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DB M 1 150 FM Current Arrester
Brand: DEHN, IncCoordinated 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
- SPD According to EN 61643-11 (Typical 1)
- SPD According to IEC 61643-1/-11 (Class I)
Approvals & Certifications
- CE
- CSA
- UL
- VDE
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