Product Details

Brief Introduction 

 

Motor of explosion proof EX D is a type of motor that operates using the principle of electromagnetic induction. The basic principle of operation is that when a three-phase alternating current passes through the stator windings, it generates a rotating magnetic field inside the stator. The relative motion between this rotating magnetic field and the rotor generates an electric potential, which causes the rotor to rotate. The "asynchronous" characteristic of a motor of explosion proof EX D means that the rotor speed is always lower than the rotating magnetic field of the stator.

 

Motor of explosion proof EX D is designed and manufactured with a series of explosion-proof measures to ensure safe operation in flammable and explosive environments. The explosion-proof principle is mainly to avoid triggering the explosion of the surrounding combustible gas or dust by controlling the temperature, sparks and arcs inside the motor.

 

According to different application environments, three-phase asynchronous explosion-proof motors can be categorized into different explosion-proof grades, such as Ex d. Users should choose the appropriate explosion-proof class according to the actual needs when purchasing.

 

Three-phase asynchronous explosion-proof motors, as a kind of high-efficiency and safe power equipment, are widely used in petroleum, chemical, mining and other industries. Its unique working principle and structural design enable it to operate safely in flammable and explosive environments. When purchasing, users should select the appropriate explosion-proof grade, power and rotational speed according to the actual demand, and consider the influence of the working environment. Through reasonable selection and use, the three-phase asynchronous explosion-proof motor can provide strong power support for industrial production, and at the same time protect production safety.

 

Main Technical Parameters

 

Frame	H180
No. of Poles	2P, 4P
Power Scope	18.5~22kW
Voltage	380V/660V
Frequency	50/60Hz
Synchronous Speed	3000rpm~1500rpm
Protection Grade	IP55
Insulation Class	F
Mounting Type	IM B3
Connection	Delta/Y
Mark of Explosion-proof	Exd I Mb, Exd II BT4Gb, Exd II CT4 Gb
Cooling Type	IC411
Efficiency Class	IE3
Duty	S1
Vibration	≤2.3mm/s
Ambient Temperature	-15℃ ～ +40℃
Altitude	≤1000m
Humidity	Average monthly peak relative humidity is 90%

 

Outline Dimensions

 

 

Technical Parameters