For installation at LPZ 0A-1 or higher, protecting low voltage equipment against lightning and surge damages. Applied in SPD Class Ⅰ(Class B) for various power supply system. Designed according to GB 18802.1-2002 / IEC 61643-1:1998-02.
※ Adopt hermetical GDT technology, high follow current extinguish capability
※ Extremely low voltage protection level
※ Double terminals for parallel or series (V-shape) connection
※ Multi functional connection for conductor and busbars
|
Type
|
|
BT BC 25 |
|
Order No. |
|
800 002 |
|
Rated voltage (max. Continuous voltage) |
Uc
|
255V
|
|
Lightning impulse current (10/350) |
Iimp
|
25KA |
|
Max.discharge
current(8/20) |
In
|
100KA |
|
Voltage protection level |
Up
|
≤1.8KV
|
|
Follow current extinguishing capability at UC |
If
|
32A fuse will not be triggered at 2kArms |
|
Response time |
tA
|
≤100ns
|
|
Max. Backup fuse (L) |
|
200A gL / gG |
|
Max. backup fuse (L-L´) |
|
125A gL / gG |
|
TOV voltage |
UT
|
355V / 5sec |
|
Operating temperature range (parallel wiring) |
Uup
|
-40℃…+80℃
|
|
Operating temperature range (through wiring) |
Uus
|
-40℃…+60℃
|
|
Cross-section area |
|
35mm2 solid/50mm2 flexible |
|
Mounting on |
|
35mm DIN rail |
|
Enclosure material |
|
Purple thermoplastic , UL94-V0
|
|
Dimension
|
|
2 mods |
|
Test standards |
|
YD/T 1235.1-2002; GB 18802.1-2002; IEC 61643-1:1998-02 |
|
Certification
|
|
CE (LVD, EMC)
|

