CHINA FACTORY JR SERIES THREE-PHASE ASYNCHRONOUS ELECTRIC MOTORS WITH PROTECTIVE WINDING ROTORS YJR500-8 280KW / 8 POLE / 415V / 50HZ SLIP RING MOTOR. CHINA FACTORY YJR ELECTRIC MOTORS FOR STEEL GRINDER,SUGAR, CEMENT, PUMP, FAN

CHINA FACTORY JR SERIES THREE-PHASE ASYNCHRONOUS ELECTRIC MOTORS WITH PROTECTIVE WINDING ROTORS YJR500-8 280KW / 8 POLE / 415V / 50HZ SLIP RING MOTOR. CHINA FACTORY YJR ELECTRIC MOTORS FOR STEEL GRINDER,SUGAR, CEMENT, PUMP, FAN
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  • CHINA FACTORY JR SERIES THREE-PHASE ASYNCHRONOUS ELECTRIC MOTORS WITH PROTECTIVE WINDING ROTORS YJR500-8 280KW / 8 POLE / 415V / 50HZ SLIP RING MOTOR. CHINA FACTORY YJR ELECTRIC MOTORS FOR STEEL GRINDER,SUGAR, CEMENT, PUMP, FAN
Product name : CHINA FACTORY JR SERIES THREE-PHASE ASYNCHRONOUS ELECTRIC MOTORS WITH PROTECTIVE WINDING ROTORS YJR500-8 280KW / 8 POLE / 415V / 50HZ SLIP RING MOTOR. CHINA FACTORY YJR ELECTRIC MOTORS FOR STEEL GRINDER,SUGAR, CEMENT, PUMP, FAN
Product No. : 20201225163824
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Group Company of Sealocean is Suppliers, Manufacturers and factory, we offer top quality and commetitive electric motor HIGH-VOLTAG WOUND ROTOR SLIP RING ELECTRIC MOTORS CHINA FACTORY HIGH-VOLTAGE IP23 WOUND ROTOR SLIP RING ELECTRIC MOTORS YR SERIES

Our main Motor products can be divided into 8 categories with 50 kinds of specifications as follow: 1) YB2 Series Explosion-proof Three-Phase Asynchronous Induction Motors for Factory and Mining 2) YBS, YBK2, YBF2, YBD2, YBGB2, YBPT, YBJ Series Explosion-proof Three-Phase Asynchronous Induction Motors for Mining 3) Y, YKK, YKS (6KV, 10KV), H355-H800 High Voltage Three-Phase Asynchronous Induction Motors 4) YR, YRKK, YRKS (6KV, 10KV), H355-H710 Inserted-line High Voltage Three-Phase Asynchronous Induction Motors 5) YB H355-H800 Series Explosion-proof High Voltage Three-Phase Asynchronous Induction Motors (6KV, 10KV) 6) T, TL, TK Series Synchronous Motors and TAW Increased-safety Explosion-proof Synchronous Motors7)YR (IP23), YR (IP44), YR 2 (IP54), YR3 (IP54), JR, JRL, YRL series wound rotor motors and RSBX oilfield special rotor variable frequency regulation speed motors;YZR,YR3,YZ,YZP series motors for metallur giga and hoisting applications and variable frequency regulation speed motors; Y、Y2、Y3、JS、JSL、YL series cage rotor motors and variable frequency regulation speed motors;YTS series motors for hoisting; 8)D. C. Motor series includes Z .Z2 ,Z710Gseries, Z4 series, ZZJ800 series for mill auxiliary, ZSN4 series for cement rotary kiln, ZYZJ series for sugar cane mill, ZFQZ series frequency starting and braking type, 




YJR series motors are three-phase asynchronous motors with protective wound rotors, the cooling method is IC01, and the continuous working system (S1). This series of motors can drive a variety of different machinery, such as ventilators, water pumps, crushers, ball mills, winches, hoists, conveyors and other equipment. It can also be used as original equipment in mines, machinery industry, power plants and various industrial and mining enterprises. Use for motivation.
The altitude of the operating location is not more than 1000 meters; the ambient air temperature changes with the seasons, but it does not exceed +40°C and not less than -15°C. It is suitable for clean natural places without flammable, explosive and corrosive gas.
