Features
- Adjustment of sensitivity of all arc sensors
- Internal self-diagnosis of the integrity of the arc sensors and microcircuits
- Setting up and reading data from the device via the USB port, including in the absence of operational power
- Implementation of current and voltage control
- Breaker function
- Special mode “Test”
- Event log entry
- Oscillography (Recording of oscillograms of illumination of each sensor)
- 2 types of device operation logic
- Protection against false positives
Applications
- Reduce the harm of arc light to human body;
- Reduce damage to equipment caused by arc short-circuit faults;
- Avoid transformer damage caused by bus failure;
- Protect the dc system in the station;
- Ensure the stable operation of power substations;
- Thermal power plant electrical section switchgear;
- Wind farm and photovoltaic station switchgear;
- Large municipal engineering project;
Specification
- Wide temperature range: – 40°С…+55°С
- MTBF: 320,000 hours
- Response time: < 1ms
- Output relays: 6 pcs
- The angular size of arc control sector: 360 degrees
- Number of arc sensors: 4 pcs
- Maximum sensor length: up to 25 m
- Minimum fixed arc current: 200 A
- Nominal threshold illumination of operation: up to 5,000 Lx
- Warranty: 7 years. Extended warranty option up to 15 years
- Full readiness time when power is turned on: no more than 0.2 s
- Sustained power interruptions: 1 s