type 1 surge arrester / compact / single-pole / coordinated
DBM 1 255 S

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type 1 surge arrester / compact / single-pole / coordinated type 1 surge arrester / compact / single-pole / coordinated - DBM 1 255 S
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Characteristics

  • Type:

    type 1

  • Other characteristics:

    compact, single-pole, coordinated, screw-in, for busbar mounting, low-voltage, thermoplastic

  • Applications:

    for power supplies, for electrical installations

  • Current:

    25,000 A

  • Voltage:

    230 V

Description

Spark-gap-based lightning current arrester with integrated lightning current carrying backup fuse in a compact enclosure
Directly mounted on the PEN / N busbar
Low voltage protection level UP ≤ 2.5 kV (includung 80 cm connecting cable)
Directly coordinated with DEHNguard surge protective device without additional cable length
Short-circuit withstand capability of 100 kArms (220 kApeak)
High follow current extinguishing capability and limitation due to RADAX Flow technology
High lightning current discharge capacity
With optical-fibre interface for SPD monitoring