YBX3 Series High-Efficiency Explosion-Proof Motors (380 V)
Selection Consultation Hotline181-8268-8890
156-9170-8999
156-9170-8999
Introduction to the YBX3 Series High-Efficiency Explosion-Proof Motors
The YBX3 series high-efficiency explosion-proof motors are high-efficiency flameproof three-phase asynchronous motors, representing SIMO’s independently developed, fully enclosed, self-ventilated, squirrel-cage-type, high-efficiency flameproof three-phase asynchronous motor base series. Their efficiency complies with Grade 2 energy efficiency per GB18613-2012 “Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Small and Medium Three-Phase Asynchronous Motors”.
Motor Advantages
This series delivers excellent performance, safe and reliable operation, and lower vibration and noise levels than comparable products, meeting environmental protection requirements.
Application Fields
Suitable for hazardous areas Zone 1 and Zone 2 with explosive atmospheres. Widely applied across industries including petrochemicals, coal mining, metalliferous mining, ports, power plants, and mechanical engineering, driving various general-purpose machinery—such as fans, compressors, feedwater pumps, crushers, hoists, centrifuges, cutting machine tools, and material handling equipment—making them the ideal drive solution.
Basic Features
1. Frame Size: 80–400
2. Power Range: 0.75 kW–560 kW
3. Voltage: 380 V, 660 V, 380/660 V, 400 V, 690 V, 400/690 V
4. Frequency: 50 Hz, 60 Hz
5. Number of Poles: 2P–16P
6. Thermal Class: 155 (F)
7. Temperature Rise Limit: 80 K (Class B), 105 K (Class F) (for the highest power rating within each frame size and pole count)
8. Vibration Velocity: 2.3 mm/s
9. Efficiency: Grade 2 energy efficiency, compliant with GB30254-2013 “Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for High-Voltage Three-Phase Squirrel-Cage Asynchronous Motors”
Grade 2 energy efficiency.
10. Cooling Method: IC411
11. Mounting Type: IMB3 (IMB35 or IMV1 available upon request)
12. Protection Rating: IP55
13. Duty Type: S1
14. Explosion-Protection Classification: Exd I Mb, Exd II B T4 Gb, Exd II C T4 Gb
15. For motors rated ≤3 kW at 380 V, winding connection is star (Y); for motors rated ≥3 kW at 380 V, winding connection is delta (∆).
16. Ambient Conditions: Ambient temperature –20 °C to +40 °C; altitude ≤1000 m
17. Indoor Use (standard configuration)
Optional Configurations: Outdoor (W), Outdoor—Moderately Corrosion-Resistant (WF1), Outdoor—Highly Corrosion-Resistant (WF2), Indoor—Moderately Corrosion-Resistant (F1), Indoor—Highly Corrosion-Resistant (F2), Humid Tropical (TH), Dry Tropical (TA), Outdoor Humid Tropical (THW), Outdoor Dry Tropical (TAW)
YBX3 Series Explosion-Proof Motor Detailed Parameter Table
