G.E CK07BA400 contactor and 220V coil No. C04255N

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The G.E CK07BA400 contactor with a 220V coil (part number C04255N) is an electrical switching device commonly used for controlling higher voltage and current circuits using a lower control voltage. Here’s some information about this contactor and its coil:

G.E CK07BA400 Contactor:

  • This contactor is designed to handle electrical loads in industrial and commercial applications.
  • It’s capable of switching higher voltage and current circuits, making it suitable for controlling motors, lighting, heating elements, and other electrical devices.
  • The contactor is equipped with multiple sets of contacts that can open and close to establish or interrupt electrical connections.
  • It may have auxiliary contacts for control and feedback purposes.

220V Coil (Part Number C04255N):

  • The coil is the part of the contactor that receives the control voltage to energize the contactor’s internal magnetic circuit, causing the contacts to close.
  • In this case, the coil is rated for a control voltage of 220V. This means that you need to provide a control voltage of 220V to the coil terminals to activate the contactor.
  • Make sure to connect the control voltage correctly to the coil terminals, adhering to the manufacturer’s wiring diagram.


  • To use this contactor, you would typically connect the control circuit (typically a lower voltage control signal) to the coil terminals.
  • When the coil is energized with the proper control voltage, the contactor’s main contacts close, allowing current to flow through the higher voltage load circuit.
  • The contactor can be controlled by various devices, such as timers, switches, PLCs, or other control systems.

Installation and Safety:

  • It’s important to follow the manufacturer’s instructions and wiring diagram when installing the contactor and connecting the coil.
  • Ensure that all connections are secure and that the correct control voltage is applied to the coil terminals.
  • Consider safety measures like fuses or circuit breakers in the control circuit to protect against overcurrent conditions.

As with any electrical component, it’s recommended to consult the manufacturer’s documentation and guidelines for proper installation, operation, and maintenance. If you’re not experienced with electrical work, it’s advisable to seek the assistance of a qualified electrician or technician.

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