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N/K Series
            The N/K Series are larger step motors with the power, rugged construction, and options
            that make these motors ideal for heavy industrial applications. Options include: IP56,
            terminal boxes and MS connectors. Enhanced versions provide the maximum performance
            torque available. This patented technology boosts torque an additional 25% to 40%.
            Custom motors are available to meet specific application needs including: modified
            shafts, connectors, lead-screws, and components mounted to the shaft.


            N/K Series Benefits                                                                                         STEPPER PRODUCTS
            •  More torque to drive heavy loads
            •  Smaller drives result in a lower system cost
            •  Higher efficiency enables lower operating costs



                    Size 34 N/K      2 Phase, 1.8° Step Motors.  Frame size: 3.4 inch, 87 mm

                                      Series      Construction     Holding Torque  Length
                                                                  (Motor Mounted)
                                                                     Bipolar
                                                 Style    Stacks                  in    mm
                                                                  oz-in   Nm
                                                                                            • Captured heavy duty bearings
                                       K31                 1       830     5.9    3.7   94
                                                                                            • High voltage insulation system
                                       K32                 2      1530    10.8    5.22  133  • Options: Terminal box
                                                Enhanced                                          MS connectors
                                       K33                 3      2200    15.6    6.74  171       Rear shaft
                                       K34                 4      2770    19.6    8.25  210       Encoder
                                                                                                  Front shaft seal
                                       N31                 1       650     4.6    3.7   94
                                       N32                 2      1220     8.6    5.22  133
                                               Un-Enhanced
                                       N33                 3      1760    12.4    6.74  171
                                       N34                 4      2170    15.3    8.25  210

                    Size 42 N/K      2 Phase, 1.8° Step Motors.  Frame size: 3.4 inch, 87 mm
                                      Series      Construction     Holding Torque  Length
                                                                  (Motor Mounted)
                                                                     Bipolar
                                                 Style    Stacks                  in    mm  • Captured heavy duty bearings
                                                                  oz-in   Nm                • High voltage insulation system
                                       K41                 1      2090    14.8    3.89  99  • Options: Terminal box
                                                                                                  MS connectors
                                       K42      Enhanced   2      4000    28.2    5.91  150       Rear shaft
                                       K43                 3      5650    39.9    7.92  201       Encoder
                                                                                                  Front shaft seal
                                       N41                 1      1630    11.5    3.89  99
                                       N42     Un-Enhanced  2     3140    22.2    5.91  150
                                       N43                 3      4340    30.6    7.92  201
            Note: For complete N/K series model nomenclature, refer to page 201.
            Note: For complete Size 34 and 42 N/K model nomenclature, refer to pages 100 and 101 respectively.












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            www.kollmorgen.com                                                                                        119
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