Ⅰ: Product series: three-digit

     152: series 152 slide switch

Ⅱ: Rating: double-digit

      (in accordance with IEC61058)

Ⅲ: Used temperature range: single-digit

      0: T55     1: 25T85     

Ⅳ: Loop specification: single-digit

     1: 1P1T   2: 1P2T 

   3: 1P3T   4: 1P4T 

   5: 2P1T   6: 2P2T 

   7: 2P3T   8: 2P4T    

Ⅴ: Type of terminal: double-digit

      01: 01＃ terminal     02: 02＃ terminal

      03: 03＃ terminal     04: 04＃ terminal

      05: 05＃ terminal     06: 06＃ terminal

      07: 07＃ terminal     08: 08＃ terminal

      09: 09#  terminal     10: 10＃ terminal

      11: 11#  terminal     12: 12＃ terminal

 Ⅵ:Type of handle: double-digit

      01: 1# actuator      02: 2# actuator     

      03: 3# actuator      04: 4# actuator   

      05: 5# actuator      06: 6# actuator

      07: 7# actuator      08: 8# actuator

      09: 9#actuator       10: 10# actuator

      11: 11#actuator

Ⅶ: Type of fixed hole: single-digit

      0: plastic housing, without fixed hole

      1: metal housing, with M3 screw hole

      2: metal housing, with 3.5 mm smooth hole

      3: metal housing, without fixed hole

Ⅷ: Operating force: single-digit

      1: 300±100gf        2: 400±150gf    

      3: 500±200gf        4: 600±300gf

Ⅸ: Derivative code: double-digit

      Including the below, but not limited

     1: same terminal type or other

         unconventional structures

     2: different operation position

     3: color of button or housing

     4: different electroplating

     5: different contact

     6: customerized requirements

Ⅹ: Type of package: single-digit

     0=plastic bag

     1=shrinked plastic package

     2=tape package       3=tube package

     4=foam package      5=undetermined