Field Failure Relay

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Field Failure Relay

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Approx. Price: Rs 625 / PieceGet Latest Price

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Product Details:

Size	95x35 mm
Pick Up Current	80 mA (+/- 5%)
Drop Out Current	less than 50 mA
Continuous Current	100% Of the Maximum Currnet Rating
Contact	Normally Open (N/C AT Extra Price)
Power	15 Watts max
Current	0.1 to 0.5 A
Voltage	400 V AC max

Field Failure Relay, also known as Field Loss Relay protects the D.C. Shunt wound motor or main circuit, under open field conditions, or in the absence of the field supply. Speed of the Shunt Wound D.C. Motor increases as the field supply is weakened. Theoretically motor runs at infinite speed if run without field supply. This break opens the armature coils from the commutator and totally damages the prime mover. The FIELD Failure Relay, when used in series with the field circuit, ensures that no power is supplied to the armature unless Field circuit is complete. Field Failure Relay is a truly current operated device. As there is no iron core, there is no magnetic storage and actuating time is less than 1.2 mili-seconds. This is also used as safety guard in D.C. Clutches, Solenoids and Brakes.

Other Details:

No External Power Supply Needed.
Instantaneous Trip.

Technical Data:

Current Ranges (Amp.)	Pick-Up Current (+/- 5%)	Drop-Out Current (Less Than)	Size (MM)
0.1 to 0.5	80 mA	50 mA	95x35
0.2 to 0.7	180 mA	100 mA	95x35
0.7 to 1	600 mA	350 mA	95x35
1 to 2	850 mA	500 mA	95x35
2 to 4	1.8 Amp	1.0 Amp	95x35
4 to 6	3.6 Amp	2.0 Amp	95x35
6 to 10	5.0 Amp	2.5 Amp	95x35
10 to 15	8.0 Amp	5.0 Amp	125x60
15 to 20	12.0 Amp	6.0 Amp	125x60
20 to 30	18.0 Amp	9.0 Amp	125x60
30 to 60	27.0 Amp	13.0 Amp	125x60

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Additional Information:

Item Code: FFR

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Field Failure Relay

Field Failure Relay

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