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Product name
   Flameproof three-phase asynchronous motor for YBJ series winch
Product category
   Low voltage explosion-proof three-phase asynchronous motor
Detailed description
   

YBJ series winch with flameproof three-phase asynchronous motor in accordance with GB3836.1 "explosive gas environment with explosion-proof electrical equipment General requirements" and GB3836.2 "explosive gas environment with explosion-proof electrical equipment" d "" provisions, apply to the coal mine with flammable gas and air to form explosive gas mixture of places, motor explosion-proof mark ExdI. 
YBJ three-phase asynchronous motor is mainly used for coal mine underground coal mine dispatching winch is driven, special motor scheduling winch, the motor can also be used for other coal mine machinery.
JB8672-91 "YBJ series winch technical conditions" provisions of flame-proof type three-phase asynchronous motor with the motor series.

electrical characteristics table:

 Model

Power
kW 

Rated voltage

The full load 

 Locked rotor current
 Rated current

 Locked rotor torque
 Rated torque

 Maximum torque
 Rated torque

 Speed
r/min

Electric current

Efficiency

Power factor
cosφ 

 YBJ11.4-4

11.4 

380/660 

1460 

23.4/13.5 

88 

0.84 

6.7 

2.2 

2.3 

YBJ25-4 

25 

380/660 

1470 

48.2/27.8 

91.5 

0.86 

6.7 

2.0 

2.2

 YBJ40-4

40

380/660 

1480 

75.8/43.7 

92.2 

0.87 

6.7 

2.0 

2.2