BP2系列频敏变阻器与BP1系列一样，用于轻载起动，电机容量10～1120千瓦。如空压机、水泵等。结构与BP1系列不同之处是铁芯是用方钢制成。根据电机容量不同铁j芯排数可为1～4排。BP2频敏变阻器是由三相绕组，厚钢板做成的铁芯制成。电机起动时，因转差***，感抗大，可限制起动电流，随着转速增加，差率下降，感抗减小，转子电流增加，完成起动过程。BP2频敏变阻器可长期接在转子回路。也可用接触器予以短接。
BP4-02501,BP4-04002,BP4-05003,BP4-06304,BP4-08005,BP4-10006,BP4-12507,BP4-16008,BP4-20009,BP4-25010,BP4-31511,BP4-40012,BP4-50013,BP4-02501/22003,BP4-02501/11504,BP4-02501/12505,BP4-02501/10006,BP4-02501/08008,BP4-02501/24504,,BP4-02501/14006,BP4-02501/11208,BP4-02501/09010,BP4-04002/11208,BP4-04002/09010,BP4-04002/07113,BP4-04002/05616,BP4-04002/04520,BP4-04002/03625,BP4-04002/10010,BP4-04002/08012,BP4-04002/06316,BP4-04002/05020,BP4-04002/04025,BP4-04002/03232,BP4-04002/10006,BP4-04002/08008,BP4-04002/06310,BP4-04002/05013,BP4-04002/04016,BP4-04002/03220,BP4-04002/15506,BP4-04002/12508,BP4-05003/11206,BP4-05003/09008,BP4-05003/07110,BP4-05003/05613,BP4-05003/04516,BP4-05003/03620,BP4-05003/12508,BP4-05003/10010,BP4-05003/08013,BP4-05003/06316,BP4-05003/05020,BP4-05003/04025,BP4-05003/11210,BP4-05003/07116,BP4-05003/05620,BP4-05003/04525,BP4-05003/03632,BP4-05003/09012,BP4-06304/16006,BP4-06304/12508,BP4-06304/10010,BP4-06304/08013,BP4-06304/06316,BP4-06304/05020,BP4-06304/17908,BP4-06304/14010,BP4-06304/11213,BP4-06304/09016,BP4-06304/07120,BP4-06304/05625,BP4-06304/16010,BP4-06304/12512,BP4-06304/10016,BP4-06304/08020,BP4-06304/06325,BP4-06304/05032,BP4-08005/11210,BP4-08005/09013,BP4-08005/07116,BP4-08005/05620,BP4-08005/04525,BP4-08005/03632,BP4-08005/12513,BP4-08005/10016,BP4-08005/08020,BP4-08005/06325,BP4-08005/05032,BP4-08005/04040,BP4-08005/11216,BP4-08005/09020,BP4-08005/07125,BP4-08005/05632,BP4-08005/04540,BP4-08005/03650,BP4-08005/10020,BP4-08005/08025,BP4-08005/06332,BP4-08005/05040,BP4-10006/12510,BP4-10006/10013,BP4-10006/08016,BP4-10006/06320,BP4-10006/05025,BP4-10006/14032,BP4-10006/14013,BP4-10006/11216,BP4-10006/09020,BP4-10006/07125,BP4-10006/05632,BP4-10006/04540,BP4-10006/12516,BP4-10006/10020,BP4-10006/08025,BP4-10006/06332,BP4-10006/05040,BP4-10006/04050,BP4-10006/09025,BP4-10006/07132,BP4-10006/05640,BP4-10006/04550,BP4-12507/11213,BP4-12507/09016,BP4-12507/07120,BP4-12507/05625,BP4-12507/04532,BP4-12507/03640,BP4-12507/12516,BP4-12507/10020,BP4-12507/08025,BP4-12507/06332,BP4-12507/05040,BP4-12507/04050,BP4-12507/11220,BP4-12507/09025,BP4-12507/07132,BP4-12507/05640,BP4-12507/04550,BP4-12507/03662,BP4-16008/08020,BP4-16008/06325,BP4-16008/05032,BP4-16008/04040,BP4-16008/09025,BP4-16008/07132,BP4-16008/05640,BP4-16008/04550,BP4-16008/08032,BP4-16008/06340,BP4-16008/05050,BP4-16008/04063,BP4-16008/10025,BP4-20009/09020,BP4-20009/07125,BP4-20009/05632,BP4-20009/04540,BP4-20009/10025,BP4-20009/08032,BP4-20009/06340,BP4-20009/05050,BP4-20009/09032,BP4-20009/07140,BP4-20009/05650,BP4-20009/04563,BP4-25010/09020,BP4-25010/07125,BP4-25010/05632,BP4-25010/04540,BP4-25010/10025,BP4-25010/08032,BP4-25010/06340,BP4-25010/05050,BP4-25010/09032,BP4-25010/07140,BP4-25010/05650,BP4-25010/04563,BP4-31511/08025,BP4-31511/06332,BP4-31511/05040,BP4-31511/04050,BP4-31511/09032,BP4-31511/07140,BP4-31511/05650,BP4-31511/04563,BP4-31511/08040,BP4-31511/06350,BP4-31511/05063,BP4-31511/06340,BP4-40012/10025,BP4-40012/08032,BP4-40012/06340,BP4-40012/05050,BP4-40012/11232,BP4-40012/09040,BP4-40012/09050,BP4-40012/07150,BP4-40012/05663,BP4-40012/10040,BP4-40012/08050,BP4-40012/06363,BP4-40012/07140,BP4-50013/11225,BP4-50013/09032,BP4-50013/07140,BP4-50013/05650,BP4-50013/05063,BP4-50013/12532,BP4-50013/10040,BP4-50013/08050,BP4-50013/06363,BP4-50013/06340,BP4-50013/11240,BP4-50013/0905
