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Power Surge Protector SPD 2 Phases for TT System or TN System 120V 240V 255V T1 AC 2P+N 50kA/100kA/200kA Surge Arresters
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Technical Data
Type |
BT BCM 50 RM/2+N |
|
|
BT BCM 50 RM*2P |
BT BNM 100*1P |
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|
Nominal voltage a.c. [ UN ] |
120V/240V |
|
|
Rated voltage (max. continuous a.c. voltage) [ Uc ] [L-N / N-PE] |
255V |
255V |
|
Total lightning impulse current (10/350) [ Iimp ] [L1+L2+L3+N-PE] |
150kA |
|
|
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 |
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|
Max. back up fuse (L) [F] |
200A gL/gG |
|
|
Max. back up fuse (L-L') [F] |
125A gL/gG |
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Operating temperature range [Tu] |
-40°C...+80°C |
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Min. cross-sectional area |
10mm2 solid / flexible |
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Max. cross-sectional area |
35mm2 solid / 50mm2 flexible |
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Mounting on |
35mm DIN rail |
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Enclosure material |
Light grey thermoplastic, UL94-V0 |
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TOV voltage |
L-N:335V/5esc N-PE:1200V/200ms |
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Test standards |
IEC 61643-1; EN 61643-1; GB 18802.1 |
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|
Certification |
CE, RoHS, ISO9001:2015 |
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Type of remote signalling contact |
Switching contact |
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Switching capacity |
AC:250V/0.5A; DC:250V/0.1A;150V/0.2A;750V/0.5A |
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Cross-sectional area for remote signalling contact |
Max. 1.5mm2 solid / flexible |
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Ordering information |
||
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Type |
BT BCM 50 RM/2+N |
|
|
Art.-No. |
801 017 |
|
|
Packing unit |
1pc(s) |
|
Highlight Features
• 10/350μs, 8/20μs sparkgap, Two-phase lightning surge arrester.
• Lightning impulse current withstand max.50kA (10/350μs) L-N, max.150kA (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 busbar.
• Green light indicates power functional mode (L-N module).
Application environment
• Temperature: -40°C ~ +80°C
• Relative humidity: ≤ 95% (25°C)
Summary
BT BCM 50 RM/2+N is for installation at LPZ 0A-1 or higher, protecting low voltage equipment from surge damage. Applied in modular SPD Class I+II (Class BC) for TT ( “2+1” circuit) and TN 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 61643-1; EN 61643-11; GB/T 18802.1.
