2相PK系列是1转200分割（1.8°/step）的高转矩·低振动的步进电动机。除了1转200分割的标准机型外，另外还备有1转400分割的高分辨率型以及高转矩·高分辨率的减速机型。驱动本系列时需另购驱动器。

2相PK系列型号有:

PK223PA
PK223PA-SG10
PK223PA-SG18
PK223PA-SG36
PK223PA-SG7.2
PK223PA-SG9
PK223PB
PK224PA
PK224PB
PK225PA
PK225PB
PK233PA
PK233PB
PK235PA
PK235PB
PK243-01A
PK243-01AA
PK243-01AA-H
PK243-01B
PK243-01BA
PK243-02A
PK243-02AA
PK243-02AA-H
PK243-02B
PK243-02BA
PK243-03A
PK243-03AA
PK243-03AA-H
PK243-03B
PK243-03BA
PK243A1A-SG10
PK243A1A-SG18
PK243A1A-SG3.6
PK243A1A-SG36
PK243A1A-SG7.2
PK243A1A-SG9
PK243A1-SG
PK243A1-SG10
PK243A1-SG100
PK243A1-SG18
PK243A1-SG3.6
PK243A1-SG36
PK243A1-SG50
PK243A1-SG7.2
PK243A1-SG9
PK243A1-SG-P
PK243A2A-SG10
PK243A2A-SG18
PK243A2A-SG3.6
PK243A2A-SG36
PK243A2-SG
PK243A2-SG10
PK243A2-SG18
PK243A2-SG36
PK243A2-SG-P
PK243B1A-SG10
PK243B1A-SG18
PK243B1A-SG3.6
PK243B1A-SG36
PK243B1A-SG7.2
PK243B1A-SG9
PK243B1-SG
PK243B1-SG10
PK243B1-SG100
PK243B1-SG18
PK243B1-SG3.6
PK243B1-SG36
PK243B1-SG50
PK243B1-SG7.2
PK243B1-SG9
PK243B1-SG-P
PK243B2A-SG18
PK243B2A-SG3.6
PK243B2-SG
PK243B2-SG3.6
PK243B2-SG36
PK243B2-SG-P
PK243M-01A
PK243M-01AA
PK243M-01B
PK243M-01BA
PK243M-02A
PK243M-02AA
PK243M-02B
PK243M-02BA
PK243M-03A
PK243M-03AA
PK243M-03B
PK243M-03BA
PK243MA
PK243MAA
PK243MB
PK243MBA
PK244-01A
PK244-01AA
PK244-01B
PK244-01BA
PK244-02A
PK244-02AA
PK244-02B
PK244-02BA
PK244-03A
PK244-03AA
PK244-03B
PK244-03BA
PK244-04A
PK244-04AA
PK244-04B
PK244-04BA
PK244M-01A
PK244M-01AA
PK244M-01B
PK244M-01BA
PK244M-02A
PK244M-02AA
PK244M-02B
PK244M-02BA
PK244M-03A
PK244M-03AA
PK244M-03B
PK244M-03BA
PK244MA
PK244MAA
PK244MB
PK244MBA
PK244PA
PK245-01A
PK245-01AA
PK245-01B
PK245-01BA
PK245-01B-N
PK245-02A
PK245-02AA
PK245-02AA-H
PK245-02B
PK245-02BA
PK245-03A
PK245-03AA
PK245-03B
PK245-03BA
PK245M-01A
PK245M-01AA
PK245M-01B
PK245M-01BA
PK245M-02A
PK245M-02AA
PK245M-02B
PK245M-02BA
PK245M-03A
PK245M-03AA
PK245M-03B
PK245M-03BA
PK245MA
PK245MAA
PK245MBA
PK246PA
PK256-02A
PK256-02B
PK264-01A
PK264-01AR11
PK264-01AR12
PK264-01B
PK264-02A
PK264-02AR11
PK264-02AR12
PK264-02B
PK264-03A
PK264-03AR11
PK264-03AR12
PK264-03B
PK264A1A-SG10
PK264A1A-SG18
PK264A1A-SG3.6
PK264A1A-SG36
PK264A1A-SG7.2
PK264A1A-SG9
PK264A1-SG10
PK264A1-SG18
PK264A1-SG3.6
PK264A1-SG36
PK264A1-SG7.2
PK264A1-SG9
PK264A2A-SG10
PK264A2A-SG18
PK264A2A-SG3.6
PK264A2A-SG36
PK264A2A-SG7.2
PK264A2A-SG9
PK264A2-SG
PK264A2-SG10
PK264A2-SG100
PK264A2-SG18
PK264A2-SG3.6
PK264A2-SG36
PK264A2-SG50
PK264A2-SG7.2
PK264A2-SG9
PK264AE-SG
PK264AE-SG10
PK264AE-SG18
PK264AE-SG3.6
PK264AE-SG36
PK264AE-SG7.2
PK264AE-SG9
PK264B1A-SG10
PK264B1A-SG18
PK264B1A-SG3.6
PK264B1A-SG36
PK264B1A-SG7.2
PK264B1-SG10
PK264B1-SG18
PK264B1-SG3.6
PK264B1-SG36
