Selection of Contactors

 • Contactor : 

    It is a electro-mechanical device which is use to open or closed the circuit by energizing and de-energise the coil in it.

Contactors are available in Amp.

Rating :

 9 A 

 12A

 18A

 25A 

 32A

 40A

 50A

 60A

 75A

 80A

 100A

 125A

 150A

 175A

 200A

 225A

 250A

 275A

 300A

 320A

 400A

 500A

 600A

 630A

 800A

• Over load Relay :

• Contactor are two types :

 1) AC1  and 2) AC2

 1) AC1 is use for motor and power circuits.

 2) AC2 is use for transformer and desiel generator interlocking.