Electric hoist circuit safety protection measures

The utility model relates to an electric hoist circuit safety protection device, relating to the improved invention of the electric hoist safety operation protection device, comprising a power source, a lifting switch K2, a micro switch K3, a capacitor C, a motor main phase coil 6, a subphase coil 7, a neutral line circuit L8, It also includes a series connected thermal sensing switch circuit and a power emergency stop switch circuit in the motor circuit. The electric hoist circuit safety protection device designed according to the subject of the utility model overcomes the defects that the electric hoist is prone to failure, frequent maintenance, unsafe operation, etc., and achieves the purpose of prolonging service life, economical production and reliable operation.

Electric hoist circuit safety protection device

The utility model relates to an electric hoist circuit safety protection device, which comprises a power source, a lifting switch K2, a micro switch K3, a capacitor C, a motor main phase coil 6, a subphase coil 7, and a neutral line circuit L8, which are characterized in that: the motor circuit is in a string Connect the thermal sensing switch circuit.