Real-time current monitoring
Monitors three-phase currents in real time and accurately calculates and detects earth faults.
TEDAŞ-MLZ/2002–043.B
24 / 110 VDC
50–1000 A
Fault indicator (AGD)
A device that detects faults in electrical or electronic systems and notifies the user. It measures phase currents from three current transformers connected to underground network cables and calculates the earth current.
Operating principle
Detects phase and earth faults separately
It measures phase currents from three current transformers connected to underground network cables and calculates the earth current. If the measured phase current exceeds the threshold for the set duration, a fault is detected.
When a fault is detected, the display shows which phases or the earth are affected. In all fault conditions, the fault indicator flashes and the contacts operate. If the fault clears before the automatic reset time expires and stays clear for 3 seconds, the device returns to normal.
Flashing visual alert
Gives a flashing visual alert and operates the contacts in case of a fault.
Automatic reset
Adjustable current and time thresholds with automatic return to normal operation.
Fault log
Stores the last 100 faults in real time with day/month/year information.
Technical data
Specification values andkey features
Technical specifications
- Operating voltage
- 24 VDC / 110 VDC
- Phase current threshold
- 50 – 1000 A
- Earth current threshold
- 20 – 700 A
- Fault detection time
- 40 – 500 ms
- Number of fault records
- 100 records
- Specification
- TEDAŞ-MLZ/2002–043.B
Key features
- Monitors three-phase currents in real time
- Accurately calculates and detects earth faults
- Offers adjustable current and time thresholds
- Indicates phase and earth faults separately
- Gives a flashing visual alert on fault
- Provides relay contact output for alarm and remote monitoring
- Can return to normal operation with automatic reset
- Designed for underground cable networks
- Reliable operation with low maintenance requirements
- Suitable for industrial and distribution networks
- Stores the last 100 fault records in real time with dates in day/month/year format
Values are shared for information purposes and may vary. Production with different values is possible. For details, contact us.
From the same category
Rectifiers and MV equipment category
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