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DB M 1 150 FM Current Arrester

Brand: DEHN, Inc

Coordinated modular single-pole lightning current arrest with high follow current limitation; with remote signaling contact for the monitoring system (floating changeover contact).
Features
  • Coordinated spark-gap-based lightning current arrester consisting of a base part and plug-in protection module
  • Maximum system availability due to RADAX Flow follow current limitation
  • Without additional cable length directly coordinated with DEHNguard surge protective device

Specifications

Brand

Approvals & Certifications

  • CE
  • CSA
  • UL
  • VDE

Approvals & Certifications

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

Current

  • Follow Current Extinguishing Capability AC: 50 KAᵣₘₛ
  • Follow Current Limitation/Selectivity: No Tripping of a 32 A GL/gG Fuse up to 50 KAᵣₘₛ (Prospective)
  • Lightning Impulse Current (10/350 µs), Nominal Discharge Current (8/20 µs): 35 KA (Specific Energy [W/R]: 306.25 KJ/ohms)

Electrical Connectors

  • Cross-Sectional Area (L/N, L' / N', N/PE (N)]: Min. 10 mm² Solid/Flexible
  • Cross-Sectional Area [(L/N, N/PE (N)]: Max.
  • Cross-Sectional Area [L' / N']: Max.
  • Cross-Sectional Area for Remote Signalling Terminal: Max.

Electrical Contacts

  • Typical of Remote Signalling Contact: Changeover Contact

Electrical Rating

  • AC Switching Capacity: 250 V / 0.5 A
  • DC Switching Capacity: 125 V / 0.2 A
  • DC Switching Capacity: 250 V / 0.1 A
  • DC Switching Capacity: 75 V / 0.5 A

Enclosure, Body Material

  • Thermoplastic

Environmental Protection

  • IP20

Indication

  • Fault Indication / Operating State: Red/Green

Mounting

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

Operating Temperature

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

Operating Voltages

  • Maximum

Response Time

  • ≤ 100 Nanoseconds

Voltage

  • Temporary Voltage (TOV) - Characteristic: 200 V / 5 seconds - Withstand
  • Voltage Protection Level: ≤ 1.5 kV
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