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Frequency Monitoring
- Product Code: Frequency Monitoring
- Availability: In Stock
Product Description
- Wide Auxiliary Supply Voltage Range: 110 – 240 VAC, 220 – 440 VAC
- Models for Over Frequency and Under/Over Frequency Monitoring
- Monitors frequency of three signals – Sine, Square & Triangular
- Model for Frequency Limit Control: 5 Hz to 135 Hz
- Wide Signal Input Voltage: 15 to 500 VAC
- Adjustable Relay status in healthy or unhealthy condition using DIP switch “ET” (Energize to Trip) or “DT” (De-energize to trip.)
- Ease of Frequency setting with simple Addition & Subtraction
- LED indications for healthy, unhealthy & no signal conditions
Ordering Information
| Cat. No. | Description |
|---|---|
| MI81BJ | 110 - 240 VAC, Over Frequency Relay, 1 C/O |
| MI91BJ | 220 - 440 VAC, Over Frequency Relay, 1 C/O |
| MI81BL | 110 - 240 VAC, Over Frequency Under Frequency Relay, 1 C/O |
| MI91BL | 220 - 440 VAC, Over Frequency .Under Frequency Relay, 1 C/O |





