The ic3 utilises microprocessor technology to provide a greater level of stability over longer pilot cables by using digital filtering techniques.
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Bramco a00020 earth continuity relay model i c.
Pm1103526 pm103527 pm103524 pm1103525 pm103520 pm103549 auxiliary supply circuit supervision relays auxiliary relay with four changeover contacts aimed to supervise the failure of trip supply.
It provides earth continuity protection in accordance with as nzs 2081 ensuring the earth connection through a trailing reeling cable is maintained.
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Therefore an it earthing system guarantees the best continuity of service.
Earth continuity relay model ic3 the bramco ic3 earth continuity relay is designed to actively monitor the resistance of the pilot earth cir cuit in a supply cable by diode termination.
An earth continuity relay is designed to provide earth continuity protection.
Earth continuity protection is provided using pilot earth loop or earth continuity monitoring.
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The ecm3 relay monitors a low voltage dc signal applied between the pilot and earth of the cable and by measuring this signal determines the resistance of the pilot earth loop.
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The method used is called pilot earth loop or earth continuity monitoring where an additional core pilot cable is included with the power and earth cores in the trailing or reeling cables which supply power to the machines.
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Schneider merlin current rating 8a depth 74mm dimensions h 97 mm x w 54 mm x d 74 mm guarantee 18 months height 97mm packaging types each power rating 4w product range vigirex type earth leakage relay unspsc 39122310 voltage range 220 240v voltage rating 230v weight 0 300kg width 54mm.
B no dangerous contact voltage when touching metal parts.
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Is not connected to earth and the load casing is connected to earth.
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The output contacts change its position if the relay detects a failure in the continuity of the circuit.
B very low fault currents.
