Explosion-proof motor
Wolong Electric Nanyang Explosion-ProofYBBP Series Explosion-proof Variable-frequency Three-phase Asynchronous Motors
The YBBP series explosion-proof variable frequency three-phase asynchronous motors are developed by Wolong Electric Nanyang Explosion-proof based on market demand. Paired with Wolong Electric Nanyang Explosion-proof high-performance vector inverters, these motors enable stepless speed regulation across a wide frequency range, offering broad speed control, fast dynamic response, and high precision. Frame sizes range from 80 to 560, with rated power from 0.18 to 1400 kW. Standard pole configurations include 2P, 4P, 6P, and 8P; optional configurations include 10P, 12P, 14P, and 16P. Power ratings and mounting dimensions comply with International Electrotechnical Commission (IEC) standards, aligning with the German DIN42673 standard for seamless integration in export equipment and interchangeability of spare parts for imported systems. Explosion-proof markings available: Ex d I Mb, Ex d IIB T4 Gb, and Ex d IIC T4 Gb (frame size range for IIC models: 80–400). Design complies with GB3836.1, GB3836.2, GB3836.3, and IEC60079 series standards. Cooling methods: IC411 self-ventilated cooling for sizes up to 132; IC416 forced ventilation or IC411 available for sizes 160–355; IC416 for sizes 400 and above. Insulation classes: F-class for sizes up to 355, H-class for sizes 400 and above; temperature rise tested at B-class level. Standard protection rating is IP55, with customizable options including IP56, IP65, and IP66. Motors can be integrated with digital services via the Shunzhi Cloud (iMotorLinx) industrial internet platform for remote control, real-time monitoring, and fault diagnosis.
Technical Specifications
- Housing Number80~560
- Rated Power0.18~1400 kW
- Jisu2P, 4P, 6P, 8P (Optional 10P, 12P, 14P, 16P)
- Rated Voltage80~225 chassis 380V/660V; 250~400 chassis 380V/660V/1140V; 450~560 chassis 660V/1140V (customizable voltage available upon request)
- Rated Frequency50Hz (optional 60Hz)
- Variable Frequency RangeIC411 (355 and below): Fan/pump loads 3~50Hz, other loads 30~60Hz; IC416 (160~315, 2P) 3~60Hz; IC416 (160~315, 4P and above) 3~100Hz; IC416 (355 and above) 3~50Hz
- Explosion-proof markingEx d I Mb, Ex d IIB T4 Gb, Ex d IIC T4 Gb (IIC frame sizes 80–400)
- Ingress Protection RatingIP55 (Optional IP56, IP65, IP66)
- Insulation Class355 and below, Class F; 400 and above, Class H (temperature rise evaluated at Class B)
- Cooling Method132 and below: IC411; 160~355: optional IC416 or IC411; 400 and above: IC416
- Installation MethodB3 (Optional: B5, B35, V1, etc.)
- Work scheduleS1 (Customizable S2, S3)
- bearingH132 and below: maintenance-free bearings; H160 and above: open bearings with on-line lubrication and drainage systems.
- Temperature Measurement ConfigurationH80~280: Optional PTC stator winding temperature sensor; H315~355: Standard PT100 stator and bearing temperature sensors; H400 and above: Standard temperature sensors with heating bands included.
- EnvironmentIndoor, Outdoor (W), Outdoor for Moderate/Heavy Corrosion (WF1/WF2), Indoor for Moderate/Heavy Corrosion (F1/F2), Wet Tropical (TH), Dry Tropical (TA), etc.
- Execution ConditionsAmbient temperature: -15°C to +40°C; altitude up to 1000m
- Design Reference StandardsGB3836.1/2/3, GB/T755, GB18613, GB/T1032, GB/T4942.1, GB/T20161 and IEC60079-0/1/7, IEC60034-1/30-1/2-1/5/7/9/14, IEC TS 60034-17
Key Advantages
Full explosion-proof certification: Flameproof "d" protection covering Ex d I Mb, IIB T4 Gb, and IIC T4 Gb. Suitable for coal mine methane and industrial explosive gas environments.
Wide-range stepless speed control: Paired with Wolong Electric Nanyang Explosion-proof Vector Frequency Converter, IC416 models 4P and above achieve 3~100Hz. Features a wide speed range and fast dynamic response.
Reliable low-speed cooling: Frame sizes 160 and above feature IC416 independent forced ventilation, keeping temperature rise under control even during low-frequency operation.
