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Transformers, Power Supply Units
and Socket Outlets
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© Siemens AG 2015
© Siemens AG 2015
Siemens · 10/2015
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2Introduction
34AC3 bell transformers
54AC3 safety transformers
74AC2 power supply units
95TE6 REG socket outlets
Transformers, Power Supply Units and Socket Outlets
LV10-1_THB_09_EN.book Seite 1 Freitag, 24. Juli 2015 1:35 13
© Siemens AG 2015
2Siemens · 10/2015
Introduction
Transformers, Power Supply Units and Socket Outlets
■
Overview
Devices Page Application Standards Used in
Non-residential
buildings
Residential
buildings
Industry
4AC3 bell transformers 3Power supply up to 18 VA as safety extra-low
voltage (SELV) in residential buildings for the
supply of gongs, buzzers, bells, door
openers and remote control switches
EN 61558-1
EN 61558-2-8
✓ ✓ --
4AC3 safety transformers 5Power supply up to 63 VA as safety extra-low
voltage (SELV) for the supply of control
circuits, switching relays and Insta
contactors
EN 61558-1
EN 61558-2-6
✓-- ✓
4AC2 power supply units 7Direct voltage power supply up to 24 V DC
and 2 A as safety extra-low voltage (SELV)
for the supply of gongs, buzzers, bells, door
openers, switching relays and Insta
contactors
EN 61558-2-6 ✓ ✓ ✓
5TE6 REG socket outlets 9For power supply during maintenance in
distribution boards in DIN VDE, CEE 7,
CEI 23-50 and UL 489 versions
DIN VDE 0620-1,
CEE 7 standard sheet V,
CEI 23-50,
UL 498
✓ ✓ ✓
LV10-1_THB_09_EN.book Seite 2 Freitag, 24. Juli 2015 1:35 13
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3
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Transformers, Power Supply Units and Socket Outlets
4AC3 bell transformers
■
Overview
A typical application for these bell transformers is short-time
use, as occurs with bells, gongs, door openers or remote control
switches in residential buildings.
Siemens bell transformers are protected against short-circuit or
moderate overload by a PTC resistor.
After a short circuit, the primary current must be briefly discon-
nected from the mains before restarting.
Higher output voltages will occur in the event of low-load or
no-load operation.
■
Technical specifications
4AC3208-0 4AC3208-1 4AC3214-0 4AC3218-0
Standards EN 61558-1:2005, EN 61558-2-8:2010
Rated operational power P
s
VA 8 8 14 18
Rated operational voltage U
e
V AC 230
Operating range at 50 Hz ×U
e
1.04
Rated frequency Hz 50
Rated secondary voltage U
sec
V AC -- -- -- 4
V AC 8 8 8 8
V AC -- 12 12
V AC -- -- 24 --
Rated secondary current I
sec
•At 4 V A AC -- -- -- 2.0
•At 8 V A AC 1.0 1.0 2.0 2.0
•At 12 V A AC -- 0.6 1.3 1.5
•At 24 V A AC -- -- 0.6 --
Rated power dissipation P
V
• In no-load operation W 1.2 1.2 1.3 1.3
• At a rated voltage of 4 V W -- -- -- 5.5
• At a rated voltage of 8 V W 5.7 5.7 10.5 8.1
• At a rated voltage of 12 V W -- 3.8 7.4 8.4
• At a rated voltage of 24 V W -- -- 4.2 --
Safe separation
• Creepage distances and clearances mm > 6
Insulation class E
Test voltage, 50 Hz, 1 second
• Primary against secondary winding kV 4
Conductor cross-sections
• Rigid mm
2
1 x 4 or 2 x 2.5
• Flexible, with end sleeve mm
2
1 x 2.5 or 2 x 1.5
Permissible ambient temperature °C 40 35 40 40
Permissible humidity %91
Degree of protection Acc. to EN 60629 IP20
Safety class Acc. to EN 61140 (VDE 0140-1) II
LV10-1_THB_09_EN.book Seite 3 Freitag, 24. Juli 2015 1:35 13
© Siemens AG 2015
4Siemens · 10/2015
4AC3 bell transformers
Transformers, Power Supply Units and Socket Outlets
■
Dimensional drawings
■
Circuit diagrams
4AC32
i202_18271
12
45
60
44
5
37
90
4AC3208-0 4AC3208-1 4AC3214-0 4AC3218-0
17
48
8V
I201_18469
50Hz
230 V AC
17
486
8V
12V
50Hz
I201_18470
230 V AC
8V
17
48
6
12V
24V
50Hz
I201_18471
230 V AC
4V
17
486
8V
12V
50Hz
I201_18472
230 V AC
LV10-1_THB_09_EN.book Seite 4 Freitag, 24. Juli 2015 1:35 13
© Siemens AG 2015
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Transformers, Power Supply Units and Socket Outlets
4AC3 safety transformers
■
Overview
These transformers up to 63 VA provide a safety extra-low
voltage for supplying control circuits, switching relays or Insta
contactors in continuous operation as alternating voltage power
supply for 8 V, 12 V, 16 V, 24 V and 32 V AC.
