317 / 582
BETA Protecting
Overvoltage Protection Devices
Configuration
6/31
Siemens ET B1 · 10/2008
6
*
You can order this quantity or a multiple thereof.
Medium protection
Fine protection
For installation upstream of counters in main distribution boards
or in combined main/sub-distribution boards
For installation directly upstream of the terminal equipment
Surge arresters, type 2
Narrow design
5
SD7 424-0, 5SD7 424-1
Standard design
5
SD7 464-0, 5SD7 464-1
With or without remote signaling
Surge arresters, type 3
For installation in sub-distribution boards
or control cabinets
5
SD7 432-x and 5SD7 434-1
With remote signaling
Only required if the distance between the main and sub-distribution boards is
> 10 m
Surge arresters, type 2
Narrow design
5
SD7 423-0, 5SD7 423-1
Standard design
5
SD7 463-0, 5SD7 463-1
With or without remote signaling
Overvoltage protection adapters, type 3
For line contactors
5
SD7 435-0
Overvoltage protection adapters, type 3
For telecommunication devices/TAE
5
SD7 435-2
Overvoltage protection adapters, type 3
For ISDN/RDSI
5
SD7 435-3
Overvoltage protection adapters, type 3
For TV/radio
5
SD7 435-5
Overvoltage protection adapters, type 3
For telecommunication devices/RJ12
5
SD7 435-6
Overvoltage protection adapters, type 3
For TV/SAT installations
5
SD7 435-7
Only required if the distance between the main and sub-distribution boards is
> 10 m
Surge arresters, type 2
Narrow design
5
SD7 424-0, 5SD7 424-1
Standard design
5
SD7 464-0, 5SD7 464-1
With or without remote signaling
Surge arresters, type 2
Narrow design
5
SD7 423-0, 5SD7 423-1
Standard design
5
SD7 463-0, 5SD7 463-1
With or without remote signaling
Surge arresters, type 2
Narrow design
5
SD7 424-0, 5SD7 424-1
Standard design
5
SD7 464-0, 5SD7 464-1
With or without remote signaling
Only required if the distance between the main and sub-distribution boards is
> 10 m
Surge arresters, type 2
Narrow design
5
SD7 423-0, 5SD7 423-1
Standard design
5
SD7 463-0, 5SD7 463-1
With or without remote signaling
Only required if the distance between the main and sub-distribution boards is
> 10 m
Surge arresters, type 2
5
SD7 473-0, 5SD7 473-1
3-
pole (3+0 circuit)
U
c
= 580 V AC
With or without remote signaling
Surge arresters, type 2
5
SD7 485-0, 5SD7 485-1
4-
pole (4+0 circuit)
U
c
= 440 V AC
With or without remote signaling
© Siemens AG 2008