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Surge Protective Device Description 
Surge Protective Device Data
Type/System protection |
BT P BCM12.5 150 RM/4P (TN-S/TT System) |
BT P BCM12.5 275 RM/4P (TN-S/TT System) |
BT P BCM12.5 320 RM/4P (TN-S/TT System) |
BT P BCM12.5 385 RM/4P (TN-S/TT System) |
|
Nominal a.c. voltage [UN]( 50/60Hz ) |
120V240V |
230V400V |
230V400V |
230V400V |
|
Rated voltage (max. continuous voltage) [Uc]( 50/60Hz ) |
150V |
275V |
320V |
385V |
|
Total Lightning impulse current (10/350μs) [Iimp] |
50kA |
50kA |
50kA |
50kA |
|
Lightning impulse current (10/350μs) [Iimp] |
12.5kA |
12.5kA |
12.5kA |
12.5kA |
|
Nominal discharge current (8/20μs) [In] |
30kA |
30kA |
30kA |
30kA |
|
Max. discharge current (8/20) [Imax] |
60kA(Also passed 65kA) |
60kA(Also passed 65kA) |
60kA(Also passed 65kA) |
60kA(Also passed 65kA) |
|
Voltage protection level at In [Up] |
≤ 1.0kV |
≤ 1.3kV |
≤ 1.5kV |
≤ 1.8kV |
|
Response time [tA] / Place of Installation |
≤ 25ns / Indoor |
≤ 25ns / Indoor |
≤ 25ns / Indoor |
≤ 25ns / Indoor |
|
Follow current extinguishing capability at Uc / Temporary overvoltage test value(UT ) / Admissible short-current [Isccr] |
100Arms, 355V/5sec, 25kA |
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|
Max. back up fuse [F] / Degree of Protection |
160A gL/gG, IP 20 |
|||
|
Operating temperature range [Tu] / Number of Ports |
-40°C...+80°C / 4 Poles |
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|
Cross-sectional area |
1.5mm2 ~ 25mm2 solid /35mm2 flexible |
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|
Mounting on / Specific energy(W/R) |
35mm DIN rail, According to EN 60715, 39.06kJ/ohms |
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|
Enclosure material / Follow current(If) / Total discharge current (8/20μs) [Itotal] |
Light grey thermoplastic, UL94-V0 / 1000A / 100kA |
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|
Dimension / According to IEC 61643-11/EN 61643-11 |
4 mods(72mm wide) , Class I+II (class 1+ 2/ B+C) / Type 1+2 |
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|
Test standards |
IEC 61643-11; EN 61643-11; GB18802.11 |
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|
Certification |
TUV,CB, CE (LVD, EMC);RoHS |
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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 P BCM12.5 150 RM/4P |
BT P BCM12.5 275 RM/4P |
BT P BCM12.5 320 RM/4P |
BT P BCM12.5 385 RM/4P |
|
Art.-No. |
801 421 |
801 422 |
801 423 |
801 424 |
|
Packing unit |
1pc(s) |
1pc(s) |
1pc(s) |
1pc(s) |
Surge Protective Device Features
• Pluggable module, for three-phase TT( “3+1” circuit) or TN-S ( “4+0” circuit) system.
• High discharge capacity, quick response.
• Double thermal disconnector devices, providing more reliable protection.
• Green windows will change to red when fault and also provide remote alarm control at the same time.
• Surge protection device has passed TUV certification.
Surge Protective Device Summary
BT P BCM12.5 275 RM/4P surge protective device is for installation at LPZ 0A-2 or higher, protecting low voltage equipment from surge damage. Applied in modular SPD Class I+II (Class B+C) for three-phaseTT(3+1 circuit) / TN-S (4+0 circuit) power supply system. Designed according to IEC 61643-11/EN 61643-11/GB18802.11.