The motors are equipped with bearing non-stop oil injection and drainage devices. The end cover and the air inlet and outlet holes of the base are equipped with grille nets. The structure and installation type are IMB3 (machine base with feet, end cover without flange, horizontal).
The motor adopts 155 (F grade) insulation, the rated voltage is 380V (also can be made into 660V), the rated frequency is 50Hz, the stator is △ connection (660V is Y connection); the rotor is Y connection, and the stator and rotor are both equipped with There are separate right outlet junction boxes.
This series of motors can provide a larger starting torque under a smaller starting current, and can adjust the speed within a certain range.
This series of motors can be started directly at full voltage, but the rotor circuit should be connected to a starting rheostat or frequency-sensitive resistor when starting, and the three lead wires of the rotor winding should be short-circuited during normal operation after starting. It is not allowed to directly short-circuit the use of the collector ring or brush holder (including three lead wires). The figure below is the wiring schematic diagram using starting rheostat (for reference)
2. YJRL series motor
YJRL series of vertical installation protective wound rotor three-phase asynchronous motor is a derivative product of YJR series motor. The motor cooling method is IC01, continuous working system (S1), and the structure and installation type are IMV1 (the base has no feet, the end cover has a flange, the vertical type, the shaft extends downward).
The technical data of YJRL series motors are the same as YJR series motors.
YJRL series motors are suitable for vertical installation of mechanical equipment such as vertical water pumps and fans as prime movers.
3. Additional explanation
YJR and YJRL series motors must not bear the axial thrust of the driven machine, and can only be coupled with the driven machine by an elastic coupling.
YJR and YJRL series motors do not have a non-reverse device, allowing short-term reverse rotation under the action of external force, but the speed shall not exceed 120% of the rated speed.
According to the needs of users, YJR and YJRL series motors can also be made into double-shaft extension or non-shaft extension end (collector ring end) reserved with special design such as additional device interface.

TYPE  kW Volts HZ RPM AMPS EF% P.F. Tm Rotor Lp J kgm2 kg Bearings
(Delta) V I (dB) DE NDE
YR-200L1-4 (IP23) YR2-200L1-4 (IP54) YR3-200L1-4 (IP54) 18.5 400 50 1470 33.9 90.3 0.87 3 239.4 47.6 85 0.29 272 6312 6312
YR-200L2-4 (IP23) YR2-200L2-4 (IP54) YR3-200L2-4 (IP54) 22 400 50 1470 40 91 0.87 3 280.9 48 85 0.32 286
YR-225M2-4 (IP23) YR2-225M2-4 (IP54) YR3-225M2-4 (IP54) 30 400 50 1475 52.3 92.2 0.89 3 350 51.5 87 0.63 376 6313 6313
