Series 227
®
CTS 227 Rotary
Switches
Features
• Hill and valley detent
• Enclosed diecast detent plate
• Low cost
• 30˚ indexing
• 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
Double bump spring hill and valley detent with
30°indexing for 2 through 12 positions or
continuous rotation.
Voltage and Contact 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
.015 ohm when measured from adjacent terminals
Stop Strength
15 in-lb (17.3Kgf-cm).
Torque
As required within a range of 10 in-oz. (720gf-cm)
to 60 in-oz. (4.3Kg-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: Brass or Zinc diecast at CTS
Detent Spring: Stainless steel
Detent Plate: Zinc diecast
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, or staked strut (up to 3 wafers only)
Lubrication
Special lubrication is used sufficient for the life
of the index assembly under normal hand operation.
Technical Data Sheet 1448C
1-3
CTS Electronic Components
© 2006 CTS Corporation. All rights reserved. Information subject to change.
9/30/06
www.ctscorp.com
CTS [ CTS CORPORATION ]
