Part - Leutron GmbH
Part - Leutron GmbH
Part - Leutron GmbH
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Power Engineering<br />
Class I+II (T1+T2) Combined Arresters<br />
IsoPro BC, TN-C, TN-S and TT Systems<br />
IsoPro BC TNS<br />
Combined modular multi-pole arrester for 3-phase TN-S systems.<br />
• 4-pole<br />
• Optional remote signalling contact (FM)<br />
L1<br />
L1' L2<br />
L2' L3 L3'<br />
N<br />
N'<br />
PE 11 12 PE 11 12 PE 11 12<br />
PE 11 12<br />
Basic circuit diagram<br />
Technical Data IP BC TNS 60/100 IP BC TNS 60/100-350 IP BC TNS 25/100 IP BC TNS 25/100-350<br />
Nominal alternating voltage (UN) 230/400 V~ 230/400 V~ 230/400 V~ 230/400 V~<br />
Max. continuous operating alternating voltage (Uc) 255 V~ 350 V~ 255 V~ 350 V~<br />
Insulation resistance (Risol) >10 GΩ >10 GΩ >10 GΩ > 10 GΩ<br />
Protection level at 100% lightn. imp. sparkover voltage (1.2/50 µs) (Uas) ≤ 2.5 kV ≤ 2.5 kV ≤ 2.5 kV ≤ 2.5 kV<br />
Protection level at Iimp (10/350 µs) [L-PE] (Up) ≤ 2.5 kV ≤ 2.5 kV ≤ 2.5 kV ≤ 2.5 kV<br />
Response time (tA)
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