This series of thermal overload relay can be used in the circuit of 50Hz or 60Hz, rated insulation voltage 660V, rated current 0.1-140A for protecting the phase break when the electric motor is overload. The relay has different mechanism and temperature compensation & can be pluged in LC1-D series AC contactor. It is the most advanced thermal relay in the nineties in the world. The products comply with IEC 60947-5.
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Type
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Rated working curren
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Thermal relay component
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Rated current (A)
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Regular or scale of rated current (A)
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LRD13
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25
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MBRD
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1301
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0.16
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0.10-0.16
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1302
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0.25
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0.16-0.25
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1303
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0.40
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0.25-0.40
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1304
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0.63
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0.40-0.63
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1305
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1.0
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0.63-1.0
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1306
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1.6
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1.0-1.6
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1307
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2.5
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1.6-2.5
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1308
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4.0
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2.5-4.0
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1310
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6.0
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4.0-6.0
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1312
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8.0
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5.5-8.0
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1314
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10.0
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7.0-10.0
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1316
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13.0
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9.0-13.0
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1321
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18.0
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12.0-18.0
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1322
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25.0
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17.0-25.0
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LRD23
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38
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MBRD
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2353
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32
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23.0-32.0
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2355
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38
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28.0-36.0
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LRD33
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140
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MBRD
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3353
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32
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23.0-32.0
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3355
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40
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30.0-40.0
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3357
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50
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37.0-50.0
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3359
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65
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48.0-65.0
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3361
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70
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55.0-70.0
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3363
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80
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63.0-80.0
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3365
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104
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80.0-104.0
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3367
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120
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95.0-120.0
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3369
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140
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110.0-140.0
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LRD43
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140
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MBRD
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4365
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104
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80.0-104.0
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4367
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120
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95.0-120.0
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4369
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140
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110.0-140.0
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