404 / 582
BETA Switching
Transformers, Bells and Socket Outlets
Product overview
10/2
Siemens ET B1 · 10/2008
10
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Overview
Devices
Page Field of application
Standards
Used in
Non-residential
buildings
Residential
buildings
Industry
4
AC3 0, 4AC3 1 bell
transformers
10/3
Power supply up to 40 VA as safety extra-low
voltage in residential buildings for the supply
of gongs, buzzers, bells, door openers and
remote control switches
EN 61558-2-8
✓ ✓
--
4
AC3 4 ... 4AC3 6 transformers
for permanent loads
10/5
Power supply up to 63 VA as safety extra-low
voltage for the supply of control circuits,
switching relays and Insta contactors
EN 61558-2-2
✓
--
✓
4
AC2 4 power supply units
10/8
Direct voltage power supply up to 24 V DC
and 2 A as safety extra-low voltage for the
supply of gongs, buzzers, bells, door openers,
switching relays and Insta contactors
EN 61558-2-6
✓ ✓ ✓
7
LQ2 2 bells and buzzers
10/10
Bells and buzzers serve to indicate alarm
states or for general acoustic signaling. They
are used as modular installation devices in
distribution boards.
✓ ✓ ✓
5
TE6 8 socket outlets
10/11
For 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
✓ ✓ ✓
© Siemens AG 2008