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  • 24V Data Interface Surge Protection For Industrial Bus

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 

 

2,50 mm2

Degree of protection

 

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