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ELR – Earth Leakage Relay for protection of distribution boards |
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FEATURES – |
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Accuracy with constant reliability. |
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Current sensitivity fixed /variable by Dip Switch selection. |
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Visual fault indication through LED´s. |
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For easy termination and safety standards, High Barrier connector at rear. |
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Tamper proof polycarbonate cover in front. |
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Complies with IEC 60255 / IS: 3231. |
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APPLICATIONS – |
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Frame Leakage protection for LT Controls and switch boards. |
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Earth Leakage protection for feeders/ motors/ generators/transformers mobile operative equipments. |
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Protection for hazardous sensitive in environments like oil refineries /Chemical platforms/ and general electrical distributions. |
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Protection for mining and control engineering. |
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SPECIFICATIONS – |
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Input rated auxiliary voltage 110V, 230V, 415V, 550VAC,50Hz. |
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Load current 63 A to 1200 Amps. |
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Contact rating : Switching 3 Amp. and Thermal 10 Amp. |
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Number of contacts : Max. 2 changeover type. |
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Current Sensitivity range. |
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Variable : 20 to 80 mA,30 to 300 mA,50 to 500 mA, 0.5 A to 4 A, 2 A to 8 Amps and also as per customers requirement. |
Fixed/Variable : 30, 300 , 500 ms and also as per customers requirement. |
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CBCT & Other features – |
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CBCT Tape wound standard size 50-70, 70-90, 100-120, 120-140,150-170,200-220, and as per customer requirement. Resin cast CBCT also available. |
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Contact rating of switching : 3 Amps. |
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Operative time 0.15 to 30ms. |
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Operative temp. -5° to 60°C. |
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Core balance current transformer burden < 3 VA. |
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Breakdown voltage between chassis & live parts 2.5 KV. |
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Relative humidity at 40° C : 95 %. |
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Dimensions : Flush 96 mm x 96 mm x 70 mm. |
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Mounting : Flush and Din. |
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Specifications subject to change without notice. |
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