Ⅰ: Code of product series: three-digit

      160: series 160 micro switch

Ⅱ: Type of handle: single-digit

      0: without handle

      1: 1# handle

      2: 2# handle

      3: 3# handle

Ⅲ: Color of button: single-digit

      1: blue        2: green

      3: black      4: red

      5: yellow    6: white

Ⅳ: Mark on cover: single-digit

      0: without mark

      1: with“TTC”mark

      2: with“” mark

      3: with both“TTC”and“”mark

Ⅴ: Code of FP: single-digit

      0: FP=5.6  1: FP=3.65  2: FP=3.5

Ⅵ: Operating force: double-digit

      51: 51±10gf     60: 60±15gf

      61: 61±10gf     70: 70±15gf

      71: 71±10gf     80: 80±15gf

Ⅶ: Life of product: single-digit

      0: above 300,000 times

      1: above 1M     2: above 2M

      3: above 3M     5: above 5M

Ⅷ: Derivative code: single-digit

      0: type P terminal     1: type M terminal

Ⅸ: Others: single-digit

      0: without special items    

Ⅸ: Package: single-digit

      0=plastic bag     1=shrinked plastic package

      2=tape package     3=tube package  

      4=foam package     5=undetermined