A, 5A, 10A power supplies are rail-mounted built-in units. The relevant DIN/VDE regulations or equivalent local regulations
must be observed during installation.
Primary switched-mode power supply for mounting on a DIN EN 50022-35x15.
For connection to 120 or 230V, 50/60Hz single-phase AC system.
Output voltage +24V DC, potential-free, protected against short-circuit and open-circuit conditions.
Technical specifications
6EP1331-
6EP1333-
1SL11
1SL11
Input data
AC input voltage:
120/230V, 50/60Hz
Tolerance:
85-132V
170-264V
Overvoltage proof:
according to EN61000-4-1 A.2
Efficiency at full load and 230V:
>82%
87%
Limitation of inrush current (25°C) standard at
230V AC:
2
2
<20A, 1A
s
45A, 1.2A
s
Recommended circuit breaker, characteristic C.
3A
6A
Input current(120/230V):
0.9/0.6A
2.2/1.3A
Power consumption:
58W
138W
Weight
0.42kg/0.92lb. 0.75kg/1.65lb.
Installation
To ensure adequate cooling, the device must be installed vertically, with the input and output terminals at the bottom. Be sure to leave a
minimum free space of 40mm ( 1.6in.) above and below the device.
The supply voltage (AC 120/230V) must be connected in accordance with VDE 0100 and VDE 0160. A protective device (fuse) and an
isolating device for disconnecting the power supply must be provided.
The mains switch has to be switched off and prevented from being switched on again before installation or maintenance. If these
rules are not adhered to, contact with live parts or improper use can result in death or severe personal injury.
The voltage selector is to be adjusted by means of a suitable screw driver, in accordance with the respective input voltage.
U
170 – 264V - position 230V;
IN
Connections and terminal assignment
Terminals
Function
L1, N
Input voltage AC 120/230 V
PE
Protective earth conductor
L+, M
Output voltage DC 24 V
Siemens AG Österreich
Output variables
6EP1334-
1SL12
DC output voltage:
24V ± 3%
Ripple content of output voltage:
<150mV
ss
<240mV
ss
DC output current:
0-2A
Two units of the same type may be connected in
series to increase the voltage output (see notes in
Catalog KT10). Parallel connection to increase the
89%
power output is not allowed.
Environmental conditions
2
55A, 3.3A
s
Temperature
Non-operating: -40 to +85°C (-40 to +185°F)
10A
Operating:
Humidity rating:
4.1/1.8A
according to EN 60721 class 3K3
<75% as the annual average
35% in 30 days
270W
no moisture condensation
Natural air convection cooling
1.10kg/2.42lb.
U
85 – 132V - position 120V.
IN
ripple
spikes
0-5A
0-10A
0 to +60°C (+32 to +140°F)
Connected load
Remarks
2
0.5 ... 2.5mm
Screw-type terminals
22...12 AWG
Use a screwdriver with a blade width of 3.5mm (0.14in.)
Recommended tightening torque 0.4 to 0.6Nm (3.6 to 5.4lb.in.)
4/8
Protection and monitoring
functions
Current limitation:
Typ. 1.1 - 1.3 I
rated
Response to short-circuit (output):
Automatic restart
Mains buffering time:
>20ms at 93/187V line voltage and full load
UA overvoltage protection already in standard
version
Fuse:
T 1.6A/250V
F 4A/250V
Standards and specifications
Degree of protection: IP20 to IEC 529
Degree of protection: 1 to IEC 536
Safety to EN50178: SELV
Emission: EN 50081-1, RI suppression to
EN55022, limit curve B
Noise immunity: EN 50082-2 incl. Table A4;
IEC 61000-4-5: 2/4kV,EN61000-6-2
The input current harmonics are limited according
to EN 61000-3-2.
UL508: FILE E143289 (cULus)
FM; C-Tick
English
6.3A/250V
SITOP Power 2/5/10
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