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EFR1 Earth Fault Relays

Introduction:
NA
Features:
Application Areas:
NA
Technical Specifications:
Sr.
Parameter
Specifications
1 Supply Voltage System 110 / 240 / 380 / 415 V AC ±20%; Auxiliary 110 / 240 / 380 /415V AC ±20%
2 Ext. Input 1A or 5A (Selectable) CBCT
3 Output contact 1 CO / 2 CO (Pick up on Fault)
4 Trip setting Under Current N.A.; Over Current 10% -100% (adjustable) of CT sec; Under Frequency —; Over Frequency —; Under Power —; Over Power —; Cos-Ø —; Reverse Power —
5 Input Current Range
6 Power On Delay N.A.
7 Trip Time Delay 1-10 (adjustable) ±10% OR Instant <1sec
8 Resetting Manual / Remote (Selectable)
9 Weight 550gms.
10 Dimensions (mm) Overall (L x W x D) 76 x 56.5 x 11.7; Mounting (L x W) 67 x 46

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