 
| BY1-C/2-320-20 |
BY1-C/4-420-20 |
BY1-C/4-420-20B |
Usage And The Scope Of Application
BY1 series surge protective device (SPD) is suitable for AC 50/60 Hz.380V and the following electric power system ,such as TT,IT,TN-S,TN-C and TN-C-S.It is the product for protecting electric net shocked by the thunder or over voltage.
Technical Parameter
|
Type |
| BY1-C/¡õ-140-15 |
BY1-C/¡õ-275-20 |
BY1-C/¡õ-320-20 |
BY1-C/¡õ-385-20 |
BY1-C/¡õ-420-20 |
BY1-C/¡õ-550-20 |
| Maxi continuous operating volt. Uc¡« |
140V |
275V |
320V |
385V |
420V |
550V |
| Volt protection level Up< |
0.8kV |
1.2kV |
1.5kV |
2.5kV |
2.5kV |
2.5kV |
| Nominal discharge current In(8/20¦Ìs)kA |
15 |
20 |
20 |
20 |
20 |
20 |
| Maxi discharge current Imax(8/20¦Ìs)kA |
40 |
40 |
40 |
40 |
40 |
40 |
| Response time ns |
<25 |
| Width mm |
18 |
| Colour |
grey |
| Protection level |
IP20 |
| Shell material |
enforce anti- flame PBT |
| Fuse Or Switch £¨A£© |
25-32A |
| Connect ways |
L ,N |
2.5-35mm2 |
| Earthing |
4.0-45mm2 |
| Signal line |
1.5mm2 |
|
