Prod Model: |
YB2-250M-4 |
Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
Color: |
Blue or to Request |
Eff.: |
Ie1, Ie2 |
Voltage: |
380V, 660V, 220V, 220/380V, 380/660V |
Application: |
Universal |
Operating Speed: |
Constant Speed |
Number Of Stator: |
Three-Phase |
Species: |
Explosion-Proof Three-Phase |
Rotor Structure: |
Squirrel-Cage |
Casing Protection: |
Protection Type |
Product Description
This series motors are designed and manufactured into explosion proof type and the explosion proof property conforms to China National Standards:
GB3836.1-2000 Electrical Apparatus for Explosive Gas Atmospheres-General Requirements.
GB3836.2-2000 Electrical Apparatus for Explosive Gas Atmospheres- Explosion proof Enclosure d and standards IEC79-1, BS4683 and EN50018.
ExdI- safe for use in the non-mining surfaces of underground coal mines where the explosive mixtures of methane or coal-dust are present.
ExdIIAT4 - safe for use in plants where the explosive mixtures of IIA Class, TI, T2, T3 or T4 are present.
ExdIIBT4 - safe for use in plants where the explosive mixtures of IIB Class, TI, T2, T3 or T4 are present.
ExdIICT4 - safe for use in plants where the explosive mixtures of IIC Class, TI, T2, T3 or T4 are present.
1. Ambinent tempertuer should not be more than 40 Centigrade
2. The elevation should not be exceed 1000 meters.
3. The relative humindity should not be more than 90%.
4. Rated Frequency: 50Hz
5. Rated voltage: 380V, 660V, 380V/660V
6. Operation mode is S1
7. Protection degree: IP55, Insulation class: F
TECHENICAL DATA OF YB2 SERIES |
Type | Rated Power | Current | Speed | EFF. | Power Factor | Tst/Tn | Ist/In | Mst/Tn | Noise | Libration grade |
kW | HP | A | r/min | (%) | COSφ | (dB) | (mm/s) |
YB2-631-2 | 0.18 | 0.24 | 0.5 | 2730 | 66 | 0.8 | 5.5 | 2.2 | 2.2 | 61 | 1.8 |
YB2-632-2 | 0.25 | 0.33 | 0.66 | 2730 | 68 | 0.81 | 5.5 | 2.2 | 2.2 | 61 | 1.8 |
YB2-711-2 | 0.37 | 0.5 | 0.96 | 2750 | 70 | 0.81 | 6.1 | 2.2 | 2.2 | 64 | 1.8 |
YB2-712-2 | 0.55 | 0.75 | 1.33 | 2790 | 73 | 0.82 | 6.1 | 2.2 | 2.3 | 64 | 1.8 |
YB2-80M1-2 | 0.75 | 1 | 1.8 | 2845 | 75 | 0.83 | 6.1 | 2.2 | 2.3 | 67 | 1.8 |
YB2-80M2-2 | 1.1 | 1.5 | 2.55 | 2840 | 78 | 0.84 | 7.0 | 2.2 | 2.3 | 67 | 1.8 |
YB2-90S-2 | 1.5 | 2 | 3.43 | 2840 | 79 | 0.84 | 7.0 | 2.2 | 2.3 | 72 | 1.8 |
YB2-90L-2 | 2.2 | 3 | 4.85 | 2840 | 81 | 0.85 | 7.0 | 2.2 | 2.3 | 72 | 1.8 |
YB2-100L-2 | 3 | 4 | 6.24 | 2850 | 83 | 0.87 | 7.5 | 2.2 | 2.3 | 76 | 1.8 |
YB2-112M-2 | 4 | 5.5 | 8.12 | 2890 | 85 | 0.88 | 7.5 | 2.2 | 2.3 | 77 | 1.8 |
YB2-132S1-2 | 5.5 | 7.5 | 11.1 | 2910 | 86 | 0.88 | 7.5 | 2.2 | 2.3 | 80 | 1.8 |