YR-250M1-4 (IP23) YR2-250M1-4 (IP54) YR3-250M1-4 (IP54) 37 400 50 1480 67 92.2 0.86 3 290 78.9 89 0.87 460 6314 6314
YR-250M2-4 (IP23) YR2-250M2-4 (IP54) YR3-250M2-4 (IP54) 45 400 50 1480 80 92.9 0.87 3 338.7 81.7 89 0.98 520
YR-280S-4 (IP23) YR2-280S-4 (IP54) YR3-280S-4 (IP54) 55 400 50 1480 97 92.6 0.88 3 466.4 71.5 89 1.86 655 6317 6317
YR-280M-4 (IP23) YR2-280M-4 (IP54) YR3-280M-4 (IP54) 75 400 50 1485 131 93.6 0.88 3 381.7 118 90 2.41 765
YR-315S-4 (IP23) YR2-315S-4 (IP54) YR3-315S-4 (IP54) 90 400 50 1486 157 93.8 0.88 3 334 159 90 3.97 1175 NU319 6319
YR-315M-4 (IP23) YR2-315M-4 (IP54) YR3-315M-4 (IP54) 110 400 50 1486 189 94.8 0.88 3 340 191 90 4.59 1300
YR-315L1-4 (IP23) YR2-315L1-4 (IP54) YR3-315L1-4 (IP54) 132 400 50 1488 226 94.8 0.89 3 419 185 93 5.33 1360
YR-315L2-4 (IP23) YR2-315L2-4 (IP54) YR3-315L2-4 (IP54) 160 400 50 1489 271 94.8 0.9 3 496 189 94 6.11 1450
YR-355M1-4 (IP23) YR2-355M1-4 (IP54) YR3-355M1-4 (IP54) 200 400 50 1489 329 95.2 0.92 3 531 227 94 10.03 1952 NU322 6322
YR-355M2-4 (IP23) YR2-355M2-4 (IP54) YR3-355M2-4 (IP54) 250 400 50 1489 410 95.5 0.92 3 638 236 96 11.33 2078
YR-355L-4 (IP23) YR2-355L-4 (IP54) YR3-355L-4 (IP54) 280 400 50 1490 456 95.8 0.92 3 709 237 96 12.47 2194
YR-400L1-4 (IP23) YR2-400L1-4 (IP54) YR3-400L1-4 (IP54) 315 400 50 1485 524 95.1 0.905 2.8 557 340 111 17.85 3390 NU324 6324
YR-400L2-4 (IP23) YR2-400L2-4 (IP54) YR3-400L2-4 (IP54) 355 400 50 1486 587 95.2 0.905 2.8 620 344 111 19.34 3515
YR-400L3-4 (IP23) YR2-400L3-4 (IP54) YR3-400L3-4 (IP54) 400 400 50 1487 659 95.4 0.905 2.8 698 343 111 21.11 3655
YR-200L1-6 (IP23) YR2-200L1-6 (IP54) YR3-200L1-6 (IP54) 15 400 50 980 29.4 89.7 0.82 2.8 199.3 48 78 0.41 276 6312 6312
YR-225M1-6 (IP23) YR2-225M1-6 (IP54) YR3-225M1-6 (IP54) 18.5 400 50 980 35.3 90.4 0.84 2.8 187 62.5 80 0.65 335 6313 6313
YR-225M2-6 (IP23) YR2-225M2-6 (IP54) YR3-225M2-6 (IP54) 22 400 50 980 41.6 91 0.84 2.8 224 61 80 0.72 360
YR-250M1-6 (IP23) YR2-250M1-6 (IP54) YR3-250M1-6 (IP54) 30 400 50 985 55.3 91.4 0.85 2.8 284.7 66.3 80 1.22 480 6314 6314
YR-250M2-6 (IP23) YR2-250M2-6 (IP54) YR3-250M2-6 (IP54) 37 400 50 985 69 91.9 0.84 2.8 337.9 68.5 81 1.35 520
YR-280S-6 (IP23) YR2-280S-6 (IP54) YR3-280S-6 (IP54) 45 400 50 985 82 92.5 0.86 2.8 360.9 77.6 82 2.41 645 6317 6317
YR-280M-6 (IP23) YR2-280M-6 (IP54) YR3-280M-6 (IP54) 55 400 50 985 98 93.1 0.86 2.8 486 70.1 82 2.74 695
YR-315S-6 (IP23) YR2-315S-6 (IP54) YR3-315S-6 (IP54) 75 400 50 990 135 93.5 0.86 2.8 470 98 86 5.48 745 NU319 6319
YR-315M-6 (IP23) YR2-315M-6 (IP54) YR3-315M-6 (IP54) 90 400 50 990 161 94.1 0.86 2.8 489 113 86 6.25 1335
YR-315L1-6 (IP23) YR2-315L1-6 (IP54) YR3-315L1-6 (IP54) 110 400 50 990 192 94.6 0.87 2.8 485 140 86 7.3 1421
YR-315L2-6 (IP23) YR2-315L2-6 (IP54) YR3-315L2-6 (IP54) 132 400 50 990 232 94.8 0.86 2.8 477 170 86 8.45 1430
