CTS COMPONENTS TAIWAN, LTD.
ENGINEERING SPECIFICATION
SPEC NO.
EN-SPE-212001A
SPECIFICATION :
212 SERIES SELECTOR SWITCH
DATE
03-19-02’
PAGE OF
1 OF 2
1.0 GENERAL
：
1.0 THIS SPECIFICATION APPLIES TO THE SELECTOR SWITCH 212 SERIES
（ROTARY TYPE）STANDARD AND CUSTOMER CONFIGURATION
1.1 OPERATING TEMPERATURE RANGE： -20 ºC TO +110 ºC
1.2 STORAGE TEMPERATURE RANGE： -20 ºC TO +110 ºC
2.0 MECHANICAL CHARACTERISTICS
：
2.1 INDEXING：DOUBLE BUMP SPRING HILL AND VALLEY DETENT WITH 30º
INDEXING FOR 2 THROUGH 12 POSITIONS OR CONTINUOUS ROTATION
2.2 DETENT ROTATIONAL LIFE：25,000 CYCLES THRU 12 POSITIONS AND RETURN
AT 10 CYCLES PER MINUTE
TORQUE：AS REQUIRED UP TO 48 inch. oz ( 3.4 kg-cm )
2.3 STOP STRENGTH：
STANDARD：15 inch-lbs（17 kg-cm）
2.4 MATERIAL：
SHAFT：
■ ALUM □ BRASS □ BRASS WITH NI-PLATED
□ BRASS WITH ZINC PLATED □
BUSHING：
□ BRASS WITH NI-PLATED □ BRASS WITH ZINC PLATED
■ BRASS
DETENT SPRING： STAINLESS STEELS ,OR SPRING BRASS DEPENDING ON TORQUE REQUIREMENT.
DETENT PLATE： STEEL
CONTACT： SILVER PLATED PHOSOPHER BRONZE
TERMINAL： SILVER PLATED BRASS STANDARD
STATOR： GLASS REINFORCED PPA UL FLAME CLASS 94V-0
ROTOR AND ROTOR COVER： NYLON 66 UL FLAME CLASS 94V-2
A ITEM 4.0 ADDED 08-02-05 SM
0 RELEASED 03-19-02 ML
SYM REVISION DATE BY SYM REVISION DATE BY
WRITTEN BY : S.M.TSAI
REVIEWED BY : H.Y.LIN
APPROVED BY : T.J.LEE
CUSTOMER : GENERAL
DISTRIBUTION :
*CTS(T)F-013
