Arc protection relays are mainly used to detect arc faults in electrical systems and protect equipment and personnel in electrical systems from arc faults. Arc protection relays can detect arcs by monitoring parameters such as current, voltage, and electric power, and quickly disconnect the power supply before an electrical fire occurs, thereby reducing the risk of fire.
Arc protection relays are usually used in medium and high-voltage power distribution systems, control cabinets, transformers, generators, motors and other electrical equipment. They adopt the dual-criteria principle of arc light detection and overcurrent detection and have the characteristics of fast protection action and high reliability.
* Complete digital design, simple principle;
* Strong electrical performance;
* Comprehensive record of fault information;
* Double criterion of over-current and arc, high reliability;
* Optical fiber transmits, strong electromagnetic interference resistance;
* Programmable logic of trip exit;
* Fast exit tripping, short total fault clearing time.
-. Power supply
AC/DC85 ~ 265V
-. Consumption
≤ 8W
-. Current input
| Current rated : |
5A/1A |
| Measurement range: |
protection current: 0~20In |
| Consumption: |
≤ 5VA |
-. Electrical parameters tolerance
| Protection current: |
≤ 2% |
| Protection frequency: |
0.1Hz |
-. Arc signal input
| Channels number: |
12-48 channels (optional) |
| Sensor type: |
Optical fiber |
| Detect light type: |
Visible light/UV light (optional) |
-. Relay output
| Channels number: |
9 channels |
| Operating Voltage: |
AC250V/8A |
| Input method: |
Passive contact |
| Isolation method: |
Photoelectric isolation, isolation voltage 2500V |
| Relay action cycle: |
<4ms |
-. Digital input
| Channels number: |
16 channels |
| Operating Voltage: |
220Vdc |
| Input method: |
Wet contact |
| Isolation method: |
Photoelectric isolation, isolation voltage 2500V |
| |
|
Note: Optional passive node (confirm before order)
-. Action time tolerance
Pure arc protection: ≤10ms
Double criterion protection: ≤20ms
-. RS485 communication
| Interface: |
RS485 (one standard, two optional) |
| Isolation type: |
photoelectric isolation, lightning protection |
| Baud rate: |
9600bps |
| Protocol: |
Modbus |
-. Ethernet communication
| Interface: |
2-Way Ethernet optional |
| Network parameters: |
10M/100M adaptive |
| Default IP: |
192.168.12.2/192.168.13.2 |
| Standard: |
IEC60870-5-103 |
-. Environment
| Working environment: |
-10 ~ 55°C/ < 93% RH (Non-condensing) |
| Storage environment: |
-30 ~ 70°C/ < 70% RH (Non-condensing) |
| Relative humidity: |
5%~ 95% |
| Atmospheric pressure: |
60kPa ~ 106kPa |
-. Electromagnetic compatibility
| Item |
Standard |
| Electrostatic discharge test: |
IEC 60255-22-2:2008. level-4 |
| Fast transient dry resistance test: |
IEC 60255-22-4:2008. level-A |
| 1mhz burst interference test: |
IEC 60255-22-1-2007. level-3 |
| Electrical disturbance test: |
IEC 60255-22-2:2008.level-3 |
| Surge immunity test: |
IEC 60255-22-5:2008 |
Audited Supplier 
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