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FCS D2 Frequency Monitoring Relay

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.
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.
Application Areas:
Generator control panels AMF control panels Power Distribution panels Induction heater control panels
Technical Specifications:
Sr.
Parameter
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

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