Voltage: 380 V
Frequency: 50 Hz
| Motor Model | |||||||||||
| Rated Power | Rated Current | ||||||||||
| Rated Speed | Efficiency % (kW) | Power Factor （A） | Rated Torque （r/min） | Locked-Rotor Torque (η%) | Rated Torque (cosφ) | Locked-Rotor Current N.m | Rated Current Maximum Torque Tst TN | Rated Torque Noise Level dB(A) Ist TN | Weight Synchronous Speed 3000 r/min Tmax TN | Synchronous Speed 1500 r/min | Synchronous Speed 1000 r/min （kg） |
| Synchronous speed: 3000 r/min | |||||||||||
| YBX3-80M1-2 | 0.75 | 1.7 | 2875 | 80.7 | 0.83 | 2.5 | 2.3 | 6.8 | 2.3 | 67 | 32 |
| YBX3-80M2-2 | 1.1 | 2.4 | 2875 | 82.7 | 0.83 | 3.7 | 2.3 | 7.3 | 2.3 | 67 | 33 |
| YBX3-90S-2 | 1.5 | 3.2 | 2890 | 84.2 | 0.84 | 5.0 | 2.3 | 7.6 | 2.3 | 72 | 39 |
| YBX3-90L-2 | 2.2 | 4.6 | 2890 | 85.9 | 0.85 | 7.3 | 2.3 | 7.8 | 2.3 | 72 | 46 |
| YBX3-100L-2 | 3 | 6.0 | 2891 | 87.1 | 0.87 | 9.9 | 2.3 | 8.1 | 2.3 | 76 | 57 |
| YBX3-112M-2 | 4 | 7.8 | 2914 | 88.1 | 0.88 | 13.1 | 2.3 | 8.3 | 2.3 | 77 | 68 |
| YBX3-132S1-2 | 5.5 | 10.6 | 2937 | 89.2 | 0.88 | 17.9 | 2.2 | 8.0 | 2.3 | 80 | 87 |
| YBX3-132S2-2 | 7.5 | 14.2 | 2940 | 90.1 | 0.89 | 24.4 | 2.2 | 7.8 | 2.3 | 80 | 93 |
| YBX3-160M1-2 | 11 | 20.6 | 2930 | 91.2 | 0.89 | 35.9 | 2.2 | 7.9 | 2.3 | 86 | 136 |
| YBX3-160M2-2 | 15 | 27.9 | 2930 | 91.9 | 0.89 | 48.9 | 2.2 | 8.0 | 2.3 | 86 | 144 |
| YBX3-160L-2 | 18.5 | 34.4 | 2937 | 92.4 | 0.89 | 60.2 | 2.2 | 8.1 | 2.3 | 86 | 155 |
| YBX3-180M-2 | 22 | 40.5 | 2940 | 92.7 | 0.89 | 71.5 | 2.2 | 8.2 | 2.3 | 89 | 241 |
| YBX3-200L1-2 | 30 | 54.9 | 2950 | 93.3 | 0.89 | 97.1 | 2.2 | 7.5 | 2.3 | 92 | 275 |
| YBX3-200L2-2 | 37 | 67.4 | 2950 | 93.7 | 0.89 | 119.8 | 2.2 | 7.5 | 2.3 | 92 | 300 |
| YBX3-225M-2 | 45 | 81.7 | 2960 | 94.0 | 0.89 | 145.2 | 2.2 | 7.6 | 2.3 | 92 | 420 |
| YBX3-250M-2 | 55 | 99.6 | 2965 | 94.3 | 0.89 | 177.2 | 2.2 | 7.6 | 2.3 | 93 | 477 |
| YBX3-280S-2 | 75 | 135.2 | 2970 | 94.7 | 0.89 | 241.2 | 2.0 | 6.9 | 2.3 | 94 | 640 |
| YBX3-280M-2 | 90 | 161.7 | 2970 | 95.0 | 0.89 | 289.4 | 2.0 | 7.0 | 2.3 | 94 | 697 |
| YBX3-315S-2 | 110 | 195.1 | 2975 | 95.2 | 0.90 | 353.1 | 2.0 | 7.1 | 2.2 | 96 | 1060 |
| YBX3-315M-2 | 132 | 233.6 | 2975 | 95.4 | 0.90 | 423.7 | 2.0 | 7.1 | 2.2 | 96 | 1120 |
| YBX3-315L1-2 | 160 | 279.4 | 2975 | 95.6 | 0.91 | 513.6 | 2.0 | 7.1 | 2.2 | 99 | 1290 |
| YBX3-315L2-2 | 200 | 348.6 | 2975 | 95.8 | 0.91 | 642.0 | 2.0 | 7.1 | 2.2 | 99 | 1430 |
| YBX3-355M-2 | 250 | 435.7 | 2980 | 95.8 | 0.91 | 801.2 | 2.0 | 7.1 | 2.2 | 103 | 1749 |
| YBX3-355L-2 | 315 | 549.0 | 2980 | 95.8 | 0.91 | 1009.5 | 2.0 | 7.1 | 2.2 | 103 | 2060 |
| Synchronous speed: 1500 r/min | |||||||||||
| YBX3-80M1-4 | 0.55 | 1.4 | 1400 | 80.7 | 0.75 | 3.8 | 2.3 | 6.3 | 2.3 | 58 | 31 |
