|
|
|
|
| BY2-30/2.5 |
BY2-60/2.5 |
BY2-60/4.0 |
| Specificaton |
| Type
|
Uc (v)
|
Peak (kV)
|
Q (As)
|
Up (kV)
|
Ip(kA)
|
| BY2-30/2.5 |
385 |
30 |
15 |
<2.5 |
4.5 |
| BY2-30/4.0 |
385 |
30 |
15 |
<4.0 |
4.5 |
| BY2-60/2.5 |
385 |
60 |
30 |
<2.5 |
6.0 |
| BY2-60/4.0 |
385 |
60 |
30 |
<4.0 |
6.0 | |
| Usage and the Scope of Application |
| BY2 type SPD is suiting to A.C 50/60 Hz , 380V and the following electric power systems, such as TT , IT ,TN-S , TN-C and TN-C-S . The product functions as equi-potential connection in case of lightning striking at the joint of LPZOA and LPZ1 or LPZOS and LPZ1. It protects the electric network shocked by the thunder or surge over voltage and it also can be used in the TT system when combined with the voltage limiting SPD formed as the " 3+1 "type. |
| Technical Parameters |
|
BY2-30/2.5 |
BY2-30/4.0 |
BY2-60/2.5 |
BY2-60/4.0 |
| Maximum continuous operating voltage Uc |
385V AC |
385V AC |
385V AC |
385V AC |
| Power frequency arcing voltage Uf |
> 1.0kV |
> 1.5kV |
> 1.0kV |
> 1.5kV |
| Test grade |
Class ? |
Class ? |
Class ? |
Class ? |
| Insulating resistance (Risol) |
> 5 M O |
> 5 M O |
> 5 M O |
> 5 M O |
| Voltage protective level Up |
< 2.5 kV |
< 4.0 kV |
< 2.5 kV |
< 4.0 kV |
| Response time ns |
< 100 ns |
< 100 ns |
< 100 ns |
< 100 ns |
|
Impulse peak current |
30 kA |
30 kA |
60 kA |
60 kA |
| Electric charge Q |
15As |
15As |
30As |
30As |
| Nominal discharge current In(8/20 µ s) kA |
100 kA |
100 kA |
200 kA |
200 kA |
| Rated disconnection follow current ＆#118alue Ip |
4.5kA/250V |
4.5kA/250V |
6.0kA/250V |
6.0kA/250V |
| The rated current of fuse |
125A |
125A |
250A |
250A |
| Defending grade |
IP20 |
IP20 |
IP20 |
IP20 | |
| Main Structure and Operating Principle |
| In figure 6, the electrodes are connected to the L /N line and PE line responsively , between the electrodes there will produce the electric interval . In normal situation , the protective device is high resistance , when the over voltage brings for electric network shocked by thunder or other reasons , the protective device will rapidly conduct and release the energy by arc light .As the impulse wave through it and after disappear, the protective device will recover to high resistance and not influence the normal operating . |
| Appearance and Installation Dimension |
 |
| Installation Location and Application |
SPD Class 1 ,functioning as an equi-potential connection in case of lightning.
Installed at the joint of the LPZOA, LPZOB and LPZ1 zones.
It is usually installed in low voltage main distribution cabinet connected to the incoming end of the buildings.
It adopts 35 mm DIN rail and is linked by 2.5 -- 35 mm² copper wire, the earth cable should choose the double color wire which is over 4 mm². |