Higher output voltages will occur in the event of low-load or
no-load operation. Siemens safety transformers are protected
against short circuit or moderate overload by a PTC resistor.
After a short circuit, the primary current must be briefly discon-
nected from the mains before restarting.
■
Technical specifications
4AC3716-0 4AC3724-0 4AC3740-0 4AC3740-1 4AC3763-0
Standards EN 61558-1:2005, EN 61558-2-6:2009
Rated operational power P
s
VA 16 24 40 40 63
Rated operational voltage U
e
V AC 230
Operating range at 50 Hz ×U
e
1.04
Rated frequency Hz 50
Rated secondary voltage U
sec
V AC 8 8 -- -- --
V AC -- -- 12 12 2 × 12
V AC -- 12 -- -- --
V AC -- -- -- 16 --
V AC -- -- 24 24 24
V AC -- -- -- 32 --
Rated secondary current I
sec
• At 8 V A AC 2.0 2.0 -- -- --
• At 12 V A AC -- 2.0 3.3 3.3 5.2
• At 16 V A AC -- -- -- 2.5 --
• At 24 V A AC -- -- 1.6 1.6 2.6
• At 32 V A AC -- -- -- 1.2 --
Rated power dissipation P
V
• In no-load operation W 1.1 1.1 3.5 3.9 3.9
• At a rated voltage of 8 V W 6.8 4.6 -- -- --
• At a rated voltage of 12 V W -- 7.6 7.1 7.5 13.2
• at a rated voltage of 16 V W -- -- -- 7.7 --
• At a rated voltage of 24 V W -- -- 7.7 8.1 13.5
• at a rated voltage of 32 V W -- -- -- 7.6 --
Safe separation
• Creepage distances and clearances mm > 6
Insulation class E F
Test voltage, 50 Hz, 1 second
• Primary against secondary winding kV 4
Conductor cross-sections
• Rigid mm
2
1 x 4 or 2 x 2.5
• Flexible, with end sleeve mm
2
1 x 2.5 or 2 x 1.5
Permissible ambient temperature °C 25
Permissible humidity %91
Degree of protection Acc. to EN 60529 IP20
Safety class Acc. to EN 61140 (VDE 0140-1) II
LV10-1_THB_09_EN.book Seite 5 Freitag, 24. Juli 2015 1:35 13
© Siemens AG 2015
6Siemens · 10/2015
4AC3 safety transformers
Transformers, Power Supply Units and Socket Outlets
■
Dimensional drawings
■
Circuit diagrams
4AC3716-0 4AC3724-0
4AC3740-1
4AC3740-0
4AC3763-0
i202_18267
12
45
60
44
5
90
37
i202_18274
12
60
45
44
5
54
90
90
90
i202_18273
12
45
60
5
44
4AC3716-0 4AC3724-0 4AC3740-0 4AC3740-1 4AC3763-0
17
48
8V
50Hz
I201_18473
230 V AC
17
48
6
8V
12V
50Hz
I201_18474
230 V AC
612
8
12V
10
111
612
8
24V
50Hz
10
I201_18476
230 V AC
12
8
12V
10
24V
212
4
16V
10
111
212
4
32V
50Hz
10
612
810
6
I201_18477
230 V AC
612
8
12V
10
111
612
8
24V
50Hz
10
I201_18475
230 V AC
LV10-1_THB_09_EN.book Seite 6 Freitag, 24. Juli 2015 1:35 13
© Siemens AG 2015
7
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Transformers, Power Supply Units and Socket Outlets
4AC2 power supply units
■
Overview
The electronic power supply unit provides a 24 V DC supply to
systems with an operational voltage of 85 to 265 V AC or
85 to 300 V DC. The device operates in the lower class for
minimum power supply with a safety extra-low voltage (SELV).
