Industrial split type fault arc detector

1.Industrial split type fault arc detectorOverview

AAFD-DUMulti circuit fault arc detectorThe centralized display unit performs unified detection of fault arc sensors in the access line. Fault arc sensors can effectively detect fault arcs (including fault parallel arcs and fault series arcs). When a fault arc that causes a fire is detected in the line, the display unit can provide on-site sound and light alarms and transmit the alarm information to the electrical fire monitoring equipment. The centralized display unit can simultaneously monitor and manage fire hazard parameters such as residual current and wire temperature in the distribution circuit.

AAFD-DUMulti circuit fault arc detectorThe centralized display unit is suitable for electrical circuits of 10KW and below in industrial and civil buildings, and its protective circuit length should not exceed 100 meters. The product complies with the national standard GB 14287.4-2014 and can be applied to nursing homes, schools, commercial buildings, hotels, factories, warehouses, libraries, offices, residential homes, and entertainment venues.

2. Technical parameters

Table 1 Technical Parameters of Fault Arc Centralized Display Unit

Table 2 Technical Parameters of Fault Arc Sensor

3. Installation and wiring

Fault arc centralized display unit, appearance and installation dimensions (unit)mm）

Figure 1 Size diagram of fault arc centralized display unit

AAFD-DU-M7Fault arc sensor,Appearance and installation dimensions (units)mm）

Figure 2 Dimension diagram of AAFD-DU-M7 fault arc sensor

AAFD-DU-M12Fault arc sensor,Appearance and installation dimensions (units)mm）

Figure 3 Dimension diagram of AAFD-DU-M12 fault arc sensor

Industrial split type fault arc detectorFunction:

• Fault arc detection：

• By using high-performance hardware platforms and intelligent analysis algorithms, it is possible to accurately identify abnormal features of current waveforms, such as flat shoulders, high-frequency harmonics, and sudden peak changes. Multiple feature criteria are used to comprehensively identify whether it is a fault arc and whether it meets the arc threshold alarm conditions that cause fire safety hazards.

• Real time monitoring of fault arcs in the circuit. Once abnormal arc signals are detected, sound and light alarm signals are immediately issued to take timely measures and prevent accidents such as fires.

• Multi parameter monitoring：

• Monitor multiple parameters such as current, voltage, power, and electrical energy, provide comprehensive electrical safety monitoring data, and help users discover and handle potential problems in a timely manner.

• Alarm and Communication：

• Support multiple communication protocols (such as RS-485, dual bus, NB-IOT, 4G, etc.), achieve seamless integration with the upper computer, and have remote monitoring function.

• The alarm information can be transmitted to the monitoring platform or electrical fire monitoring equipment to achieve the purpose of early warning of fire occurrence.

• Event recording and statistics：

• Support event recording function, which can record alarm events, power outage events, self check events, etc., without losing data during power outages.

• It can count the number of arc, overvoltage, overload, leakage, and overtemperature alarms, providing a basis for fault analysis and decision-making.