Two-Stage-Surge-Current-Arrester-for-Signal-Lines

Lightning Protection System

Surge Protection

Two Stage Surge Current Arrester for Signal Lines

Brand:Kingsmill

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Electrical Specification:

Order numberKM-DM-048/1-RB
Connection (input - output)
Nominal voltageUn
Maximum operating voltage (AC/DC)Uc
Nominal load currentIL
C2 Nominal discharge current (8/20μs) per coreIn
C2 Nominal discharge current (8/20μs) cores-PEItotal
C2 Voltage protection level mode core-core at lnUp
C2 Voltage protection level mode core-PE at lnUp
C3 Voltage protection level mode core-core at 1kV/μsUp
C3 Voltage protection level mode core-PE at 1kV/μsUp
Response time core-core/coreta
Response time core-PEta
Serial resistance per coreR
Threshold frequency core-coref
Cross-section of connected conductors (solid) (min - max)
Cross-section of connected conductors (stranded) (min - max)
Degree of protection
Range of operating temperatures (min - max)
Mounting
According to standard
ETIM Class
Weight

Product Information:

Coarse and fine surge protection for 2 core signalling networks.

Features:

  • Screwless terminals
  • Coupling impedance (resistance)
  • Use on systems up to 24 volts

Benefits: Coarse and fine surge protection in differential mode (core-core) and common mode (core-PE).Standards: EN 61643-21 (Surge Protection Devices).Application: Install close to equipment for protection of communication interfaces.

More Information:

Where low voltage, data and telecom lines enter and exit the building, they must also be included in the Lightning Protection System.A lightning surge protection device prevents damage to electrical and electronic equipment from transient over-voltage events by blocking or redirecting surge current to the ground instead of passing through the equipment.These include:

  • Electromagnetic shielding
  • Telephone lines
  • Data communication lines
  • Instrumentation, control, signalling lines
  • Coaxial lines for CCTV, TV, & antenna cables
  • Field based electronic equipment also need to be protected.