| Introduction: |
| It is a Frequency Monitoring Relay. It is best suitable for monitoring supply frequency variations. It is used in single phase system supply, where Under / Over Frequency monitoring or protection is required. It can be Rail mounted & have individually settable under / over frequency settings, thus increasing their utility as entire System Protection Relays. Added facility of adjustable Trip Time Delay and Power-ON Delay has also be provided, alongwith separate indications. It can be used as over speed monitor of DG sets. | |
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| Features: |
· Monitors connected load for Under & Over Frequency
· On Delay.
· Trip Delay.
· Adjustable Under / Over Frequency settings.
· Auto / Manual Reset.
· Sleek DIN Rail mounted housing.
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| Application Areas: |
| Generator control panels AMF control panels Power Distribution panels Induction heater control panels | |
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| Technical Specifications: |
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Specifications |
| 1 |
Supply Voltage |
System 110 / 240 / 380 / 415 V AC ±20%; Auxiliary ±20% |
| 2 |
Ext. Input |
110 / 240 / 380 / 415 V AC ±20% 12 / 24 V DC |
| 3 |
Output contact |
1 CO (2 CO) |
| 4 |
Trip setting |
Under Current —; Over Current —; Under Frequency 40 Hz - 60 Hz (variable); Over Frequency 50 Hz - 70 Hz (variable); Under Power —; Over Power —; Cos-Ø —; Reverse Power — |
| 5 |
Input Current Range |
— |
| 6 |
Power On Delay |
1 - 10 secs. (adjustable) |
| 7 |
Trip Time Delay |
1 - 10 secs. (adjustable) |
| 8 |
Resetting |
Auto |
| 9 |
Weight |
450 gms. |
| 10 |
Dimensions (mm) |
Overall (L x W x D) 76 x 56.5 x 117.5; Mounting (L x W) 67 x 46 | |
