The GIC MI81BJ is a frequency monitoring relay designed to protect systems from under and over frequency faults with fixed timing response.
🔧 Technical Highlights:
- Supply Voltage: 230 VAC
- Frequency Monitoring Range: 40 Hz to 70 Hz
- Input Signal Range: 15–500 V
- Under Frequency Threshold: Adjustable (-1 to -10 Hz)
- Over Frequency Threshold: Adjustable (+1 to +10 Hz)
- ON Delay: Fixed 500 ms
- OFF Delay: Fixed 150 ms
- Output: 1 x C/O relay
- Mounting: DIN Rail
✅ Benefits:
- Prevents equipment malfunction due to frequency instability
- Compact design with wide signal compatibility
- Quick response with fixed time logic for critical loads
🚀 Applications:
- Inverter-fed motor drives
- Power conditioning systems
- Renewable and off-grid energy setups
MI81BJ offers precision frequency protection for voltage-sensitive equipment.