Overview of YBX4 Three phase Asynchronous Motor Products

The YBX4 series electric motor is a fully enclosed, self fan cooled, squirrel cage, explosion-proof three-phase asynchronous motor independently developed and launched by our company. The efficiency index meets the energy efficiency level 2 in GB18613-2020 "Energy Efficiency Limits and Energy Efficiency Evaluation Values for Small and Medium Three phase Asynchronous Motors", and has the characteristics of excellent performance, safe and reliable use, and lower vibration and noise compared to similar products, which meets environmental protection requirements.

Performance parameters of YBX4 three-phase asynchronous motor

Rated power range: 0.12~315kW Number of poles: 2~8 poles

Explosion proof rating: ExdIIBT4Gb, ExdIICT4Gb Rated voltage: 220, 380, 660, 380/660V, 400, 415, 440, 460, 480, 690, 400/690V, 415, 720, 415/720V

Rated frequency: 50Hz or 60HzInsulation level: 155 (F) level

YBX4 three-phase asynchronous motorpurpose

Mainly used in coal mines, oil and gas, petrochemicals, and chemical industries. In addition, it is widely used in sectors such as textiles, metallurgy, urban gas, transportation, grain and oil processing, papermaking, and medicine.

YBX4 three-phase asynchronous motorExecution standards

YBX4 ultra-high efficiency explosion-proof three-phase asynchronous motor complies with relevant main standards:

GB 755 Rotating Electrical Machinery Rating and Performance

GB/T1032 Test methods for three-phase asynchronous motors

GB/T1993 Cooling Methods for Rotating Electrical Machines

GB 3836.1 Explosive Atmosphere Part 1: General Requirements for Equipment

GB 3836.2 Explosive Atmosphere Part 2: Equipment Protected by Flameproof Enclosures "d"

GB/T4942.1 Classification of Protection Levels (IP Code) for the Overall Structure of Rotating Electrical Machines

GB10068 Measurement, Evaluation, and Limits of Mechanical Vibration for Motors with a Center Height of 56mm or More

GB/T 10069.1 Methods and Limits for Determination of Noise from Rotating Electrical Machines Part 1: Methods for Determination of Noise from Rotating Electrical Machines

GB/T 10069.3 Methods and Limits for Noise Determination of Rotating Electrical Machines Part 3: Noise Limits

GB18613 Minimum allowable values and energy efficiency grades for small and medium-sized three-phase asynchronous motors

YBX4 three-phase asynchronous motorbasic feature

4.1. Machine base number: 63~355

4.2. Rated power range: 0.12kW~315kW

4.3. Number of poles: 2-8 poles

4.4. Rated voltage: 380V, 660V, 380/660V, 400, 690, 400/690V. (Note: The basic series has a Y connection for voltages of 3kW and below and 380V, and a delta connection for voltages above 3kW and 380V.); It can also be manufactured with special voltage

4.5. Rated frequency: 50H or 60Hz

4.6. Insulation level: 155 (F level)

4.7. Efficiency: Level 2 in GB18613-2020

4.8. Cooling method: IC411

4.9. Installation methods: IMB3, IMB5, IMB35, IMV1 (other installation methods can also be manufactured)

4.10. Protection level: IP55

4.11. Operation mode: S1

4.12. Explosion proof signs: ExdllBT4Gb, ExdllCT4Gb.

4.13. Indoor (standard configuration). Optional configurations: Outdoor (W), Outdoor Medium Corrosion Protection (WF1), Outdoor Strong Corrosion Protection (WF2), Indoor Medium Corrosion Protection (F1), Indoor Strong Corrosion Protection (F2), Wet Tropical (TH), Dry Tropical (TA), Outdoor Wet Tropical (THW), Outdoor Dry Tropical (TAW).

