Kinco CD3 Series - Page 23

Kinco FD3&CD3 User Manual
19
Figure 3-5 Three-phase power external connection
Table 3-1 External system connection instructions
Electric
equipment
Function
Molded case
circuit
breakers
（MCCB）
In the event of overcurrent, short circuit, or undervoltage, the circuit breaker automatically
shuts off the power supply, thus protecting the circuit and driver equipment from damage.Note
that the protection parameters that match the drive parameters are set.
Noise filter
（NF）
Effectively filter out external interference and improve the anti-interference ability of power
supply circuit.
Magnetic
contactor
（
MC
）
Use the air ac electromagnetic contactor to turn off the power supply and install the surge
suppressor recommended by the manufacturer of the electromagnetic contactor to effectively
prevent the reverse ELECTROmotive force.
CHARGE
Charging indicator light will not go out immediately after the power is cut off due to the
charging capacitor in the internal circuit of the driver.Please make sure that the charging
indicator is off or the voltage value of the dc bus voltage of the driver is below 36V before
contacting the power terminal.