Startco Earth Continuity Relay

The relay has been approved to be intrinsically safe and is suitable for use in zone 1 or 2 hazardous areas.

Startco earth continuity relay.

We are a specialist electrical protection company servicing the heavy industrial and mining sectors throughout australia. In fact if the motor was running it would become impossible to stop it using the pilot switch. When short circuit between the pilot and earth cores in the trailing cable completes the circuit through the operating relay and if the pilot circuit were not to fail to safety such a fault would cause the motor to start immediately. Since ground fault current is controlled to a level that will reduce fault damage and an arc flash will not occur time selective coordination can be employed.

We took a fresh look at earth continuity safety and as nzs2081 compliance to design a new method of earth continuity protection that utilises a trip curve to discriminate between earth disconnection faults and incremental increases in the earth return impedance. Startco pty ltd is an australian owned company in incorporated in 2000 and based in noosaville queensland australia. Relay coordination time selective coordination. Ampcontrol remains at the top of the field for innovation in earth continuity protection relay design.

When you use our website we collect personal data about you and your use of the website through cookies and analytics tools. Earth continuity monitors also known as ground check relays or pilot wire monitors are used to monitor the integrity of the earthing circuit external to the ner. As little as 5 ma of ground fault current can be detected and the internal neutral grounding resistor limits the maximum ground fault current to 100 ma. The rob earth continuity relay has been designed to as 2081 2 1988 to monitor the earth continuity of a trailing cable in an underground mining operation.

This is achieved when all ground fault relays on the system trip at the same level with those.