PK264B1-SG7.2
PK264B1-SG9
PK264B2A-SG10
PK264B2A-SG18
PK264B2A-SG3.6
PK264B2A-SG36
PK264B2A-SG7.2
PK264B2A-SG9
PK264B2-SG
PK264B2-SG10
PK264B2-SG100
PK264B2-SG18
PK264B2-SG3.6
PK264B2-SG36
PK264B2-SG50
PK264B2-SG7.2
PK264B2-SG9
PK264BE-SG
PK264BE-SG10
PK264BE-SG18
PK264BE-SG3.6
PK264BE-SG36
PK264BE-SG7.2
PK264BE-SG9
PK264-E2.0A
PK264-E2.0AR11
PK264-E2.0AR12
PK264-E2.0B
PK264JA
PK264JB
PK264JDA
PK264JDB
PK264M-01A
PK264M-01AR11
PK264M-01AR12
PK264M-01B
PK264M-02A
PK264M-02AR11
PK264M-02AR12
PK264M-02B
PK264M-03A
PK264M-03AR11
PK264M-03AR12
PK264M-03B
PK264M-E2.0A
PK264M-E2.0AR11
PK264M-E2.0AR12
PK264M-E2.0B
PK266-01A
PK266-01AR11
PK266-01AR12
PK266-01B
PK266-02A
PK266-02AR11
PK266-02AR12
PK266-02B
PK266-03A
PK266-03AR11
PK266-03AR12
PK266-03B
PK266-E2.0A
PK266-E2.0AR11
PK266-E2.0AR12
PK266-E2.0B
PK266JA
PK266JB
PK266JDA
PK266JDB
PK266M-01A
PK266M-01AR11
PK266M-01AR12
PK266M-01B
PK266M-02A
PK266M-02AR11
PK266M-02AR12
PK266M-02B
PK266M-03A
PK266M-03AR11
PK266M-03AR12
PK266M-03B
PK266MA
PK266MB
PK266M-E2.0A
PK266M-E2.0AR11
PK266M-E2.0AR12
PK266M-E2.0B
PK267JA
PK267JB
PK267JDA
PK267JDB
PK268-01A
PK268-01B
PK268-02A
PK268-02B
PK268-03A
PK268-03B
PK268-E2.0A
PK268-E2.0B
PK268M-01A
PK268M-01B
PK268M-02A
PK268M-02B
PK268M-03A
PK268M-03B
PK268MA
PK268MB
PK268M-E2.0A
PK268M-E2.0B
PK269JA
PK269JB
PK269JDA
PK269JDB
PK2913-01A
PK2913-01AA
PK2913-01B
PK2913-01BA
PK2913-02A
PK2913-02AA
PK2913-02AAT
PK2913-02B
PK2913-02BA
PK2913-E4.0A
PK2913-E4.0B
PK2913-E4.0T
PK2913-F4.0A
PK2913-F4.0B
PK296-01A
PK296-01AA
PK296-01B
PK296-01BA
PK296-02A
PK296-02AA
PK296-02B
PK296-02BA
PK296-03A
PK296-03AA
PK296-03AAT
PK296-03B
PK296-03BA
PK296A1A-SG10
PK296A1A-SG18
PK296A1A-SG3.6
PK296A1A-SG36
PK296A1A-SG7.2
PK296A1A-SG9
PK296A1A-SG-P
PK296A1-SG
PK296A1-SG10
PK296A1-SG18
PK296A1-SG3.6
PK296A1-SG36
PK296A1-SG7.2
PK296A1-SG9
PK296A2A-SG10
PK296A2A-SG18
PK296A2A-SG3.6
PK296A2A-SG36
PK296A2A-SG7.2
PK296A2A-SG-P
PK296A2-SG
PK296A2-SG10
PK296A2-SG18
PK296A2-SG3.6
PK296A2-SG36
PK296A2-SG9
PK296AE-SG
PK296AE-SG10
PK296AE-SG18
PK296AE-SG3.6
PK296AE-SG36
PK296AE-SG7.2
PK296AE-SG9
PK296B1A-SG
PK296B1A-SG18
PK296B1A-SG3.6
PK296B1A-SG7.2
PK296B1A-SG-P
PK296B1-SG10
PK296B1-SG18
PK296B1-SG3.6
PK296B1-SG36
PK296B1-SG9
PK296B2A-SG
PK296B2A-SG18
PK296B2A-SG-P
PK296B2-SG10
PK296B2-SG3.6
PK296B2-SG36
PK296BE-SG
PK296BE-SG10
PK296BE-SG18
PK296BE-SG3.6
PK296BE-SG36
PK296BE-SG7.2
PK296BE-SG9
PK296-E4.5A
PK296-E4.5B
PK296-E4.5T
PK296-F4.5A
PK296-F4.5B
PK299-01A
PK299-01AA
PK299-01B
PK299-01BA
PK299-02A
PK299-02AA
PK299-02B
PK299-02BA
PK299-03A
PK299-03AA
PK299-03AAT
PK299-03B
PK299-03BA
PK299-E4.5A
PK299-E4.5B
PK299-E4.5T
PK299-F4.5A

PK299-F4.5B