Part - Leutron GmbH
Part - Leutron GmbH
Part - Leutron GmbH
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Power Engineering<br />
Class I+II+III (T1+T2+T3) Combined Arresters<br />
PowerPro BCD, TN-C, TN-S and TT Systems<br />
PowerPro BCD TT<br />
Combined modular multi-pole arrester for 3-phase TT and TN-S systems.<br />
• 4-pole; 3+1 N-PE<br />
• Optional remote signalling contact (FM)<br />
L1 L1' L2 L2' L3 L3'<br />
PE<br />
PE'<br />
Patented<br />
Patented<br />
Patented<br />
n<br />
n<br />
n<br />
11 12<br />
11 12<br />
11 12<br />
11 12<br />
N N N N<br />
Technical Data PP BCD TT 25/100 PP BCD TT 25/100-350<br />
Nominal alternating voltage (UN) 230/400 V~ 230/400 V~<br />
Max. continuous operating alternating voltage (Uc) 255 V~ 350 V~<br />
Insulation resistance (Risol) >10 GΩ >10 GΩ<br />
Protection level at 100% lightn. imp. sparkover voltage (1.2/50 µs) (Uas) ≤ 1.0 kV ≤ 1.0 kV<br />
Protection level at Iimp [L-N] (Up) ≤ 1.0 kV ≤ 1.0 kV<br />
Response time (tA)