Series 212
廬
CTS 212 Rotary
Switch
鈥?Hill and valley detent
鈥?Balanced double bump detent spring
鈥?Excellent feel
鈥?30藲, 60藲 or 90藲 indexing
鈥?Spring return styles available
鈥?Adjustable stop available
鈥?Solder lug and printed circuit terminals available
鈥?Molded stator prevents solder from flowing into
the circuit
鈥?Custom switching patterns available
鈥?Index or wafers are available separately
Electrical and Mechanical Specifications
Indexing
Double bump spring hill and valley detent with
30擄 indexing for 2 through 12 positions or
60擄 indexing from 2 to 6 positions.
90擄 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 鈥?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 鈥?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
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