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Power Surge Suppressors Single Phase Protection for TT System or TN System 230V 400V 255V T1+T2 AC 1P+N 50kA 100kA 200kA SPD
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Technical data
Combined Type |
BT BCM 50 RM/1+N |
|
Single module |
BT BCM 50 RM (*1P) |
BT BNM 100 (*1P) |
|
Nominal voltage a.c. [ UN ] |
230V |
|
|
Total lightning impulse current (10/350) [ Iimp ] [L+N - PE] |
100kA |
|
|
Rated voltage (max. continuous a.c. voltage) [ Uc ] [L-N / N-PE] |
255V |
255V |
|
Lightning impulse current (10/350) [ Iimp ] [L-N / N-PE] |
50kA |
100kA |
|
Nominal discharge current (8/20) [ In ] [L-N / N-PE] |
50kA |
100kA |
|
Max. discharge current (8/20) [ In ] [L-N / N-PE] |
100kA |
200kA |
|
Voltage protection level at In [ Up ] [L-N / N-PE] |
≤ 1.8kV |
≤ 1.5kV |
|
Follow current extinguishing capability at Uc [ If ] [L-N / N-PE] |
32A fuse will not be triggered at 10kArms 255V |
100Arms |
|
Response time [tA] [L-N / N-PE] |
≤ 25ns |
≤ 100ns |
|
TOV voltage [UT] [L-N / N-PE] |
355V / 5sec |
1200V / 200ms |
|
Max. back up fuse (L) [F] |
200A gL/gG |
|
|
Max. back up fuse (L-L') [F] |
125A gL/gG |
|
|
Operating temperature range [Tu] |
-40°C...+80°C |
|
|
Min. cross-sectional area |
10mm2 solid / flexible |
|
|
Max. cross-sectional area |
35mm2 solid / 50mm2 flexible |
|
|
Mounting on |
35mm DIN rail |
|
|
Enclosure material |
Light grey thermoplastic, UL94-V0 |
|
|
Dimension |
4 mods |
|
|
Test standards |
IEC 61643-1; EN 61643-1 |
|
|
Certification |
CE, RoHS, ISO9001:2015 |
|
|
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 BCM 50 RM/1+N |
|
|
Art.-No. |
801 015 |
|
|
Packing unit |
1pc(s) |
|
Hightlight Features
• 10/350μs, 8/20μs sparkgap, single-phase lightning surge arrester.
• Lightning impulse current withstand max.50kA (10/350μs) L-N,max.100kA (10/350μs) N-PE.
• Adopt hermetical GDT technology, high follow current extinguishing capacity.
• Extremely low voltage protection level.
• Double thermals for parallel or series (V-shape) connection.
• Multifunctional connection for conductors and busbars.
• Green light indicates functional mode (L-N).
Application environment
• Temperature: -40°C ~ +80°C
• Relative humidity: ≤ 95% (25°C)
Summary
BT BCM 50 RM/1+N is for installation at LPZ 0A-1 or higher, protecting low voltage equipment from surge damage. Applied in modular SPD Class I (Class B) for TN and TT (1+1 circuit) power supply system. mainly used in power supply system such as power distribution room, distribution cabinet and other important power supply system. Designed according to IEC 61643-11/EN 64643-11.
