Catalog Add On: BETA Low-Voltage Circuit Protection ...
Catalog Add On: BETA Low-Voltage Circuit Protection ...
Catalog Add On: BETA Low-Voltage Circuit Protection ...
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Series 3NA3 1..-6, 3NA6 1..-6, 3NA7 1..-6<br />
Size: 1<br />
Operational class: gG<br />
Rated voltage: 690 V AC/440 V DC<br />
Rated current: 50 ... 200 A<br />
Time/current characteristic curves diagram<br />
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Current limitation diagram<br />
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<strong>BETA</strong> Protecting<br />
<strong>Low</strong>-<strong>Voltage</strong> Fuse Systems<br />
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Siemens ET B1 AO · 2008, Characteristic curves<br />
LV HRC fuse links<br />
Type I n P v ∆ϑ I 2 t s<br />
1ms 4ms<br />
A W K A 2 s A 2 s<br />
3NA3 120-6, 3NA6 120-6, 3NA7 120-6 50 6.7 21 440 7400<br />
3NA3 122-6, 3NA6 122-6, 3NA7 122-6 63 7.6 22 7600 10100<br />
3NA3 124-6, 3NA6 124-6, 3NA7 124-6 80 6.7 22 13500 17000<br />
3NA3 130-6, 3NA6 130-6, 3NA7 130-6 100 8.7 28 21200 30500<br />
3NA3 132-6, 3NA6 132-6, 3NA7 132-6 125 10.5 29 36000 50000<br />
3NA3 136-6, 3NA6 136-6, 3NA7 136-6 160 13.8 33 58000 85000<br />
3NA3 140-6, 3NA6 140-6, 3NA7 140-6 200 16.6 35 132000 144000<br />
Type I 2 t a<br />
230 V AC 400 V AC 690 V AC<br />
A 2 s A 2 s A 2 s<br />
3NA3 120-6, 3NA6 120-6, 3NA7 120-6 9100 11200 1900<br />
3NA3 122-6, 3NA6 122-6, 3NA7 122-6 13600 17000 24000<br />
3NA3 124-6, 3NA6 124-6, 3NA7 124-6 24300 32000 55000<br />
3NA3 130-6, 3NA6 130-6, 3NA7 130-6 42400 52000 75000<br />
3NA3 132-6, 3NA6 132-6, 3NA7 132-6 69500 82200 130000<br />
3NA3 136-6, 3NA6 136-6, 3NA7 136-6 120000 155000 223000<br />
3NA3 140-6, 3NA6 140-6, 3NA7 140-6 211000 240000 360000<br />
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