This series of flameproof motors is a basic series of fully enclosed, self-fan-cooled, squirrel-cage high-efficiency flameproof three-phase asynchronous motors developed by our company based on the unified design of the industry. The power level and installation method comply with the International Electrotechnical Commission (IEC) standards. The efficiency index complies with the secondary energy efficiency standard in GB 18613-2020 "Energy Efficiency Limit Values ​​and Energy Efficiency Grades for Motors", and meets the IE4 efficiency standard of the international standard IEC 60034, which can effectively reduce energy consumption.
The YBX4 series motors with the explosion-proof mark Exdb IIB T4 Gb comply with the provisions of Q/DJSD006 - 2023 "Technical Conditions for YBX4 Series High-efficiency Flameproof Three-phase Asynchronous Motors (Frame Size 63 - 355)". The explosion-proof performance complies with the provisions of GB/T3836.1-2021 "Explosive atmospheres Part 1: General requirements for equipment" and GB/T3836.2-2021 "Explosive atmospheres Part 2: Equipment protected by flameproof enclosures". The motor with the explosion-proof mark Exdb IIB T4 Gb is suitable for places with explosive gas environments containing explosive mixtures of flammable gases or vapors and air, and temperature groups of T1 ~ T4.
Basic features
Explosion-proof mark: Ex db IIBT4 Gb, Ex dI Mb
Center height range: H63～355mm
Power range: 0.12～315KW
Rated voltage and frequency: 380V, 660V, 380V/660V  50HZ
Protection level: IP55
Thermal classification: 155 (F)
Duty system: S1
Cooling method: IC411
When the rated voltage is 380V, the power is 3kW and below for Y connection, and above 3kW for Δ connection; when the rated voltage is 380V/660V, it is Δ/Y connection.
If you need to customize the product, please call us!

YE5 series ultra-high efficiency three-phase asynchronous motors meet the first-level efficiency standards specified in GB18613-2020 "Energy Efficiency Limit Values ​​and Energy Efficiency Grades for Motors", and also meet the IE5 energy efficiency grade of IEC60034-30-1:2017 standard.
Rated voltage: Common voltages include 380V, 600V, 1140V, and 380/660V, 660/1140V and other voltage specifications.
Rated frequency: 50Hz
Power range: 0.55kW~375kW
Protection level: IP55
Insulation level: F or H
Cooling method: IC411

This series of motors is an ultra-high efficiency series of motors developed to meet the national requirements for energy conservation and emission reduction. Its efficiency meets the Level 2 energy efficiency standard in GB 18613-2020 "Energy Efficiency Limit Values ​​and Energy Efficiency Grades for Motors", corresponding to the IE4 energy efficiency grade in the International Electrotechnical Commission (IEC) standard; it has the advantages of high efficiency, low noise, and good starting performance, and is widely used in occasions without special requirements. It can also be used as a power supporting for mechanical equipment such as compressors, water pumps, fans and other fields and industries.
Basic features
Center height range: 80-355mm
Power range: 0.55-375kW
Rated voltage and frequency: 380V 50HZ (other voltages and frequencies can be customized)
Protection level: IP55
Insulation level: I55(F)
Duty: S1 continuous duty, full voltage starting is allowed.
Cooling method: Ic411
Power is 3kW or less for Y connection, 3kW or more for △ connection.
Usage conditions
If there are other special requirements for environmental altitude, please state them when ordering.
Working environment temperature: -15℃~40°℃
Altitude requirement: no more than 1000 meters

The motor series features an aluminum frame and end caps, with a square frame. Suitable for use as a power source in mechanical equipment such as air compressors and water pumps.

Basic Characteristics
Center Height Range: H71～112mm
Power Range: 0.25～3.7KW
Rated Voltage and Frequency: 220V 50HZ (or 60HZ)

This series of motors has the characteristics of compact structure, firm structure, small size, light weight and reliable operation. To It is suitable for driving various general mechanical equipment, such as water pumps, fans, compressors, coal mills, conveyors, etc.

Basic characteristics
Center height range: H400～450mm
Power range: 250～900KW
Rated voltage and frequency: 380V 50HZ

The base and end cover of this series of motors are made of cast iron and aluminum. The aluminum base is square. Suitable for air compressors, water pumps and other mechanical equipment as power.

Basic characteristics
Center height range: H71～112mm
Power range: 0.25～3.7KW
Rated voltage and frequency: 220V 50HZ (or 60HZ)

This series of motors are used in Zone 21 and are of high dust explosion-proof grade. Suitable for enterprises with explosive dust. For example: companies that produce magnesium, aluminum, lead, and bronze materials. Suitable for companies with combustible dust. For example: companies that produce zinc, coke, iron, coal, wheat, corn, cotton, sugar, polyethylene, and phenol resin materials. To Applicable to various warehouses with a certain dust concentration.

Basic characteristics
Center height range: H63～355mm
Power range: 0.12～315KW
Rated voltage and frequency: 380V, 660 50HZ
Explosion-proof mark: ExtD A21 IP65 T130 degree

The center height of this series of motors is H63～132mm. It is mainly installed by B30 and used for small explosion-proof axial flow fans. Suitable for explosion-proof ventilator industry.

Basic characteristics
Center height range: H63～132mm
Power range: 0.12～7.5KW
Rated voltage and frequency: 380V, 400V, 460V, 415V, 660V, 1140V, 50HZ (30～50HZ)
Explosion-proof mark: ExdIMb (for mining) ExdIIBT4Gb (for factory)