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DG M TT 2P 275 Surge Arrester
Brand: DEHN, IncApplication-optimized and prewired combined lightning current and surge arrest for single-phase TT and TN-S systems ("1+1" circuit).
Features- Prewired complete unit consisting of a base part and plug-in protection modules
- High discharge capacity due to heavy-duty zinc oxide varistors / spark gaps
- High reliability due to "Thermo Dynamic Control" SPD monitoring device
Specifications
Brand
Approvals & Certifications
- SPD According to EN 61643-11 (Typical 2)
- SPD According to IEC 61643-11 (Class II)
Approvals & Certifications
- CE
- KEMA
- UL
- VDE
- VDS
Current
- Follow Current Extinguishing Capability [N-PE]: 100 KAᵣₘₛ
- Lightning Impulse Current (10/350 µs) [N-PE]: 12 KA
- Maximum
- Nominal Discharge Current (8/20 µs): 20 KA
- Short-Circuit withstand Capability For, Max.
Electrical Connectors
- Cross-Sectional Area: 1.5 mm² Solid/Flexible Min.
- Cross-Sectional Area: 35 mm² Stranded / 25 mm² Flexible, Max.
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
- -40° to 80° C (-40° to 176° F)
Operating Voltages
- Maximum
Response Time
- [L-N]: ≤ 25 Nanoseconds
- [N-PE]: ≤ 100 Nanoseconds
Voltage
- Nominal Voltage: 230 Vac (50/60 Hz)
- Temporary Overvoltage (TOV) [L-N] - Characteristic: 335 V / 5 seconds - Withstand
- Temporary Overvoltage (TOV) [L-N] - Characteristic: 440 V / 120 minutes - Safe Failure
- Temporary Overvoltage (TOV) [N-PE] - Characteristic: 1,200 V / 200 milliseconds - Withstand
- Voltage Protection Level [L-N] & [N-PE]: ≤ 1.5 kV
- Voltage Protection Level [L-N] at 5 KA: ≤ 1 kV