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Earth Leakage Relay
Earth Leakage Relay
Among various kinds of protection relays, Earth Leakage Relay, model ELR-D is used for continuous surveillance of the earth leakage current which causes generation of heat and progressive failure of insulation. When current value moves out from the desired zone the relay energizes to give an alarm or trip a circuit.
Product & Technology News
- Input Current: CBCT x 2 Continuously, x10 for 3 sec. As per BS6253.
- Setting of Trip Point: 30, 100, 300, 500 mA.
- Delay Time: 0, 0.06, 0.15, 0.25, 0.5, 0.8, 1, 2.5, 5, 10 sec settable.
- Alarm Relay Output: 50% of Range.
- Status: Normally De-energized.
- Reset: Manual.
- Aux. Supply: 240 VAC.
- Power Consumption: 3 VA.
- The unit employs CBCT (Core Balance Current Transformer) to sense the leakage current.
- The accuracy ensures confirmation to IS 8686, IEC571-1.
- The repeatability of set point is better than 0.5 %.