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Power Engineering Class II (T2) Surge Arresters, leakage-current free EnerPro C, TN-C, TN-S and TT Systems EnerPro C TN 275-D Compact and leakage-current free 2-pole surge arrester with looped-in wiring, e.g. for the protection of TN systems by applying only one module in the subdistribution board. • Monitoring of conductor and arrester Basic circuit diagram Technical Data EP C TN 275-D Nominal alternating voltage (UN) 230 V~ Max. continuous operating alternating voltage (Uc) 275 V~ Max. acceptable fuse or back-up fuse 16 A gL/gG A Protection level at 5 kA (Up) ≤ 1.0 kV Protection level at In (8/20 µs) (Up) ≤ 1.4 kV Response time (tA) < 50 ns Nominal discharge current (8/20 µs) (In) 15 kA Max. impulse discharge current (8/20 µs) (Imax) 40 kA Operating temperature range (TU) -40 – +80 °C Max. conductor cross section 35 mm² stranded / 25 mm² fine-stranded Recommended conductor cross section 16 mm² Max. connection torque for terminals 4.5 Nm Enclosure material / colour polycarbonate (halogen-free) UL94-V0 / yellow Degree of protection (IEC EN 60529) IP 20 Mounting on 35 mm DIN rail (DIN EN 50 022) Net weight / pc 320 g Order Data Product EP C TN 275-D Ordering part no. 38 12 52 82 <strong>Leutron</strong> <strong>GmbH</strong> · Humboldtstrasse 30 · 70771 Leinfelden-Echterdingen · Germany · Phone +49 711 94771-0 · www.leutron.de
Power Engineering Class II (T2) Surge Arresters, leakage-current free EnerPro C, TN-C, TN-S and TT Systems EnerPro C TN 75 Leakage-current free 2-pole surge arrester with LED indicator, e.g. for a TN system up to 75 V ac • Optional remote signalling contact (FM) • Monitoring of conductor and arrester L N q q q 2 PE 11 12 FM Basic circuit diagram Technical Data EP C TN 75 Nominal alternating voltage (UN) 60 V~ Max. continuous operating alternating voltage (Uc) 75 V~ Max. acceptable fuse or back-up fuse 125 A gL/gG A Protection level at 5 kA (Up) ≤ 0.3 kV Protection level at In (8/20 µs) (Up) ≤ 0.55 kV Response time (tA)
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