FKN Systek
115 Pleasant Street
Millis MA 02054
Tel. 508 376 2500
   Step Motors  
Step Motors  and Controllers from Stogra
Rugged Step Motors for harsh environments
Nema sizes 23, 34, and 42 
CE certified

  Features 
Nema sizes 23, 34, and 42 
Step accuracy ±3% based on a 1.8° step angle 
Ambient temperature range -30°C - 80°C (Special versions with extended temperature available) 
Insulation class "F" 
Dielectric motor strength 1,800 Volts / 1 min. 
High bearing thrust and overhang loads 
Motor protection standard IP55 with cast connection 
Box. (IP 68 optional) IP 41 on leads version 
Up to 25 possible configurations on one frame size 
Modular construction (detailed below) 
CE certified

 Order Information
SM (1).(2).18 (3)(4)(5) (6)'s 
 
(1)Series: 56 87 107 168 
 
(2)Stack: 1 2 3 a 4 a b 
 
(3)Type: M=metric a J=inch SRF=servomount b 
 
(4)Connection: L=leads a Otherwise standard with cast connection box 
 
(5)Current in A/Ph: 1 to 12 depending motor type 
 
(6)Options: 
 
W=double ended shaft (not with encoder) 
 
D=magnet damped version 
 
Z9=motor protection till IP68 
 
V=vacuum version 
 
N=key according DIN 6885-T1 
 
F=woodruff 
 
Px=planetary gear head (x=gear ratio e.g.:P10) 
 
B=brake 
 
E50=encoder 2x50 pulse/rev. 
 
H200=encoder 2x200 pulse/rev. + zero pulse 
 
H500=encoder 2x500 pulse/rev. + zero pulse 
 
Zx=after customer specification (x will be assigned by us) 
 
Note: 
 
All cast connection box types have standard motor protection IP 55 (except with option "W"). Motors with leads have standard motor protection IP 41. 
 
a not for series SM 56 
 
b not for series SM 168 
 
Do not design motor series SM 86 and SM 108 for new applications. 
 
Order examples: 
 
SM56.2.18 JL3 P10 E50 
 
SM 87.3.18 M6 BH500 
 
SM 107.2.18 SRF12 P5 BE50 
 
SM 168.2.18 M12 W 
 

 Call or e mail to get a quote
Tel. 508 376 2500

FKN SYSTEK, INC. - 115 Pleasant St., Millis, MA. 02054 ,
TEL: (508) 376-2500 FAX: (508) 376-2505 : E-MAIL: fkn@fknsystek.com
 
Copyright© 1997, 98 FKN Systek, Inc.08/17/03 Last Update 04//25/2019
 Tel. 508 376 2500