PF Meter & Lead Power Factor Relay
₹11,583.00
Product Code: JRR 011
Time line :Products will be shipped within 3 weeks from the date of order
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Product Description
Features
- Software based design
- Display of Power factor, Phase angle and frequency
- Dust proof enclosure
- Draw out type
APPLICATION
JRR 011 is used to trip (dis-connect) capacitor bank from
the line during lead power factor in the system.
PRINCIPLE OF OPERATION
The R – Phase line current input to relay is derived from the line CT. The R – B lne voltage scaled to relay rated voltage using transformer. The relay measures the phase angle between R – Current and R – B Voltage, the output contact operates when PF reaches lead condition release when PF reaches lag condition after fixed operating delay of 60s.
The Aux supply required for the operation of relay is derived from the voltage input hence no need of dedicated power source.
The relay displays power factor, line frequency, phase angle between line current and voltage.
The Aux supply required for the operation of relay is derived from the voltage input hence no need of dedicated power source.
The relay displays power factor, line frequency, phase angle between line current and voltage.
Ratings
OVER LOAD RATINGS
Burden
DISPLAY
Voltage :
110V or 415V AC
Current :
1A or 5A
Frequency :
50Hz ±5Hz
Current input :
2 times of rated continuously
20 times of rated for 3s.
40 times of rated for 1s
20 times of rated for 3s.
40 times of rated for 1s
Voltage :
2 times rated continuous
Current Input :
Less than 0.05VA at rated 1A
Less than 0.2VA at rated 5A
Less than 0.2VA at rated 5A
Voltage Input :
Less than 10VA
PF :
0.2 Lead - Unity-0.2 lag
Frequency :
in Hertz
Phase Angle :
in Degrees
Accuracy
Contact Ratings
Contact Durability
Mechanical Design
PF :
± 0.02 or ± 2°
Frequency :
± 0.05 Hz
Relay rating :
5A at 24V DC/230V AC
Loaded conatct :
1,000,000 operations
Unloaded contact :
100,000 operations
Weight :
2 kg. (approx)
Case Size :
144 sq mm, depth of 232 mm
Installation :
Flush mounting
Panel cutout :
138 X 138 sq mm
TERMINAL DIAGRAM
Ordering Information
Current rating :
1A / 5A
Rated voltage :
110V AC or 415V, 50Hz., AC
Relay type :
JRR 011