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Telebahn T1 for 3-phase TT ( 3+1 circuit)/TN-S System SPD for Black Panel Surge Arresters Box
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Summary
Adopting lightning current Class I+II SPD, it has hermetical GDT technology to combine "3+1" or "4+0" circuit, applied in three-phase TT or TN-S power supply system. Generally installing in door main distribution panel or cabinet. Designed according to IEC 61643-11; GB/T 18802.11.
Technical data
|
Type |
BT 5L BCM 255/100 3+1 |
|
Nominal a.c. voltage [UN] |
230V/400V~ |
|
Rated voltage (max. continuous voltage) [Uc] |
255V~ |
|
Total lightning impulse current (10/350) [Iimp](L1+L2+L3+N-PE) |
100kA |
|
Lightning impulse current (10/350) [Iimp] |
L-N:25kA N-PE:50kA |
|
Nominal discharge current (8/20) [In] |
50kA |
|
Max. discharge current (8/20) [Imax] |
75kA |
|
Voltage protection level at In [Up] |
L-N:≤ 1.8kV N-PE: 1.5kV |
|
Response time [tA] |
≤ 100ns |
|
Follow current extinguishing capability at Uc |
32A fuse will not be triggered at 2kArms 255V |
|
Max. back up fuse (L) [F] |
200A gL/gG |
|
Max. back up fuse (L-L’) [F] |
125A gL/gG |
|
TOV voltage |
335V/5sec |
|
Min. cross-sectional area |
10mm2 solid / flexible |
|
Max. cross-sectional area |
35mm2 solid / 50mm2 flexible |
|
Mounting on |
35mm DIN rail |
|
Enclosure material |
Purple (module) & light grey (base) thermoplastic, UL94-V0 |
|
Dimension |
8 mods (144mm) |
|
Test standards |
IEC 61643-11; EN 61643-11; GB/T 18802.11; TD/T 1235.1 |
|
Certification |
CE (LVD, EMC); RoHS |
|
Type of remote signalling contact |
Switching contact |
|
Switching capacity |
AC:250V/0.5A; DC:250V/0.1A;150V/0.2A;750V/0.5A |
|
Cross-sectional area for remote signalling contact |
Max. 1.5mm2 solid / flexible |
|
Ordering information |
|
|
Type |
BT 5L BCM 255/100 3+1 |
|
Art.-No. |
800 914 |
|
Packing unit |
1pc(s) |