YB2-132S2-2 | 7.5 | 10 | 14.9 | 2920 | 87 | 0.88 | 7.5 | 2.2 | 2.3 | 80 | 1.8 |
YB2-160M1-2 | 11 | 15 | 21.5 | 2935 | 88.4 | 0.89 | 7.5 | 2.2 | 2.3 | 86 | 2.8 |
YB2-160M2-2 | 15 | 20 | 28.8 | 2935 | 89.4 | 0.89 | 7.5 | 2.2 | 2.3 | 86 | 2.8 |
YB2-160L-2 | 18.5 | 25 | 35.5 | 2935 | 90 | 0.9 | 7.5 | 2.0 | 2.3 | 86 | 2.8 |
YB2-180M-2 | 22 | 30 | 41 | 2940 | 90.5 | 0.9 | 7.5 | 2.0 | 2.3 | 89 | 2.8 |
YB2-200L1-2 | 30 | 40 | 55.4 | 2945 | 91.4 | 0.9 | 7.5 | 2.0 | 2.3 | 92 | 2.8 |
YB2-200L2-2 | 37 | 50 | 67.9 | 2945 | 92 | 0.9 | 7.5 | 2.0 | 2.3 | 92 | 2.8 |
YB2-225M-2 | 45 | 60 | 82.1 | 2950 | 92.5 | 0.9 | 7.5 | 2.0 | 2.3 | 92 | 2.8 |
YB2-250M-2 | 55 | 75 | 99.8 | 2965 | 93 | 0.9 | 7.5 | 2.0 | 2.3 | 93 | 3.5 |
YB2-280S-2 | 75 | 100 | 134.4 | 2965 | 93.6 | 0.9 | 7.5 | 2.0 | 2.3 | 94 | 3.5 |
YB2-280M-2 | 90 | 125 | 160.7 | 2965 | 93.9 | 0.91 | 7.1 | 2.0 | 2.3 | 94 | 3.5 |
YB2-315S-2 | 110 | 150 | 195.4 | 2975 | 94 | 0.91 | 7.1 | 1.8 | 2.2 | 96 | 3.5 |
YB2-315M-2 | 132 | 180 | 233.2 | 2975 | 94.5 | 0.91 | 7.1 | 1.8 | 2.2 | 96 | 3.5 |
YB2-315L1-2 | 160 | 215 | 279.3 | 2975 | 94.6 | 0.92 | 7.1 | 1.8 | 2.2 | 99 | 3.5 |
YB2-315L1-2 | 185 | 250 | 348.8 | 2975 | 94.6 | 0.92 | 7.1 | 1.8 | 2.2 | 99 | 3.5 |
YB2-315L2-2 | 200 | 270 | 323 | 2980 | 94.8 | 0.92 | 7.1 | 1.8 | 2.2 | 103 | 3.5 |
YB2-355M1-2 | 220 | 300 | 383.2 | 2980 | 94.8 | 0.92 | 7.1 | 1.8 | 2.2 | 103 | 3.5 |
YB2-355M2-2 | 250 | 340 | 433.2 | 1320 | 95.3 | 0.72 | 4.4 | 2.1 | 2.2 | 52 | 1.8 |
YB2-355L1-2 | 280 | 380 | 485.2 | 1320 | 95.3 | 0.73 | 4.4 | 2.1 | 2.2 | 52 | 1.8 |
YB2-355L2-2 | 315 | 420 | 544.1 | 1350 | 95.6 | 0.74 | 5.2 | 2.1 | 2.2 | 55 | 1.8 |
YB2-631--4 | 0.12 | 0.16 | 0.43 | 1340 | 58 | 0.75 | 5.2 | 2.1 | 2.3 | 55 | 1.8 |
YB2-632-4 | 0.18 | 0.24 | 0.65 | 1390 | 63 | 0.75 | 6.0 | 2.4 | 2.3 | 58 | 1.8 |
YB2-711-4 | 0.25 | 0.33 | 0.76 | 1380 | 69 | 0.76 | 6.0 | 2.3 | 2.3 | 58 | 1.8 |
YB2-712-4 | 0.37 | 0.5 | 1.1 | 1390 | 75 | 0.77 | 6.0 | 2.3 | 2.3 | 61 | 1.8 |
YB2-80M1-4 | 0.55 | 0.75 | 1.55 | 1410 | 78 | 0.79 | 7.0 | 2.3 | 2.3 | 61 | 1.8 |
YB2-80M2-4 | 0.75 | 1 | 2.03 | 1410 | 80 | 0.81 | 7.0 | 2.3 | 2.3 | 64 | 1.8 |
YB2-90S-4 | 1.1 | 1.5 | 2.85 | 1440 | 82 | 0.82 | 7.0 | 2.3 | 2.3 | 64 | 1.8 |
YB2-90L-4 | 1.5 | 2 | 3.7 | 1445 | 84 | 0.82 | 7.0 | 2.3 | 2.3 | 65 | 1.8 |
YB2-100L1-4 | 2.2 | 3 | 5.16 | 1445 | 85 | 0.83 | 7.0 | 2.3 | 2.3 | 71 | 1.8 |
YB2-100L2-4 | 3 | 4 | 6.78 | 1460 | 87 | 0.84 | 7.0 | 2.3 | 2.3 | 71 | 2.8 |
YB2-112M-4 | 4 | 5.5 | 8.82 | 1470 | 88 | 0.84 | 7.5 | 2.2 | 2.3 | 75 | 2.8 |
YB2-132S-4 | 5.5 | 7.5 | 11.6 | 1470 | 89 | 0.85 | 7.5 | 2.2 | 2.3 | 75 | 2.8 |
