DGP M 255 Current Arrester

Brand: DEHN, Inc.

Coordinated and modular single-pole N-PE lightning current arrester for Uc=255V; also available with remote signaling contact for the monitoring system (floating changeover contact).
Features
  • Discharge capacity up to 100 kA (10/350 µs)
  • Total current arrester specifically designed for installation in "3+1" and "1+1" circuits of TT systems according to IEC 60364-5-53 between neutral conductor N and protective conductor PE
  • Creepage discharge spark gap technology

Specifications

Brand

Approvals & Certifications

  • CE
  • KEMA
  • UL
  • VDE

Approvals & Certifications

  • SPD According to EN 61643-11 (Typical 1)
  • SPD According to IEC 61643-11 (Class I)

Current

  • Follow Current Extinguishing Capability: 100 Aᵣₘₛ
  • Lightning Impulse Current (10/350 µs): 100 KA (Specific Energy [W/R]: 2.50 MJ/ohms)

Electrical Connectors

  • Cross-Sectional Area: 10 mm² Solid/Flexible Minimum (N, PE, Ground)
  • Cross-Sectional Area: 50 mm² Stranded / 35 mm² Flexible, Maximum

Enclosure, Body Material

  • ThermoPlastic

Environmental Protection

  • IP20

Indication

  • Fault Indication / Operating State: Red/Green

Materials of Construction

  • 50 mm² Stranded: Copper

Mounting

  • 1.37" (35 mm) DIN Rails According to EN 60715

Operating Temperature

  • Parallel Connection: -40° to 80° C (-40° to 176° F)
  • Serial Connection: -40° to 60° C (-40° to 140° F)

Operating Voltages

  • Maximum

Response Time

  • ≤ 100 Nanoseconds

Voltage

  • Temporary Overvoltage (TOV) - Characteristic: 1,200 V / 200 milliseconds - Withstand
  • Voltage Protection Level: ≤ 1.5 kV

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