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What is the difference between an earth fault relay and an over current relay?
earth fault relay is also a type of over current relay but the set value of current or relay sensing current is much less than the maximum load current.in over current relay relay sensing current ise than maximum load current mor
What is different thermal over load relay and thermally protected?
no difference
Is a relay considered a load?
The relay's coil(s) would be a load, but the main function of a relay is to act as a switch to control power to a larger load.
Over current relay?
in electrical circuit current will increase specific level (full load current).its call over current
How do you select overload relay for star delta starter?
according motor which we use suppose if it is 2.2kw then the range of OLR(over load relay) is 2-3.2
What is over load relay?
to be protect the motor and electrical equipments.some circuit provide to protect the motor.for exm.DOL starter, OLR to protect the motors....
Is a relay defect and open load the same?
A relay is basically a controllable switch that connects a supply voltage to a load. If the relay is switch such that the load is not connected, that could be considered an open load. If it is switched the other way the load will be connected to its supply voltage. A defect in a relay would be something that caused it not to function correctly. It could be in the switch portion of the supply portion of the relay. Hence you are referring to different things and a defect may or may not cause the load to be open.
What is working principle of relay?
That a small amount of power can control a larger load, or can switch an entirely separate load.
What happens if you energize power to wire on n.c. contacts?
If the relay contacts are in series with a connected load, then the load will energize.
What is thermal overload?
The load current is made to flow through the thermal overload relay, which is actually a bimetalic strip. Beyond a prespecified current the bimetalic strip tend to deflect due to heat (thermal effect) thus cutting off the circuit and hence it acts as an over load relay protection.
Where is the load reduction relay 2003 vw jetta?
under the dashboard..
What is the use of over voltage relay?
The use of over load relays in circuits is to protect the circuit against over heating .