BP2-701/3613，BP2-701/4113，BP2-701/4713，BP2-701/5409，BP2-701/6209，
BP2-701/8206，BP2-701/9506，BP2-701/10906，BP2-701/12506，BP2-701/14404，
BP2-702/2426，BP2-702/2722，BP2-702/3122，BP2-702/3618，BP2-702/4115，
BP2-702/4713，BP2-702/5413，BP2-702/6213，BP2-702/7209，BP2-702/8209，BP2-702/9506，
BP2-703/2130，BP2-703/2426，BP2-703/2722，BP2-703/3122，BP2-703/3618，
BP2-703/4115，BP2-703/4713，BP2-703/5413，BP2-703/6213，BP2-703/7209，BP2-703/8209，
BP2-704/1836，BP2-704/2130，BP2-704/2426，BP2-704/2722，BP2-704/3122，
BP2-704/3618，BP2-704/4115，BP2-704/4713，BP2-704/5413，BP2-704/6213
BP3-204/16003,BP3-204/12504,BP3-204/10005,BP3-204/8006,BP3-205/10005,
BP3-205/8006,BP3-205/6308,BP3-205/5010,BP3-205/4012,BP3-205/12504,
BP3-206/10005,BP3-206/8006,BP3-206/6308,BP3-206/5010,BP3-206/4012,
BP3-206/3216,BP3-208/10005,BP3-208/8006,BP3-208/6308,BP3-208/5010,
BP3-208/4012,BP3-208/3216,BP3-208/2520,BP3-210/8006,BP3-210/6308,
BP3-210/5010,BP3-210/4012,BP3-210/3216,BP3-210/2520,BP3-212/4012,
BP3-212/3216,BP3-212/2520,BP3-212/2025,BP3-212/1632,BP3-305/5016,
BP3-305/4020,BP3-305/3225,BP3-305/2532,BP3-305/2040,BP3-305/6312,
BP3-306/5016,BP3-306/4020,BP3-306/3225,BP3-306/2532,BP3-306/2040,
BP3-306/1650,BP3-306/6312,BP3-306/5016,BP3-306/4020,BP3-306/3225,
BP3-306/2532,BP3-308/4020,BP3-308/3225,BP3-308/2532,BP3-308/2040,
BP3-308/1650,BP3-308/6312,BP3-308/5016,BP3-310/4020,BP3-310/3225,
BP3-310/2532,BP3-310/2040,BP3-310/1650,BP3-310/5016,BP3-310/6312,
BP3-312/4020,BP3-312/3225,BP3-312/2532,BP3-312/2040,BP3-312/1650,
BP3-312/5016,BP3-312/6312,BP3-316/4020,BP3-316/3225,BP3-316/2532,
BP3-316/2040,BP3-316/1650,BP3-316/5016,BP3-316/6312,BP3-316/1650,
BP3-003/11203,BP3-005/10004,BP3-005/10003,BP3-005/8003,BP3-008/10004
BP3-008/8004,BP3-008/8006,BP3-008/8003,BP3-506/8006,BP3-506/5010,
BP3-506/6308,BP3-506/10005,BP3-508/5010,BP3-508/6308,BP3-508/8006,
BP3-512/3216,BP3-512/4010,BP3-512/4012,BP3-512/6310,BP3-512/4016,
BP3-512/5010,BP3-406/6316,BP3-406/3225,BP3-406/6308,BP3-406/5010,
BP3-406/6312,BP3-406/3232,BP3-406/8006,BP3-406/5016,BP3-406/2532,
BP3-406/8010,BP3-410/3225,BP3-410/5016,BP3-410/4016,BP3-410/2525,
BP3-410/3216,BP3-410/2532,BP3-410/5012,BP3-410/4020,BP3-410/2040,
BP3-412/2532,BP3-412/5016,BP3-412/3216,BP3-412/4012,BP3-412/3232,
BP3-412/2032,BP3-412/4016,BP3-412/4020,BP3-412/3225,BP3-408/5016,
BP3-408/4016,BP3-408/5010,BP3-408/4012,BP3-408/3216,BP3-408/5012,
BP3-408/8010,BP3-408/8006,BP3-408/4020,BP3-408/6308,BP3-408/3232,
BP3-012/8004,BP3-012/6306,BP3-012/6304,BP3-012/6305,BP3-510/5008,
BP3-510/4010,BP3-510/6304,BP3-510/5006,BP3-510/6306,BP3-510/8004,
BP3-510/6308,BP3-510/5010,BP3-510/8006,BP3-004/10003,BP3-006/10003,
BP3-006/8004,BP3-010/8004,BP3-010/6305,BP3-504/12504,BP3-504/10005,
BP3-416/2040,BP3-416/3225,BP3-416/1650,BP3-416/2532