YBX5 Series Ultra-High Efficiency Low-Voltage Flameproof Three-Phase Asynchronous Motor

1. Product Description

The YBX5 Series Motor is a fully enclosed, self-fan-cooled, squirrel-cage, flameproof three-phase asynchronous motor independently developed and launched by our company. Its efficiency index complies with Level 1 Energy Efficiency specified in IEC60034-30 Minimum Allowable Values of Energy Efficiency and Energy Efficiency Levels for Motors. Its explosion-proof performance meets the 2021 version of relevant standards. The motor features excellent performance, safe and reliable operation, and lower vibration, noise, and temperature rise compared with similar products, fully conforming to environmental protection requirements.

2. Product Application

It is suitable for places with explosive gas mixtures in industries such as petroleum, chemical engineering, mining, metallurgy, and electric power. It serves as an ideal power equipment.

3. Executive Standards

The YBX5 Ultra-High Efficiency Flameproof Three-Phase Asynchronous Motor complies with the following main relevant standards:

GB/T 755-2019 Rotating Electrical Machines - Rating and Performance

GB 18613-2012 Minimum Allowable Values of Energy Efficiency and Energy Efficiency Levels for Motors

GB/T 1032 Test Methods for Three-Phase Asynchronous Motors

GB/T 1993 Cooling Methods for Rotating Electrical Machines

GB/T 3836.1-2021 Explosive Atmospheres - Part 1: Equipment - General Requirements

GB/T 3836.2-2021 Explosive Atmospheres - Part 2: Equipment Protected by Flameproof Enclosures "d"

GB/T 3836.3-2021 Explosive Atmospheres - Part 3: Equipment Protected by Increased Safety "e"

GB/T 4942.1 Degrees of Protection Provided by the Integral Design of Rotating Electrical Machines (IP Code) - Classification

GB/T 10068 Mechanical Vibration of Electric Motors with Shaft Heights 56 mm and Above - Measurement, Evaluation and Limits of Vibration

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

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

4. Basic Features

Frame Size: 63~355

Rated Power Range: 0.12kW~315kW

Number of Poles: 2~8 Poles

Rated Voltage: 220V, 220/380V, 380V, 660V, 380/660V, 400V, 690V, 400/690V, 720V, 750V (Custom voltages are also available upon request)

Rated Frequency: 50Hz or 60Hz

Insulation Class: Class 155 (F)

Efficiency: Level 1 per GB18613-2020

Cooling Method: IC411

Mounting Type: IMB3, IMB5, IMB35, IMV1 (Other mounting types can be customized)

Protection Level: IP55

Duty Type: S1

Explosion-Proof Marking: Ex db IIB T4 Gb / Ex db IIC T4 Gb

Environment Adaptation:

Standard Configuration: Indoor

Optional Configurations: Outdoor (W), Outdoor Medium Corrosion Resistance (WF1), Outdoor Heavy Corrosion Resistance (WF2), Indoor Medium Corrosion Resistance (F1), Indoor Heavy Corrosion Resistance (F2), Humid Tropical (TH), Dry Tropical (TA), Outdoor Humid Tropical (THW), Outdoor Dry Tropical (TAW)

Mounting Configurations: There are 5 basic structural types, which can be derived into 15 common structural and mounting types:

B3: Frame with feet, end cover without flange

B5: Frame without feet, end cover with flange

B35: Frame with feet, end cover with flange

B14: Frame without feet, end cover with small flange

B34: Frame with feet, end cover with small flange

5. Ordering Guide

When selecting a motor, the following factors should be considered:

□ Explosion-proof rating: Ex db IIB T4 Gb / Ex db IIC T4 Gb, etc.

□ Voltage: 380V, 660V, etc.

□ Frequency: 50Hz, 60Hz, etc.

□ Mounting type: IMB3, IMB35, etc.

□ Operating environment: Indoor/outdoor, ambient temperature, altitude, etc.

□ Protection level: IP55/IP56/IP65/IP66

□ Mechanical characteristics and moment of inertia of the driven equipment

□ Connection method between the motor and the driven equipment

□ Starting method, starting frequency, and starting voltage drop

□ Duty type: S1 or others

□ Thermal classification: Class 155 (F) or others

□ Motor rotation direction: Clockwise, counterclockwise, bidirectional

□ Terminal box position: Top-left, top-right

□ Inlet type of terminal box: Rubber-sheathed cable

□ Ambient temperature and altitude, etc.

Example of Order Requirement

For a motor with the following specifications: frame center height 355, 220kW, 2 poles, frame with feet, end cover without flange, IIB T4 group explosion-proof for factory use, 380/660V, IP55, clockwise rotation, and explosion-proof gland inlet, the contract description should be:

YBX5-355M1-2, 220kW, 380/660V, 50Hz, IMB3, Ex db IIB T4 Gb, IP55, Explosion-Proof Gland

For special requirements (e.g., custom voltage, frequency, protection level, rotation direction, mounting type, double shaft extension, noise/vibration limits, explosion-proof marking, or terminal box inlet method), manufacturing can only be carried out after signing a technical agreement.