19.08.2013 Views

Catalog Add On: BETA Low-Voltage Circuit Protection ...

Catalog Add On: BETA Low-Voltage Circuit Protection ...

Catalog Add On: BETA Low-Voltage Circuit Protection ...

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

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 />

I <br />

L I<br />

$<br />

"<br />

<br />

!<br />

Current limitation diagram<br />

) <br />

?<br />

$<br />

"<br />

$<br />

"<br />

$<br />

"<br />

$<br />

"<br />

$<br />

"<br />

$<br />

"<br />

$<br />

"<br />

$<br />

"<br />

"<br />

!<br />

<br />

"<br />

!<br />

"<br />

" $ &<br />

$<br />

& " $<br />

)<br />

$ )<br />

# )<br />

)<br />

& )<br />

$ ! )<br />

# )<br />

$ Peak short-circuit current with largest DC component<br />

% Peak short-circuit current without DC component<br />

& !<br />

"<br />

A BB ) <br />

)<br />

$ )<br />

# )<br />

)<br />

& )<br />

$ ! )<br />

# )<br />

! " $ & " " $ & #<br />

A BB ) <br />

"<br />

$<br />

© Siemens AG 2007<br />

&<br />

1 $ " " =<br />

"<br />

1 $ " =<br />

Melting I 2 t s values diagram<br />

I ) I <br />

$<br />

"<br />

$<br />

"<br />

$<br />

"<br />

$<br />

"<br />

$<br />

"<br />

$<br />

"<br />

&<br />

%<br />

$<br />

#<br />

"<br />

!<br />

"<br />

$<br />

<strong>BETA</strong> Protecting<br />

<strong>Low</strong>-<strong>Voltage</strong> Fuse Systems<br />

& ! " $<br />

I<br />

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 />

&<br />

I<br />

"<br />

I<br />

"<br />

! I<br />

$<br />

" I<br />

$ )<br />

# )<br />

)<br />

& )<br />

$ ! )<br />

# )<br />

& # "<br />

A BB ) <br />

$<br />

)<br />

&<br />

1 $ " ! ><br />

$<br />

3/23<br />

1<br />

2<br />

3<br />

4<br />

5<br />

6<br />

7<br />

8<br />

9<br />

10<br />

11<br />

12<br />

13<br />

14<br />

15<br />

16<br />

17

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!