Excellent interchangeability: Power ratings and mounting dimensions comply with IEC standards and align with DIN 42673, facilitating export compatibility and spare part interchange.
Heavy-duty high insulation: 400 and above use H-class insulation, designed for 660V/1140V high-voltage, high-power applications.
Easy maintenance: H160 and above open bearings are equipped with non-stop oil injection and drainage systems to reduce downtime.
Status monitoring: H315 and above models come standard with PT100 stator and bearing temperature sensors, enabling remote monitoring and fault diagnosis via the Sunzhi Cloud (iMotorLinx) platform.
Robust environmental customization: Supports various operating conditions including outdoor, corrosion-resistant, wet tropical, and dry tropical environments. Also available with explosion-proof gland entries.
Variable Frequency Drive (VFD) Selection Recommendation: Select a VFD with the same explosion-proof rating. If a non-explosion-proof VFD is used, it must be installed in a non-hazardous area, and a filter is recommended at the output.
Use Cases
petroleum refining unit
Chemical Process Pumps and Compressors
Underground Coal Mines and Mining Equipment
Metallurgical Rolling and Dust Removal Fans
Auxiliary Drive Systems for the Power Industry
Port Terminal Conveying and Lifting
Military Industry and Nuclear Power Supporting Equipment
Explosion Protection Rating Explanation
View All Explosion-Proof MotorsExplosion-proof for underground coal mines
Suitable for locations such as underground coal mine areas other than mining and excavation faces where explosive methane gas atmospheres exist. "Mb" indicates a higher level of protection.
Filter products at this levelFactory IIB Flameproof
Suitable for IIB flammable gas environments such as ethylene and coke oven gas. T4 indicates the equipment's maximum surface temperature does not exceed 135°C; Gb denotes a high level of protection.
Filter products at this levelFactory-rated, IIC explosion-proof
Suitable for IIC explosive gas environments including hydrogen, acetylene, and carbon disulfide; covers all IIA and IIB gas groups for broader protection.
Filter products at this levelExplosion-proof marking explanation: "Ex" denotes explosion-proof; "d" indicates a flameproof enclosure; "tb" signifies an enclosure protection type (for dust explosion-proof). "I", "IIA", "IIB", and "IIC" represent applicable gas groups, while "IIIA", "IIIB", and "IIIC" indicate applicable dust categories. "T1–T6" or "T130°C" specifies the temperature class and maximum surface temperature. "Mb", "Gb", and "Db" denote equipment protection levels. When selecting equipment, verify based on the site's hazardous area classification (gas zones 1, 2 or dust zones 21, 22), medium group, and temperature class.
YBBP Series Explosion-Proof Variable-Frequency Three-Phase Asynchronous Motor Selection Parameter Table (5 Hz Representative Models)
← Swipe left or right to view full parameters; first column is fixed
