350 / 582
BETA Switching
Switching Devices
Product overview
8/2
Siemens ET B1 · 10/2008
8
*
You can order this quantity or a multiple thereof.
■
Overview
Devices
Page Field of application
Standards
Used in
Non-residential
buildings
Residential
buildings
Industry
5
TT4 1 remote control switches
8/3
For the switching of lighting up to
16
A in rooms using several
pushbuttons and central ON/OFF
switches with auxiliary switches that
can be retrofitted.
IEC 60669-1
IEC 60669-2
IEC 60669-3
EN 60669 (VDE 0632)
EN 60669-2-2 and
EN 60669-2-2/A1
✓ ✓ ✓
5
TT4 2 switching relays
8/11
For the switching of small loads up
to 16 A or as coupling devices in
control systems.
EN 60947-5-1 (VDE 0660-200)
✓
--
✓
5
TT5 7 Insta contactors,
DC technology
With DC magnetic system
8/14
Insta contactors 24, 40 and 63 A for
the switching of heating, lighting,
such as fluorescent lamps,
incandescent lamps, ohmic or
inductive loads.
IEC 60947-4-1
IEC 60947-5-1
IEC 61095
EN 60947-4-1
EN 60947-5-1
EN 61095
VDE 0660
UL 508
✓ ✓ ✓
5
TT5 8 Insta contactors,
AC technology
With AC magnetic system and
optional manual switch
8/20
Insta contactors 20, 25, 40 and 63 A
for the switching of heating, lighting,
such as fluorescent lamps,
incandescent lamps, ohmic or
inductive loads.
IEC 60947-4-1
IEC 60947-5-1, IEC 61095,
EN 60947-4-1
EN 60947-5-1
EN 61095
VDE 0660
NF C 61-480 (NF EN 61095)
✓ ✓ ✓
5
TT3 4 soft-starting devices
8/28
For the protection of machines with
transmission, belt or chain drives,
conveyor belts, fans, pumps,
compressors, packing machines or
door operating mechanisms
EN 60947-4-2 (VDE 0660-117) --
--
✓
Circuit protection
8/30
For the ON/OFF switching of loads,
contact selection for lighting
installations, OFF switching of direct
currents and the switching of safety
extra-low voltages.
A wide range of options for practical
use.
I2_07254a
1
© Siemens AG 2008