Two-Stage Surge Current Arrester For Signal Lines

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Two-Stage Surge Current Arrester for Signal Lines
KM-DMG-024/1-RB
Surge ProtectionTwo-Stage Surge Current Arrester for Signal Lines SKU: KM-DMG-024/1 RB Category: Surge Protection Tags: Charging Stations, Low Voltage Telephone & Data Lines Protection

Nominal Voltage: 24V DC

Maximum Operating Voltage (AC/DC): 25V AC/36V DC

Two-Stage Surge Current Arrester for Signal Lines quantity Request QuoteDownload PDF SKU: KM-DMG-024/1 RB Category: Surge Protection Tags: Charging Stations, Low Voltage Telephone & Data Lines Protection

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.

    Electrical Specification:

    Order numberKM-DM-048/1-RB
    Connection (input - output)screwless terminals - screwless terminals
    Nominal voltageUn24V DC
    Maximum operating voltage (AC/DC)Uc25V AC/36V DC
    Nominal load currentIL0.5A
    C2 Nominal discharge current (8/20μs) per coreIn5kA
    C2 Nominal discharge current (8/20μs) cores-PEItotal10kA
    C2 Voltage protection level mode core-core at lnUp50V
    C2 Voltage protection level mode core-PE at lnUp350V
    C3 Voltage protection level mode core-core at 1kV/μsUp45V
    C3 Voltage protection level mode core-PE at 1kV/μsUp500V
    Response time core-core/coreta1ns
    Response time core-PEta100ns
    Serial resistance per coreR1.6Ω
    Threshold frequency core-coref5MHz
    Cross-section of connected conductors (solid) (min - max)0.08mm² - 4mm²
    Cross-section of connected conductors (stranded) (min - max)0.08mm² - 2.5mm²
    Degree of protectionIP20
    Range of operating temperatures (min - max)-40°C - +70°C
    MountingDIN rail 35mm
    According to standardEN 61643-21+A1,A2:2013, IEC 61643-21+A1,A2:2012 / C2, C3
    ETIM ClassEC 001625
    Weight35g (nett), 60g (gross)

    Wiring Diagrams for Two-Stage Surge Current Arrester for Signal Lines:

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