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NEMA 42 K & N Series Stepper Motor    M & P Series Stepper Motor


 N  4  3  H  C  H  J  –  L  E  K  –  M2  –  01  P  2  1  N  R  X  A  –  L  N  N  –  N  S  –  00


 K and N series  Special Sequence                                                       Sequence Number
 N = Standard construction  00 = Standard motor without shaft   Series                  Insert 00 if all parts are standard.
 K = Sigmax construction  seal  P = Standard                                            Other numbers will be assigned for special
 01 = Standard motor with shaft seal  M = Enhanced (n/a half stack)                     motors.
 Other numbers will be assigned for                                                                                     MODEL NOMENCLA
 Size  special motors                                                                   Encoder Option
             Size
 4 = NEMA 42 frame size;                                                                NS = No Feedback
    4.325” width/height, square frame  2 = NEMA 23                                      Use encoders below. You must specify
 Encoder Option  (2.25” across flat)                                                    shaft configuration D (double ended)
 NS = No feedback                                                                       Caution: An encoder with line driver   TURE
 Length  M2 = Encoder mounting provision                                                output may be required for use with
          (must use construction C or R and   Number of Stacks                          some stepper motor controls.
 1 = 1 stack           shaft configuration E)                                           M1 = Encoder mounting provisions
 2 = 2 stacks  H = Half stack
 PD = 500 LPR encoder                                                                   HD = Encoder 500 LPR
 3 = 3 stacks  PF  = 1000 LPR encoder  1 = 1 stack                                      HJ = Encoder 512 LPR
             2 = 2 stacks
 SS = Special, contact customer support                                                 SS = Special, contact customer support
 Mounting
 H = Heavy duty NEMA  Shaft Modifications  Mounting                                     Shaft Modifications
 S = Special, contact customer support  K = Straight key  N = NEMA                      N = Smooth
 S = Special, contact customer support  S = Special, contact customer support           F = Flat

 Construction/Connection Style                                                          S = Special, contact customer support
 R = Regular/leadwire   Shaft Configuration  Construction
 C = System MS connector  (Diameter & Length)  R = Regular                               Shaft Configuration
 L = splashproof/to terminal board via conduit    N = Single  S = Special, contact customer support
       connector: 1/2” NPSC pipe thread                                                 (Diameter & Length)
 D = Double (R or C construction only)
 M = Splashproof/to terminal board via                                                  N = Single
         conduit connect: metric PG13.5 pipe thread  E = Double ended for encoder  Termination  D = Double
       (R or C construction only)
 S = Special, contact customer support                                                  S = Special, contact customer support
 S = Special, contact customer support  X = Receptacle
             F = 8 flying leads
 Number of Connections  Rotor Type  S = Special, contact customer support               Rotor Type
 F = 8 lead (n/a C construction)  L = Laminated  For X (receptacle) designation,        L = Standard
             Mating leaded connectors may
 L = 4 lead series  be ordered seperately.                                              J = Low inertia (n/a half stack)
 H = 4 lead parallel  Optional GRN/YEL ground wire
             available.
 E = 6 lead (n/a C construction)  Winding Type
 J = Standard, 1 stack only
 K, N = Standard, N/A on 1 stack  Winding Type
 L = N/A on 1 stack  A, B, C, D
 F, M, G = Standard  S = Special, contact customer support
 S = Special, contact customer support

 Note: Options shown in blue text are considered standard.  Note: Options shown in blue text are considered standard.






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