212_07 Datasheet, PDF (1/3 Pages) CTS Corporation – CTS 212 Rotary Switches

Series 212
®
CTS 212 Rotary
Switches
Features
• Hill and valley detent
• Balanced double bump detent spring
• Excellent feel
• 30˚ or 60˚ 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
• RoHS compliant
Electrical and Mechanical Specifications
Indexing
Bushing Lengths
Double bump spring hill and valley detent with standand
30° indexing for 2 through 12 positions or with special
60° indexing from 2 to 6 positions.
Standard: 3/8"-32 UNEF-2A Thread,1/4" (6.35mm)
or 3/8" (9.53mm) long.
Special Lengths: Available as required
Special 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 type only)
Contact Resistance
15 milliohms max. when measured from adjacent terminals
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)
Stop Strength
15 in-lb (17.3Kgf-cm).
Frames
Machine screw, bolt & nut, or rivet construction
Torque
Up to 48 in-oz. (3.5Kgf-cm).
Detent Rotational Life
Lubrication
Special lubrication is used sufficient for the life
of the index assembly under normal hand operation.
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
Detent Spring: Spring brass or nickel silver depending
on torque requirements
Front Plate: Zinc plated or nickel plated plated steel at CTS option
Rotor Contacts, Stator Contacts and Terminals: Silver plated
brass standard
Stator Insulator: Glass reinforced thermoset material
1-3
CTS Electronic Components
© 2007 CTS Corporation. All rights reserved. Information subject to change.
01/19/07
www.ctscorp.com