Introduction of Electric Control Box
Overhead Crane Electric Control Panel / Box
The electric control system consists of electric control box,electromagnetic braking motor and handle swithetc.The upward and downward movement of suspended platform is controlled by two electromagnetic braking motors.
Power supply
The power supply adopts 3-phases and 5-wire system in which the 5-core cable of 2.5mm2 is going through Q1 power socket to control box,which is powered on by 3-phases leakade breaker.
Safety
If in any abnormal situation,emergency braking can be executed to ensure safety,that is to press the emergency brake switch on the panel of electric control box so that the general contactor KM1 loses power,the motor is power off and the hoist stops running..thermal relay can bu power-off automatically.