YB2-132M-4 | 7.5 | 10 | 15.4 | 1475 | 90.5 | 0.86 | 7.5 | 2.2 | 2.3 | 76 | 2.8 |
YB2-160M-4 | 11 | 15 | 22.3 | 1475 | 91 | 0.86 | 7.2 | 2.2 | 2.3 | 76 | 2.8 |
YB2-160L-4 | 15 | 20 | 30.1 | 1475 | 92 | 0.86 | 7.2 | 2.2 | 2.3 | 79 | 2.8 |
YB2-180M-4 | 18.5 | 25 | 36.5 | 1485 | 92.5 | 0.87 | 7.2 | 2.2 | 2.3 | 81 | 2.8 |
YB2-180L-4 | 22 | 30 | 43.1 | 1485 | 92.8 | 0.87 | 7.2 | 2.2 | 2.3 | 81 | 3.5 |
YB2-200L-4 | 30 | 40 | 57.6 | 1485 | 93 | 0.87 | 7.2 | 2.2 | 2.3 | 83 | 3.5 |
YB2-225S-4 | 37 | 50 | 69.9 | 1485 | 93.8 | 0.87 | 7.2 | 2.2 | 2.3 | 86 | 3.5 |
YB2-225M-4 | 45 | 60 | 84.7 | 1485 | 94.2 | 0.87 | 6.9 | 2.1 | 2.2 | 93 | 3.5 |
YB2-250M-4 | 55 | 75 | 103.3 | 1485 | 94.5 | 0.87 | 6.9 | 2.1 | 2.2 | 93 | 3.5 |
YB2-280S-4 | 75 | 100 | 139.6 | 1485 | 94.8 | 0.88 | 6.9 | 2.1 | 2.2 | 97 | 3.5 |
YB2-280M-4 | 90 | 125 | 166.8 | 1485 | 94.9 | 0.88 | 6.9 | 2.1 | 2.2 | 97 | 3.5 |
YB2-315S-4 | 110 | 150 | 198.7 | 1485 | 95 | 0.89 | 6.9 | 2.1 | 2.2 | 97 | 3.5 |
YB2-315M-4 | 132 | 180 | 237.7 | 1490 | 95.3 | 0.9 | 6.8 | 2.1 | 2.2 | 101 | 3.5 |
YB2-315L1-4 | 160 | 215 | 284.3 | 1490 | 95.6 | 0.9 | 6.8 | 2.1 | 2.2 | 101 | 3.5 |
YB2-315L1-4 | 185 | 250 | 328.7 | 1490 | 95.2 | 0.9 | 6.8 | 2.1 | 2.2 | 101 | 3.5 |
YB2-315L2-4 | 200 | 270 | 354.6 | 1490 | 95.2 | 0.9 | 6.8 | 2.1 | 2.2 | 101 | 3.5 |
YB2-355M1-4 | 220 | 300 | 390.1 | 1490 | 95.5 | 0.9 | 6.8 | 2.1 | 2.2 | 101 | 3.5 |
YB2-355M2-4 | 250 | 340 | 440.7 | 1490 | 95.5 | 0.9 | 6.8 | 2.1 | 2.2 | 101 | 3.5 |
YB2-355L2-4 | 280 | 380 | 494.9 | 1490 | 95.6 | 0.9 | 6.8 | 2.1 | 2.2 | 101 | 3.5 |
YB2-355L3-4 | 315 | 420 | 556.2 | 1490 | 95.6 | 0.9 | 6.8 | 2.1 | 2.2 | 101 | 3.5 |



Zhejiang Kailida Explosion-Proof Electromechanical Co., Ltd. is an advanced manufacturer integrating design, production, sales and service. We specialize in developing & manufacturing electric motor, explosion-proof motors. We make progress and improvement constantly with complete quality checking facilities and strict quality controlling feedback system.
Main products include YB2, YBFseries explosion-proof motor. YS, Y, Y2, Y3, YX3, YSF series three phase electric motor, YC, YY, YL series single phase motor. We have passed ISO9001: 2000 quality management system, CCC, EXDI, EXDII BT4, MA and CE certification. Our products have been distributed to Europe, Middle East, southeast Asia, Africa, and so on.
We believe "best quality, highest reputation, important clients". We offer high quality products with competitive price and best service. We sincerely hope to establish steady cooperation with customers all of the world based on mutual benefits.