Earth Leakage Relay
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விலை:
R.F.Q
Features:
- DIN Rail mounting Earth Leakage Relay
- Residual current
- Selectable set point 30mA...30A (19 ranges)
- Adjustable time delay 0.15-5s (30mA setting = 0s)
- Use with DEL...N Range Of Core Balance Current Transformers
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- Instantaneous
- (t = 0) at IΔn 30mA
- Selectable set point
- 30mA…30A (19 ranges)
- Field-selectable negative or positive security (fail safe)
- Automatic permanent test
- Manual or automatic reset
- (3 restart attempts)
Output
- Relay : 1 SPDT contact
- Contact range : 5A 250Vac cosϕ 1 - 3A 250Vac cosϕ 0.4 - 5A 30Vdc
- Negative security (normally de-energised relay) or positive security fail safe
- (normally energised relay) : selectable by dip switch
Auxiliary Supply
- Rated value Uaux : 24V - 48V - 115V - 230V - 240V - 400V
- Tolerance : 0.85…1,1Uaux - 40...60V (Uaux 48V)
- Rated frequency : 50Hz
- Tolerance : 47…63Hz
- Rated burden : ≤ 2.5VA
- Rated value Uaux : 20…150Vdc
- Protected against incorrect polarity
- Rated burden : ≤ 2.5W
- Immunity to short interruption of supply voltage up to 300ms (Rated Uaux)
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