YR-355M1-6 (IP23) YR2-355M1-6 (IP54) YR3-355M1-6 (IP54) 160 400 50 992 281 95 0.86 2.8 471 205 89 12.28 1950 NU322 6322
YR-355M2-6 (IP23) YR2-355M2-6 (IP54) YR3-355M2-6 (IP54) 200 400 50 993 346 95.5 0.87 2.8 577 209 90 14.86 2164
YR-355L-6 (IP23) YR2-355L-6 (IP54) YR3-355L-6 (IP54) 220 400 50 993 381 95.5 0.87 2.8 649 204 90 16.71 2273
YR-400L1-6 (IP23) YR2-400L1-6 (IP54) YR3-400L1-6 (IP54) 250 400 50 989 444 94.5 0.86 2.6 446 337 108 20.69 3345 NU324 6324
YR-400L2-6 (IP23) YR2-400L2-6 (IP54) YR3-400L2-6 (IP54) 315 400 50 990 553 94.8 0.86 2.6 536 352 108 23.73 3545
YR-400L3-6 (IP23) YR2-400L3-6 (IP54) YR3-400L3-6 (IP54) 355 400 50 992 627 95.1 0.86 2.8 670 315 108 28.28 3835
YR-200L-8 (IP23) YR2-200L-8 (IP54) YR3-200L-8 (IP54) 11 400 50 730 23.7 88.4 0.75 2.4 147.3 47.3 74 0.41 276 6312 6312
YR-225M1-8 (IP23) YR2-225M1-8 (IP54) YR3-225M1-8 (IP54) 15 400 50 735 31.9 89.7 0.75 2.4 169 56 76 0.71 357 6313 6313
YR-225M2-8 (IP23) YR2-225M2-8 (IP54) YR3-225M2-8 (IP54) 18.5 400 50 735 39.1 90.6 0.75 2.4 211 54 76 0.83 387
YR-250M1-8 (IP23) YR2-250M1-8 (IP54) YR3-250M1-8 (IP54) 22 400 50 735 44.5 90.4 0.79 2.4 213.9 64.9 77 1.18 480 6314 6314
YR-250M2-8 (IP23) YR2-250M2-8 (IP54) YR3-250M2-8 (IP54) 30 400 50 735 61.5 91.2 0.77 2.4 274 68.4 78 1.4 520
YR-280S-8 (IP23) YR2-280S-8 (IP54) YR3-280S-8 (IP54) 37 400 50 740 74 91.8 0.79 2.4 281 81.7 78 2.36 645 6317 6317
YR-280M-8 (IP23) YR2-280M-8 (IP54) YR3-280M-8 (IP54) 45 400 50 740 86 92.8 0.8 2.4 357.7 77.7 80 3 735
YR-315S-8 (IP23) YR2-315S-8 (IP54) YR3-315S-8 (IP54) 55 400 50 742 104 93 0.8 2.4 486 69 81 5.24 1050 NU319 6319
YR-315M-8 (IP23) YR2-315M-8 (IP54) YR3-315M-8 (IP54) 75 400 50 742 139 93.8 0.81 2.4 498 91 83 6.82 1386
YR-315L1-8 (IP23) YR2-315L1-8 (IP54) YR3-315L1-8 (IP54) 90 400 50 743 172 94.1 0.8 2.4 504 108 83 7.82 1475
YR-315L2-8 (IP23) YR2-315L2-8 (IP54) YR3-315L2-8 (IP54) 110 400 50 743 209 94 0.81 2.4 514 129 83 9.21 1485
YR-355M1-8 (IP23) YR2-355M1-8 (IP54) YR3-355M1-8 (IP54) 132 400 50 743 246 94.4 0.82 2.4 462 171 86 13.24 1908 NU322 6322
YR-355M2-8 (IP23) YR2-355M2-8 (IP54) YR3-355M2-8 (IP54) 160 400 50 744 294 94.5 0.83 2.4 562 170 86 16.05 2086
YR-355L-8 (IP23) YR2-355L-8 (IP54) YR3-355L-8 (IP54) 185 400 50 744 345 94.5 0.82 2.4 655 168 86 17.84 2203
YR-400L1-8 (IP23) YR2-400L1-8 (IP54) YR3-400L1-8 (IP54) 200 400 50 740 404 93.8 0.76 3 464 257 102 18.9 3275 NU324 6324
YR-400L2-8 (IP23) YR2-400L2-8 (IP54) YR3-400L2-8 (IP54) 250 400 50 740 498 94 0.76 3 557 267 105 21.94 3470
YR-400L3-8 (IP23) YR2-400L3-8 (IP54) YR3-400L3-8 (IP54) 315 400 50 740 624 94.5 0.76 3
 
GROUP OF COMPANY SEALOCEAN- we are leading manufacture for electric motor, Our main Motor products can be divided into 8 categories with 50 kinds of specifications as follow: 1) YB2 Series Explosion-proof Three-Phase Asynchronous Induction Motors for... [View More]
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