NDL6M-100 Series Residual Current Operated Circuit Breaker
Updated:July 17,2026 17:52PM
The NDL6M-100 Series residual current operated circuit breaker is rated at AC230/400V and is suitable for industrial and agricultural applications civil buildings energy communications and other fields.
2021 Quick Selection Guide »
Features of NDL6M-100 Series
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AC type: RCCB that ensures tripping for residual sinusoidal AC currents, whether suddenly applied or slowly rising.
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A type: RCCB that ensures tripping for residual sinusoidal AC currents and residual pulsating DC currents, whether suddenly applied or slowly rising.
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In addition to detecting leakage current, it can also be used to switch on, switch off, and isolate the entire circuit. It does not provide short-circuit or overload protection and must be used together with an upstream circuit breaker. It offers high anti-interference capability.
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The residual current operating function is independent of the main circuit voltage, providing more reliable performance.
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When the circuit breaker is normally switched off or trips due to fault protection, both the phase line and neutral line are disconnected, helping prevent injury caused by a live neutral line fault.
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During making and breaking operations, the neutral line makes first and breaks last, providing leakage protection.
Technology data of NDL6M-100 Series
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Parameter |
Specification |
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Rated operational voltage |
2P: AC230V; 4P: AC400V |
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Rated conditional short-circuit current Inc |
10000A |
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Mechanical and electrical life |
4,000 operations |
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Pollution degree / protection degree |
IP20 |
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Isolation function |
Yes |
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Wiring method |
Tunnel-type terminal, suitable for conductors up to 35mm² (35mm² cable and busbar can be connected at the same time) |
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Installation method |
TH35mm standard mounting rail |
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