Protection of line and communication interfaces of the PROFIBUS industrial bus-bar system. Coarse and fine surge protection. Also, cable shielding is protected.
Parameters
Type of SPD
C2,C3
Connection (input - output)
terminals-terminals
Location of SPD
ST 2+3
Nominal voltage
Un
24V DC
Maximum operating voltage
Uc
21V AC
Maximum operating voltage
Uc
29V AC
Nominal load current
IL
0,060 A
C2 nominal discharge current (8/20 µs) core-core
In
10,00Ka
C2 voltage protection level mode core-core at In
Up
300 V
C2 voltage protection level mode core-COM at In
Up
300 V
C2 voltage protection level mode COM-PE at In
Up
350 V
C2 voltage protection level mode SH-PE at In
Up
350 V
C3 voltage protection level mode core-core at 1 kV/µ
Up
40 V
C3 voltage protection level mode core-COM at 1 kV/µs
Up
40 V
C3 voltage protection level mode COM-PE at 1 kV/µs
Up
650 V
C3 voltage protection level mode SH-PE at 1 kV/µs
Up
650 V
Response time core-core
ta
1 ns
Response time core COM
1 ns
Response time COM-PE
ta
100ns
Response time SH-PE
ta
100ns
Serial resistance per core
R
1,00Ω
Treshold frequency core-core
f
100,00MHz
Cross-section of connected conductors solid - max
400 mm2
Cross-section of connected conductors stranded - max