Contractors
We offers the protection your system needs against equipment failure and danger caused by voltage faults, current conditions or excessive load requirements.
Contactors, Starters and Protective Relays
Contactors and Overload Relays are suitable for a large variety of applications in building and in industry such as motor control, heating and ventilating, air conditioning, pumping, lifting equipment, lighting, process power factor correction
Some application of contactors :-
I- Power & control circuit
II-Operation
1 - When Press S1 (start pushbutton)
2 - Contactor k1 operate ,then contact k1 will be normally close
3 - Motor will operate ,until press S0 (stop pushbutton).
III-PLC ladder diagram
I- Power & control circuit
II-Operation
1 - When Press S3 or S4 (start pushbutton)
2 -Contactor k1 operate ,then contact k1 will be normally close
3 - Motor will operate, until press S1 or S2 (stop pushbutton).
III-PLC ladder diagram
2 - Start/stop circuit from 2 position
3 - Reverse motor with stop circuit
I- Power & control circuit
II-Operation
1 - To operate the first direction Press S2 (start pushbutton) ,Contactor k1 operate ,then contact k1 will be normally close Motor will operate in first direction.
2 -To operate the second direction press S1 (Stop pushbutton) ,Contactor k2 operate ,
then contact k2 will be normally close Motor will operate in second direction.
III-PLC ladder diagram
II-Operation
A - When press S1 (Start pushbutton) ,k3 will operate
and then contact k3 will be normal close
B - timer T1 & contactor K1 will operate motor
operate in stare mode
C - after a period of time ,contact t1 became normally close
then contactor k2 will operate motor operate in delta mode
until pressing S0 (stop pushbutton)
III-PLC ladder diagram
1 - Start/stop circuit
4 - Star/Delta Circuit