The electronic power supply unit is suitable for supplying the
5TT71 GSM alarm modules within a supply voltage range of
150 to 230 V AC.
■
Technical specifications
4AC2402
Standards EN 60068-2, EN 61558-1, EN 61000-4
Approvals --
Rated operational power P
s
W8.4
Rated operational voltage U
e
V AC 85 ... 265
V DC 85 ... 300
Permissible operational voltage
For the 5TT71 GSM alarm modules V AC/DC 150 ... 265
Primary operating range At 50/60 Hz × U
e
--
Rated frequency Hz 50/60
Operating frequency range Hz --
Rated secondary voltage U
sec
V DC 24 ± 5 %
Rated secondary current I
sec
A DC 0.35
Current limitation Electronic overload protection
Residual ripple mV < 100
Rated power dissipation P
v
In no-load operation W --
At rated load W --
Hum-free Core molded --
Safe separation Creepage distances and
clearances
mm > 5.5
Insulation class --
Test voltage
Primary against secondary winding 50 Hz, 1 min kV --
Insulation resistance kV 4
Rated impulse withstand voltage/
degree of pollution Acc. to IEC 60664-1 6 kV/2
Static discharge Acc. to IEC/EN 61000-4-2 kV 8
RF irradiation Acc. to IEC/EN 61000-4-3 V/m 10
Transient overvoltage (burst) Acc. to IEC/EN 61000-4-4 kV 4
Transient overvoltage (surge) Acc. to IEC/EN 61000-4-5
• Supply lines A1, A2 kV 1
• A1/A2 and ground kV 2
RF, conducted disturbance Acc. to IEC/EN 61000-4-6 V 10
Interference suppression to
lower limit class Acc. to EN 61000-6-3 Complied with
Terminals
• Screw (slotted-head) M2.5
• ±screw (Pozidriv) --
Conductor cross-sections
• Rigid mm
2
0.5 ... 2.5
• Flexible, with end sleeve, min. mm
2
0.5 ... 1.5
Permissible ambient temperature °C -20 ... +60
Permissible humidity %
Resistance to climate Acc. to IEC/EN 60068-1 20/045/04
Resistance to vibrations
Frequency 10 ... 55 Hz
Acc. to IEC/EN 60068-2-6 mm 0.35 amplitude
Degree of protection Acc. to EN 60529 IP20, with connected conductors
Safety class Acc. to EN 61140 II
LV10-1_THB_09_EN.book Seite 7 Freitag, 24. Juli 2015 1:35 13
© Siemens AG 2015
8Siemens · 10/2015
4AC2 power supply units
Transformers, Power Supply Units and Socket Outlets
■
Dimensional drawings
■
Circuit diagrams
Graphical symbols
4AC2402
4AC2402
+
A1 A2 A2
US+
36 25
44
64
7
64
45
90
I201_13709a
US- US-
I201_13710b
Us-
A1 A2
Us
+
LV10-1_THB_09_EN.book Seite 8 Freitag, 24. Juli 2015 1:35 13
© Siemens AG 2015
9
Siemens · 10/2015
Transformers, Power Supply Units and Socket Outlets
5TE6 REG socket outlets
■
Overview
The socket outlets for mounting in distribution boards to
DIN 43880 and on standard mounting rails to DIN 60715 have
since become standard in modern switchgear assemblies/distri-
bution boards. The socket outlet range complies with a number
of different standards and is available according to the stan-
dards of the following countries: VDE for Germany, CEE7 for
Belgium/France, CEI for Italy and UL for USA.
