AFR-M Hot Sale Arc Flash Protection Relay Sensor Arc fault detection for power substation
Inquire NowDescription
The AFR-M Hot Sale Arc Flash Protection Relay Sensor is a crucial device designed for the detection of arc faults within power substations. This advanced sensor plays a vital role in safeguarding both equipment and personnel from the dangers associated with electrical arcs. It operates by continuously monitoring critical parameters such as current, voltage, and electric power, enabling it to swiftly disconnect the power supply before any potential electrical fire can occur, thereby significantly reducing fire risks.
This relay is expertly engineered for use in medium to high voltage power distribution systems, including control cabinets, transformers, generators, and motors. Utilizing a dual-criteria approach that combines arc light detection with overcurrent detection, it ensures rapid protection responses and high reliability.
Key Features:
- Complete digital design with a straightforward operating principle.
- Robust electrical performance tailored for demanding environments.
- Comprehensive fault information recording capabilities.
- High reliability through dual-criteria protection mechanisms.
- Resistant to electromagnetic interference via optical fiber transmission.
- Programmable logic for trip exit and swift fault clearing times.
Applications:
- Minimizing human exposure to arc light hazards.
- Reducing equipment damage due to arc-related short circuits.
- Preventing transformer damage from bus failures.
- Protecting DC systems within substations.
- Ensuring stable operation in power substations.
- Used in thermal power plant electrical switchgear.
- Applicable in wind farm and photovoltaic station switchgear.
- Ideal for large municipal engineering projects.
Specifications
| Attribute | Details |
|---|---|
| Power Supply | AC/DC 85 ~ 265V |
| Consumption | ≤ 8W |
| Current Rated | 5A/1A |
| Measurement Range | Protection current: 0~20 |
| Electrical Parameters Tolerance | Protection current: ≤ 2%, Protection frequency: 0.1Hz |
| Arc Signal Input | 12-48 channels (optional), Optical fiber sensor, Visible light/UV light (optional) |
| Relay Output Channels | 9 channels |
| Operating Voltage | AC250V/8A |
| Isolation Method | Photoelectric isolation, isolation voltage 2500V |
| Action Time Tolerance | Pure arc protection: ≤10ms, Double criterion protection: ≤20ms |
| RS485 Communication | Interface: RS485 (one standard, two optional) |
| Ethernet Communication | 2-way Ethernet optional, 10M/100M adaptive |
| 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 |
Additional Information
Electromagnetic Compatibility:
| Item | Standard |
|---|---|
| Electrostatic Discharge Test | GB/T 14598.14-2010, Level-4 |
| Fast Transient Dry Resistance Test | GB/T 14598.10-2007, Level-A |
| 1MHz Burst Interference Test | GB/T 14598.13-2008, Level-3 |
| Surge Immunity Test | GB/T 14598.9-2010, Level-3 |
| Conducted Disturbance Immunity Test | GB/T 14598.18-2007 |
