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General| Frequency | 50/60 Hz |
|---|---|
| Rated Current | 1A / 5A |
| Binary Outputs | Up to 8 |
| Communication Ports | RS485, Ethernet |
| Communication Protocols | IEC 60870-5-103 |
| Protection Functions | Overcurrent, Earth fault, Under/over voltage, Frequency |
| Storage Temperature | -40°C to +70°C |
| Humidity | Up to 95% non-condensing |
| Standards | IEC 60255, IEC 61000 |
| Operating Voltage | 24-250 VDC, 48-240 VAC |
Ensures proper installation and handling for safe operation, emphasizing qualified personnel.
Explains symbols used on equipment and in documentation for safe installation and commissioning.
Details procedures for safe installation, commissioning, and servicing, including electrical isolation and ESD precautions.
Outlines procedures for safely discharging capacitors and proper disposal of equipment, adhering to regulations.
Covers protective fuse rating, protective class, installation category, and environmental limits as per standards.
Explains relay sensitivity to ESD and precautions for handling modules to prevent damage.
Details front panel layout including LCD, keypad, LEDs, and areas under flaps for model/serial number information.
Lists deviations for phase overcurrent, earth fault, negative sequence overcurrent, undercurrent, and thermal overload elements.
Outlines setting ranges for phase overcurrent, earth fault, negative sequence overcurrent, thermal overload, and autoreclose functions.
Covers cold load pickup, auxiliary timers, broken conductor detection, and circuit breaker failure protection settings.
Explains definite and inverse time delay overcurrent protection, thresholds, and tripping conditions.
Covers restricted earth fault relay as a high impedance differential scheme, its sensitivity, and application in various grounding systems.
Details thermal overload protection to prevent equipment damage from excessive heating using a current-based thermal replica.
Discusses applying negative sequence overcurrent protection for detecting phase-to-phase and phase-to-earth faults, and as back-up.
Details detecting broken conductors using the ratio of negative to positive phase sequence current (I2/I1).
Explains autoreclose function for transient faults, advantages like reduced consumer interruption time, and automatic operation.
Outlines preliminary requirements, relay identification, and basic commissioning checks like serial number and wiring.
Provides templates for recording settings for OP PARAMETERS, CONFIGURATION, COMMUNICATION, PROTECTION, and AUTOMAT.CTRL menus for each MiCOM model.
Covers terminal allocation, ESD, visual inspection, earthing, CT checks, auxiliary supply, logic inputs/outputs, and RS485 communication.
Details checks for application-specific relay settings, measurements, and validation of thresholds and timers.
Discusses equipment failure identification, repair methods, and problem-solving for communication issues.
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