An arc-fault circuit interrupter (AFCI) or arc-fault detection device (AFDD) is a circuit breaker that breaks the circuit when it detects the electric arcs that are a signature of loose connections in home wiring. Loose connections, which can develop over time, can sometimes become hot enough to ignite house fires. An AFCI selectively distinguishes between a harmless arc (incidental to normal operation of switches, plugs, and brushed motors), and a potentially dangerous arc (that can occur, for example, in a lamp cord which has a broken conductor).
AFCIs is needed. An AFCI is a product that is designed to detect a wide range of arcing electrical faults to help reduce the electrical system from being an ignition source of a fire. Conventional overcurrent protective devices do not detect low level hazardous arcing currents that have the potential to initiate electrical fires. It is well known that electrical fires do exist and take many lives and damage or destroy significant amounts of property. Electrical fires can be a silent killer occurring in areas of the home that are hidden from view and early detection. The objective is to protect the circuit in a manner that will reduce its chances of being a source of an electrical fire.
Trading Information
MOQ: 120pcs
Payment: T/T, L/C
Delivery time: 15-60 days
Loading Port: Ningbo or Shanghai, China
Certification: IEC/EN 62606 & IEC 61009-1
Logo: pad printing, laser printing (customized design are acceptable)
Technical Parameters
| Standard | IEC/EN 62606 & IEC 61009-1 |
| Rated current (In) | 6A, 10A, 16A, 20A, 25A, 32A, 40A |
| Trip curve | B, C, D |
| Model | Electronic |
| RCD Type | AC, A |
| Pole | 1P+N |
| Rate voltage (Ue) | 240V |
| Insulation voltage (Ui) | 500V |
| Rated frequency | 50Hz |
| Energy limiting class | 3 |
| Rated residual operating current (IΔn) | 30mA, 100mA, 300mA |
| Rated breaking capacity (Icn) | 6KA |
| Rated operating short circuit breaking capacity (Ics) | 6KA |
| Rated residual making and breaking capacity (IΔm) | 2000A |
| Rated impulse withstand voltage (Uimp) | 4KV |
| Surge current resistance / at (8/20) μs | 3KA |
| Overvoltage protection | 270V-300V |
| Electrical life | 4,000 |
| Pollution degree | 2 |
| Mechanical life | 20,000 |
| Protection degree | IP20 |
| Ambient temperature (with daily averages 35°C) | -25°C +40°C |
| Storage temperature | -25°C +70°C |
| Terminal connection type | Cable, busbar |
| Connection capacity (input) | 25mm2 |
| Connection capacity (output) | 16mm2 |
| Tightening torque (input) | 2.5Nm |
| Tightening torque (output) | 1.2Nm |
| 35mm DIN rail |
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