BETA Protecting
Overvoltage Protection Devices
Configuration
6/25
Siemens ET B1 · 10/2008
6
*
You can order this quantity or a multiple thereof.
5
SD7 464-. for TN-S systems
5
SD7 464-. for TN-S/TT systems
5
SD7 485-. for IT systems
5
SD7 422-. for TN-S/TT systems
5
SD7 423-. for TN-C systems
5
SD7 424-. for TN-S/TT systems
RS = remote signaling
I2_13946a
L1
L2
L3
N
PE
L1
L2
L3
N
PE
F1
F2
L1 L2 L3 N
PE
RS
I2_13947a
L1
L2
L3
N
PE
L1
L2
L3
N
F1
F2
L1 L2 L3 N
PE
RS
I2_13948
L1
L2
L3
N
PE
L1
L2
L3
N
PE
F1
F2
L1 L2 L3 N
PE
RS
I2_13791a
RS
L1
N
PE
L1
N
PE
F1
PE L1
N
F2
I2_13793a
RS
F1
L1
L2
L3
PEN
L1
L2
L3
PEN
PEN
L1 L2 L3
F2
I2_13795a
RS
L1
L2
L3
N
PE
L1
L2
L3
N
PE
F1
PE L1 L2 L3
N
F2
© Siemens AG 2008




