212 Datasheet, PDF (1/2 Pages) CTS Corporation – CTS 212 Rotary Switch

Series 212
®
CTS 212 Rotary
Switch
• Hill and valley detent
• Balanced double bump detent spring
• Excellent feel
• 30˚, 60˚ or 90˚ indexing
• Spring return styles available
• Adjustable stop available
• Solder lug and printed circuit terminals available
• Molded stator prevents solder from flowing into
the circuit
• Custom switching patterns available
• Index or wafers are available separately
Electrical and Mechanical Specifications
Indexing
Double bump spring hill and valley detent with
30° indexing for 2 through 12 positions or
60° indexing from 2 to 6 positions.
90° indexing -consult CTS
Voltage and Current Rating
UL Rating: ³/4 amp at 125 VAC (shorting type only)
Special Rating: ¹/4 amp at 28 VDC (shorting or
non shorting)
1 amp at 28 VDC Shorting
Contact Resistance
0.008 to 0.010 ohm when measured from adjacent
terminals
Stop Strength
15" lbs (17.3Kg-cm).
Torque
Up to 48" oz. (3.5Kg-cm).
Detent Rotational Life
Standard: 25,000 cycles through 12 positions and
return at 10 cycles per minute.
Materials
Shaft: Aluminum or unplated brass at CTS option
Bushing: Standard — Brass
Materials (continued)
Detent Spring: Spring brass or nickel silver depending
on torque requirements
Front Plate: Zinc plated or nickel steel at CTS option
Rotor Contacts, Stator Contacts and Terminals: Silver
plated brass standard
Stator Insulator: Glass reinforced thermoset material
Bushing Lengths
Standard: ³/8"-32 UNEF-2A Thread, ¹/4" (6.35mm)
or ³/8" (9.53mm) long.
Special Lengths: Available as required — Brass
Locating Lugs
Standard: Left side .531" (13.5mm) radius
Special: Right side .531" (13.5mm) radius or no lug
Shaft Trim
Standard: Plain round
Special: Flat, slot, knurl, or mixed (flat with slot)
Frames
Machine screw, bolt & nut, or rivet construction
Lubrication
Special lubrication is used sufficient for the life
of the index assembly under normal hand operation.
Technical Data Sheet 1448C
Technical Data Sheet 4212
CTS CORPORATION / MANUFACTURER OF RELIABLE ELECTRONIC COMPONENTS