Relays, Timers & Counters

Contactors are electrical control devices used to switch a circuit on or off. They are considered to be a special type of relay that are used in higher power applications. These heavy-duty relays allow lower currents and voltages to switch a much higher power circuit for many thousands of cycles. This makes them an excellent choice for controlling electric motors.

Electromechanical relays are switches that transfer signals via the connection of mechanical contacts to open and close the output circuit. These relays are used when a low-power signal is needed in order to control one or more circuits. 

Forcibly guided relays are electromechanical switching devices that are designed in such a way that it is not possible for all contacts to be closed at the same time. If a normally open contact fails when trying to open, the associated normally closed contact cannot close when the power supply is switched off.

 

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