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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)

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