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M40B series power lightning arrester
Adopting standard modular design, easy installation and maintenance; Small leakage current and change rate, low residual voltage, large current capaci
Product details
basic descriptionBasic description-Heavenly Shield-
The M40B series products are mainly used for C-level protection in power distribution systems, to protect electrical and electronic equipment from the effects of lightning electromagnetic pulse induced voltage, transient operation, and harmonic (<100 µ s) overvoltage. They are widely used in power protection in communication equipment, electrical, electrical, power equipment, security monitoring, transportation, industrial control, aviation and other fields. This series of products has the characteristics of particularly fast response time, low residual pressure, and timely tripping, and the flame retardant level reaches V-0 level, which maximizes the prevention of fires and plays a role in safety protection.
Application scenariosApplication scene-Heavenly Shield-
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01Used for low voltage (220/380VAC) industrial and civilian power grids;
02In the power system, it is mainly used for the input or output terminals of three-phase power supply in the power supply panel of the automation room and the main control room of the substation;
03Suitable for power protection in distribution rooms, distribution cabinets, switchgear, AC/DC distribution panels and other systems.
Technical Parametertechnical parameter-Heavenly Shield-
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Indicators |
M40B2 |
M40B1+N |
M40B3 |
M40B4 |
M40B3+N |
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Nominal operating voltage (Un) |
380VAC/single-phase 220V AC |
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Maximum continuous operating voltage (Uc) |
385V AC |
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Nominal discharge current (In) |
20kA |
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Maximum current capacity (Imax) |
40kA |
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Protection level (Up) |
1.7kV |
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Maximum backup fuse strength |
63A |
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Response time (Ta) |
M40B |
25ns |
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NPE40 |
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100ns |
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100ns |
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External dimensions |
90*36*65mm |
90*54*65mm |
90*72*65mm |
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Working environment |
Temperature -40~+85 ℃, relative humidity ≤ 95% (25 ℃) |
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Protection level |
IP20 |
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installation diagraminstallation diagram-Heavenly Shield-
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M40B1+N wiring diagram
M40B4 (M40B3 without neutral N-PE module) wiring diagram
M40B3+N wiring diagram
M40B2 Wiring Diagram
Product dimension diagramProduct size map-Heavenly Shield-
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