| Model | Housing Size | Power (kW) | JiShu | Speed (r/min) | Voltage (V) | Current (A) | Torque (N·m) | Efficiency (%) | Power Factor | Locked-rotor torque ratio | Maximum Torque Ratio | Noise dB(A) Lw/Lp | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| YBBP80M1-2 | 80 | 0.75 | 2 | 2840 | 380 | 1.81 | 2.5 | 75 | 0.84 | 2.2 | 2.3 | 67/59 | 24 |
| YBBP90L-2 | 90 | 2.2 | 2 | 2890 | 380 | 4.8 | 7.3 | 81 | 0.86 | 2.2 | 2.3 | 72/64 | 43 |
| YBBP132S2-2 | 132 | 7.5 | 2 | 2930 | 380 | 14.88 | 24.4 | 87 | 0.88 | 2.2 | 2.3 | 80/72 | 95 |
| YBBP200L1-2 | 200 | 30 | 2 | 2950 | 380 | 55.41 | 97.1 | 91.4 | 0.9 | 2 | 2.3 | 92/84 | 290 |
| YBBP280M-2 | 280 | 90 | 2 | 2970 | 380 | 160.03 | 289.4 | 93.9 | 0.91 | 2 | 2.3 | 94/86 | 728 |
| YBBP355L2-2 | 355 | 315 | 2 | 2980 | 380 | 551.27 | 1009.5 | 95.4 | 0.91 | 1.6 | 2.2 | 103/93 | 2290 |
| YBBP80M1-4 | 80 | 0.55 | 4 | 1400 | 380 | 1.57 | 3.8 | 71 | 0.75 | 2.4 | 2.3 | 58/50 | 24 |
| YBBP112M-4 | 112 | 4 | 4 | 1440 | 380 | 8.8 | 26.5 | 84.2 | 0.82 | 2.3 | 2.4 | 65/57 | 80 |
| YBBP160M-4 | 160 | 11 | 4 | 1460 | 380 | 22.24 | 72 | 88.4 | 0.85 | 2.2 | 2.4 | 75/67 | 150 |
| YBBP225M-4 | 225 | 45 | 4 | 1480 | 380 | 84.69 | 290.4 | 92.8 | 0.87 | 2.2 | 2.4 | 81/73 | 415 |
| YBBP315M-4 | 315 | 132 | 4 | 1485 | 380 | 240.41 | 848.9 | 94.8 | 0.88 | 2.1 | 2.2 | 93/81 | 1200 |
| YBBP355L2-4 | 355 | 315 | 4 | 1488 | 380 | 558.6 | 2021.7 | 95.2 | 0.9 | 2.1 | 2.2 | 101/89 | 2260 |
| YBBP132M2-6 | 132 | 5.5 | 6 | 970 | 380 | 12.91 | 54.1 | 83 | 0.78 | 2.1 | 2.4 | 71/63 | 140 |
| YBBP200L2-6 | 200 | 22 | 6 | 970 | 380 | 44.5 | 216.6 | 90.5 | 0.83 | 2.1 | 2.4 | 79/71 | 315 |
| YBBP315L2-6 | 315 | 132 | 6 | 985 | 380 | 244.72 | 1279.8 | 94.2 | 0.87 | 2 | 2 | 97/85 | 1400 |
| YBBP355L2-6 | 355 | 250 | 6 | 985 | 380 | 456.77 | 2423.9 | 94.5 | 0.88 | 1.9 | 2 | 99/87 | 2250 |
| YBBP132M-8 | 132 | 3 | 8 | 710 | 380 | 7.71 | 40.4 | 81 | 0.73 | 1.8 | 2.2 | 71/63 | 125 |
| YBBP225M-8 | 225 | 22 | 8 | 730 | 380 | 47.35 | 287.8 | 90.5 | 0.78 | 1.9 | 2.2 | 81/73 | 395 |
| YBBP315L2-8 | 315 | 110 | 8 | 740 | 380 | 219.51 | 1419.6 | 94 | 0.81 | 1.8 | 2 | 93/81 | 1300 |
| YBBP355L2-8 | 355 | 200 | 8 | 740 | 380 | 396.99 | 2581.1 | 94.5 | 0.81 | 1.2 | 2 | 96/84 | 2200 |
| YBBP315M-10 | 315 | 55 | 10 | 585 | 380 | 121.11 | 897.9 | 92 | 0.75 | 1.2 | 2 | 82/74 | 1150 |
| YBBP355L2-10 | 355 | 185 | 10 | 585 | 380 | 371.81 | 3020.1 | 94.5 | 0.8 | 1.2 | 2 | 90/78 | 2300 |
| YBBP4002-4 | 400 | 400 | 4 | 1490 | 660 | 410.4 | 2563.8 | 95.8 | 0.89 | - | 2.2 | 105/93 | 3150 |
| YBBP4503-4 | 450 | 900 | 4 | 1490 | 660 | 923.4 | 5768.5 | 95.8 | 0.89 | - | 2.2 | 109/97 | 4800 |
| YBBP5004-4 | 500 | 1400 | 4 | 1490 | 660 | 1426 | 8973.2 | 96.5 | 0.89 | - | 2.2 | 110/98 | 6500 |
| YBBP4503-6 | 450 | 710 | 6 | 990 | 660 | 756.2 | 6849 | 95.5 | 0.86 | - | 2 | 108/96 | 5048 |
| YBBP5603-8 | 560 | 1250 | 8 | 740 | 660 | 1389.1 | 16131.8 | 96 | 0.82 | - | 2 | 110/98 | 9200 |
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YBBP Series Explosion-proof Variable-frequency Three-phase Asynchronous MotorsProduct Catalog (PDF) – Download for full technical specs, installation dimensions, and selection tables.
YBBP Series Explosion-proof Variable-frequency Three-phase Asynchronous MotorsProduct Catalog
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