In distribution boards with 55 mm mounting depth the socket
outlet can only be used without the hinged lid. The lids can be
retrofitted on all devices. In system components where equip-
ment is still live even after the main switch has been discon-
nected, this must be indicated according to DIN EN 50110-1
(VDE 0105-1) and IEC/EN 60204-1/VDE 0113-1. Yellow socket
outlets are used for these applications.
■
Technical specifications
5TE6800 5TE6801 5TE6810 5TE6802 5TE6803 5TE6804
Standards VDE 0620-1 VDE 0620-1 VDE 0620-1 CEI 23-50 CEE 7 stan-
dard sheet V UL 498
Approvals VDE 0620-1 -- UL File No.
E258598/
CSA C22.2
No. 182.3M
Rated operational voltage U
e
V AC 230 125
Rated operational current I
e
A AC 16 15
Terminals ±screw (Pozidriv) PZ1
Terminal tightening torque, max. N 1.2
Stripped length mm 10
Conductor cross-sections
• Rigid mm
2
1.5 ... 6
• Flexible, with end sleeve mm
2
0.5 ... 4
• Rigid AWG 10 ... 14
•Flexible AWG 14
Permissible ambient temperature °C -10 ... +55
Degree of protection
Acc. to EN 60529 IP20, with connected conductors
Mounting position Without cover: any, with cover: vertical or horizontal
LV10-1_THB_09_EN.book Seite 9 Freitag, 24. Juli 2015 1:35 13
© Siemens AG 2015
10 Siemens · 10/2015
5TE6 REG socket outlets
Transformers, Power Supply Units and Socket Outlets
■
Dimensional drawings
5TE6800
5TE6810
5TE6803
5TE6801 5TE6804
5TE6802 5TE9120
44 724
44
58
45
74
I201_12115
LN
44 724
44
55
45
74
I201_12118
LN
4 4 7 2 4 4 4 6 4
4 5
7 4
I 2 _ 1 2 1 1 6
LN
44 724
44
55
45
74
I201_12119
LN
44 724
44
58
45
74
I201_12117
LN
65
44 9
45
I201_12120
LV10-1_THB_09_EN.book Seite 10 Freitag, 24. Juli 2015 1:35 13
© Siemens AG 2015
11
Siemens · 10/2015
Transformers, Power Supply Units and Socket Outlets
5TE6 REG socket outlets
■
More information
Hinged lid for simple application
The hinged lid can be opened at an angle greater than 180 degrees. By pulling on the hinges, the covers stay open, which facilitates plugging in.
The hinged lids can be retrofitted on all versions.
In order to make sure that it is possible to work on the distribution board in
the event of a power failure, we recommend that the infeed socket outlet is
fed using a short-circuit current proof cable installation and a separate fuse.
The yellow socket outlet must be used for this purpose.
LV10-1_THB_09_EN.book Seite 11 Freitag, 24. Juli 2015 1:35 13
© Siemens AG 2015
12 Siemens · 10/2015
Notes
Transformers, Power Supply Units and Socket Outlets
LV10-1_THB_09_EN.book Seite 12 Freitag, 24. Juli 2015 1:35 13
© Siemens AG 2015
© Siemens AG 2015
The information provided in this brochure contains merely general
descriptions or characteristics of performance which in case of actual
use do not always apply as described or which may change as a result
of further development of the products. An obligation to provide the
respective characteristics shall only exist if expressly agreed in the
terms of contract. Availability and technical specifications are subject
to change without notice.
All product designations may be trademarks or product names of
Siemens AG or supplier companies whose use by third parties for their
own purposes could violate the rights of the owners.
Siemens AG
Energy Management
Low Voltage & Products
Postfach 10 09 53
93009 REGENSBURG
GERMANY
Subject to change without prior notice
PDF (3ZW1012-4AC32-0AC1)
PH 0216 12 En
Produced in Germany
© Siemens AG 2016
www.siemens.com/lowvoltage
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© Siemens AG 2015
