Part - Leutron GmbH
Part - Leutron GmbH
Part - Leutron GmbH
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Power Engineering<br />
Class I (T1) Lightning Current Arresters<br />
PowerPro B TN-C, TN-S, TN, TT and IT Systems<br />
PowerPro B TNS 440<br />
Modular multi-pole lightning current arrester for 3-phase TN-S systems with<br />
400/690 V.<br />
• Optional remote signalling contact (FM)<br />
L1 L1' L2 L2' L3 L3'<br />
N<br />
N'<br />
Patented<br />
Patented<br />
Patented<br />
Patented<br />
n<br />
n<br />
n<br />
n<br />
PE<br />
11 12<br />
PE<br />
11 12<br />
PE<br />
11 12<br />
PE<br />
11 12<br />
Basic circuit diagram<br />
Technical Data PP B TNS 440<br />
Nominal alternating voltage (UN) 400/690 V~<br />
Max. continuous operating alternating voltage (Uc) 440 V~<br />
Insulation resistance (Risol)<br />
>10 GΩ<br />
Protection level at 100% lightn. imp. sparkover voltage (1.2/50 µs) (Uas) ≤ 4.0 kV<br />
Protection level at Iimp [L-PE] (Up)<br />
≤ 4.0 kV<br />
Response time (tA)<br />
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