4.14. Main junction box:

The main junction box with frame number 63-355 is located on the top of the motor (viewed from the extension end of the motor shaft), and the outlet can be adjusted in four directions. However, when the outlet of the junction box with a height of 160 center and above faces back (toward the non shaft extension end), due to the influence of the lifting ring, it is necessary to lift the motor in place at the installation site, remove the lifting ring, open the junction box cover, loosen the connecting bolts between the junction box and the motor frame, and install the outlet of the junction box facing base note.

The standard configuration for the incoming line of the machine base 63-355 junction box is either rubber sheathed cable or steel pipe wiring. The motor junction box has excellent explosion-proof structural performance and high protection level, and has a large cavity for easy wiring. The incoming line is divided into rubber sheathed cable and steel pipe wiring. According to different starting requirements, one incoming line port (suitable for direct starting of the motor) and two incoming line ports (H250 and above are suitable for Y - △ starting of the motor) can be made respectively. Explosion proof gland (introduction device) or reserved threaded port can be selected according to special user requirements.

4.15. Auxiliary junction box:

Auxiliary junction box refers to the junction box for temperature measurement and heating strip. The auxiliary junction box with standard configuration shares the same cavity as the main junction box, but has a separate inlet. The standard configuration for inlet wiring is steel pipe wiring or rubber sheathed cables. If there are no requirements, steel pipe wiring is default, and an explosion-proof gland inlet can be optionally provided; Some machine base sizes can be equipped with independent heating (or temperature measurement) auxiliary junction boxes.

4.16. Temperature measuring and heating device:

Machine base sizes 160~355 can be equipped with heating belts or PTC temperature measurement (one of which is optional) according to user needs, or stator bearing temperature measurement devices and heating belts (optional configuration) can be set according to user needs.

4.17. Environmental conditions:

Environmental air temperature: -20~+40 ℃. Altitude: not exceeding 1000m. (Special ambient air temperature and altitude need to be agreed upon by both parties and mentioned during ordering.). ）

4.18. Bearings and Lubricating Greases: The conventional lubricating grease is Great Wall low-noise bearing grease

4.19. Topcoat:

The color of the motor topcoat is S04-1 silver gray (GSBG51001-94 B04) except for anti-corrosion (F1, F2) and outdoor anti-corrosion (WF1, WF2), which are medium (phthalein) blue (GSBG51001-94 Pb04)

YBX4 three-phase asynchronous motorOrder guide

5.1. Motor selection should consider the following factors

Explosion proof grade: Exd Ⅱ BT4Gb/Exd Ⅱ CT4Gb, etc.

Voltage: 380V, 660V, etc.

Frequency: 50Hz, 60Hz, etc.

Installation type: IMB3, IMB35, etc.

Usage environment: indoor, outdoor, ambient temperature, altitude, etc.

Protection level: IP55/IP56/IP65/IP66.

The mechanical characteristics and moment of inertia of the driven equipment.

The connection method between the electric motor and the driven equipment.

□ Startup mode, startup frequency, and startup voltage drop, etc.

Work schedule: S1 or other.

□ Thermal classification: 155 (F) grade or other.

Motor rotation direction: clockwise, counterclockwise, bidirectional.

Location of junction box: top left, top right.

□ Connection box inlet form (standard): rubber sheathed cable, steel pipe wiring (H ≤ 132); Explosion proof gland head (H ≥ 160).

5.2. Examples

Requirement: The center height of the machine base is 355 and 220 kW. The 2P machine base comes with a foot and the end cover has no flange. The factory uses Class IIB T4 explosion-proof type,

380/660V，IP55， Turning clockwise, the motor with explosion-proof gland head inlet is marked as follows:

Convert contract to: YBX4-355M1-220kW380/660V50Hz IMB3ExdIIBT4GbIP55 explosion-proof gland head

5.3. If there are special requirements such as voltage, frequency, protection level, rotation direction, installation type, double axis extension, noise, vibration limits and explosion-proof signs, junction box incoming method, etc., a technical agreement must be signed before manufacturing.

5.4. The data in this sample may change with technological advancements without prior notice. Please note the publication date of the sample.