Commit 8a7e570e authored by bindu madhavi's avatar bindu madhavi
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Update advantages of relay

parent f1c708f8
The complete electrical isolation improves safety by ensuring that high voltages and currents cannot appear where they should not be.
Relays come in all shapes and sizes for different applications and they have various switch contact configurations. Double Pole Double Throw (DPDT) relays are common and even 4-pole types are available. You can therefore control several circuits with one relay or use one relay to control the direction of a motor.
It is easy to tell when a relay is operating - you can hear a click as the relay switches on and off and you can sometimes see the contacts moving.
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•The complete electrical isolation improves safety by ensuring that high voltages and currents cannot appear where they should not be.
•Relays come in all shapes and sizes for different applications and they have various switch contact configurations. Double Pole Double Throw (DPDT) relays are common and even 4-pole types are available. You can therefore control several circuits with one relay or use one relay to control the direction of a motor.
•It is easy to tell when a relay is operating - you can hear a click as the relay switches on and off and you can sometimes see the contacts moving.
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