YBX3 series flameproof three-phase asynchronous motors

YBX3 series flameproof three-phase asynchronous motors are fully enclosed, self-fan-cooled squirrel-cage flameproof motors, with flameproof performance in accordance with GB/T 3836.2-2021 "Electrical Equipment for Explosive Gas Environments Part 2: Flameproof Type "d"" and IEC 60079-1 of the International Electrotechnical Commission. 18613-2020 Energy Efficiency Regulations

1）The style of the machine base, end cover and wind cover is novel, which is conducive to noise reduction and ventilation.

2）The motor adopts a thermal classification of 155 (F) insulation system, thus extending the service life of the motor

3）The motor operating system is S1, the cooling method is IC411, and the protection class of the housing is IP55 or IP56

4）Excellent starting characteristics, advanced explosion-proof structure

5）Low temperature rise, high reliability, high efficiency, energy saving, safety, environmental protection, beautiful appearance

Operating conditions
Technical parameters

1）Temperature: ambient air temperature varies with the season, but the maximum is +40℃, the minimum ambient air temperature is -15℃

2）Altitude: not more than 1000m Note: When the ambient air temperature and altitude are different from the above regulations, they should be in accordance with IEC60034-1.

3）Humidity: Maximum relative humidity of 90% on average in the wettest month, while the minimum temperature on average in that month is not higher than 25℃

4）Rated frequency：50Hz

5）Operating system：S1

6）Rated voltage: 380V

7）Explosion-proof class: Ex dbIIBT4 Gb

Note: If you have special requirements on frequency, voltage, ambient air temperature, altitude, etc., please propose when ordering.

Block number	80～355
Rated voltage	380V
Power	0.75kW～250kW
Frequency	50Hz
Number of poles	2/4/6/8p
Energy efficiency class	IE3
Operating system	S1
Protection class	IP55/IP56
Insulation class	F
Cooling method	IC411
Explosion-proof class	ExdIIBT4

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