| YBX3-80M2-4 | 0.75 | 1.8 | 1400 | 82.5 | 0.75 | 5.1 | 2.3 | 6.5 | 2.3 | 58 | 32 |
| YBX3-90S-4 | 1.1 | 2.6 | 1440 | 84.1 | 0.75 | 7.3 | 2.3 | 6.6 | 2.3 | 61 | 43 |
| YBX3-90L-4 | 1.5 | 3.6 | 1445 | 85.3 | 0.75 | 9.9 | 2.3 | 6.9 | 2.3 | 61 | 47 |
| YBX3-100L1-4 | 2.2 | 4.8 | 1440 | 86.7 | 0.81 | 14.6 | 2.3 | 7.5 | 2.3 | 64 | 56 |
| YBX3-100L2-4 | 3 | 6.3 | 1440 | 87.7 | 0.82 | 19.9 | 2.3 | 7.6 | 2.3 | 64 | 62 |
| YBX3-112M-4 | 4 | 8.4 | 1445 | 88.6 | 0.82 | 26.4 | 2.3 | 7.7 | 2.3 | 65 | 74 |
| YBX3-132S-4 | 5.5 | 11.4 | 1455 | 89.6 | 0.82 | 36.1 | 2.0 | 7.5 | 2.3 | 71 | 93 |
| YBX3-132M-4 | 7.5 | 15.2 | 1455 | 90.4 | 0.83 | 49.2 | 2.0 | 7.4 | 2.3 | 71 | 105 |
| YBX3-160M-4 | 11 | 21.5 | 1460 | 91.4 | 0.85 | 72.0 | 2.2 | 7.5 | 2.3 | 75 | 141 |
| YBX3-160L-4 | 15 | 28.8 | 1460 | 92.1 | 0.86 | 98.1 | 2.2 | 7.5 | 2.3 | 75 | 153 |
| YBX3-180M-4 | 18.5 | 35.3 | 1470 | 92.6 | 0.86 | 120.2 | 2.2 | 7.7 | 2.3 | 76 | 235 |
| YBX3-180L-4 | 22 | 41.8 | 1470 | 93.0 | 0.86 | 142.9 | 2.2 | 7.8 | 2.3 | 76 | 255 |
| YBX3-200L-4 | 30 | 56.6 | 1470 | 93.6 | 0.86 | 194.9 | 2.2 | 7.2 | 2.3 | 79 | 285 |
| YBX3-225S-4 | 37 | 69.6 | 1480 | 93.9 | 0.86 | 238.8 | 2.2 | 7.3 | 2.3 | 81 | 360 |
| YBX3-225M-4 | 45 | 84.4 | 1480 | 94.2 | 0.86 | 290.4 | 2.2 | 7.4 | 2.3 | 81 | 390 |
| YBX3-250M-4 | 55 | 102.7 | 1480 | 94.6 | 0.86 | 354.9 | 2.2 | 7.4 | 2.3 | 83 | 490 |
| YBX3-280S-4 | 75 | 136.3 | 1480 | 95.0 | 0.88 | 484.0 | 2.2 | 6.7 | 2.3 | 86 | 718 |
| YBX3-280M-4 | 90 | 163.2 | 1480 | 95.2 | 0.88 | 580.7 | 2.2 | 6.9 | 2.3 | 86 | 816 |
| YBX3-315S-4 | 110 | 199.1 | 1485 | 95.4 | 0.88 | 707.4 | 2.2 | 6.9 | 2.2 | 93 | 1050 |
| YBX3-315M-4 | 132 | 238.4 | 1485 | 95.6 | 0.88 | 848.9 | 2.2 | 6.9 | 2.2 | 93 | 1210 |
| YBX3-315L1-4 | 160 | 285.1 | 1485 | 95.8 | 0.89 | 1029.0 | 2.2 | 6.9 | 2.2 | 97 | 1290 |
| YBX3-315L2-4 | 200 | 355.7 | 1485 | 96.0 | 0.89 | 1286.2 | 2.2 | 6.9 | 2.2 | 97 | 1400 |
| YBX3-355M-4 | 250 | 439.6 | 1490 | 96.0 | 0.90 | 1602.3 | 2.2 | 6.9 | 2.2 | 101 | 1805 |
| YBX3-355L-4 | 315 | 553.9 | 1490 | 96.0 | 0.90 | 2019.0 | 2.2 | 6.9 | 2.2 | 101 | 2130 |
| Synchronous speed: 1000 r/min | |||||||||||
| YBX3-90S-6 | 0.75 | 2.0 | 934 | 78.9 | 0.72 | 7.7 | 2.1 | 5.8 | 2.0 | 57 | 42 |
| YBX3-90L-6 | 1.1 | 2.8 | 945 | 81.0 | 0.73 | 11.1 | 2.1 | 5.9 | 2.0 | 57 | 44 |
| YBX3-100L-6 | 1.5 | 3.7 | 945 | 82.5 | 0.74 | 15.2 | 2.1 | 6.0 | 2.0 | 61 | 49 |
| YBX3-112M-6 | 2.2 | 5.4 | 960 | 84.3 | 0.74 | 21.9 | 2.1 | 6.0 | 2.0 | 65 | 69 |
| YBX3-132S-6 | 3 | 7.2 | 964 | 85.6 | 0.74 | 29.7 | 2.0 | 6.2 | 2.0 | 69 | 83 |
| YBX3-132M1-6 | 4 | 9.5 | 965 | 86.8 | 0.74 | 39.6 | 2.0 | 6.8 | 2.0 | 69 | 91 |
| YBX3-132M2-6 | 5.5 | 12.7 | 965 | 88.0 | 0.75 | 54.4 | 2.0 | 7.1 | 2.0 | 69 | 99 |
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