Series 227
Data Sheet
Electrocomponents
®
Rotary Switch
Industrial
Features
• Hill and valley detent
• Enclosed diecast detent plate
• Low cost
• 30˚ indexing
Rotary Switch
• 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 max. when measured from adjacent terminals
Stop Strength
15 in-lb (17.3 Kgf-cm)
Torque
As required within a range of 10 in-oz. (720 gf-cm)
to 60 in-oz. (4.3 Kgf-cm)
Detent Rotational Life
25,000 cycles
Materials
Shaft: Aluminum or brass at CTS option
Bushing: Brass or Zinc diecast at CTS option
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
Locating Lugs
Standard: Left side .531" (13.5mm) radius
Special: Right side .531" (13.5mm) radius or no lug
Shaft Trim
Standard: Plain round, Flat, Slot, Knurl, or mixed (Flat with Slot)
Special: Available as required
Frames
Machine screw, or staked strut (up to 3 wafers only)
Technical Data Sheet 1448C
1-3
CTS Electrocomponents
© 2009 CTS Corporation. All rights reserved. Information subject to change.
09/13/09
www.ctscorp.com
Physical Dimensions
0.38
.015
6.35
.250
*
1.55
.061
0.4
"A"±
.016
3/8”-32 UNEF 2A THD.
28.6
1.125
L
26.98
1.062
1.312
33.3
6.35
.250
Ø6.35
.250
"L"±
.031
0.8
3.2
.125
A
13.5
.531
NOTE :
10.82/.426 DIMENSION BASED UPON USE OF ONE 6.35/.250
NO SPACERS OR SPACERS OF NUMEROUS LENGTHS
ARE AVAILABLE TO PROVIDE PIN SPACINGS AS REQ'D.
8.07
.318
10.82
.426 *
Detent Only
DIMENSION:
mm
inch
Typical Assembled Switch
Available Terminal Styles
36.6
1.44
39.95
.687
5.74
.226
(7)
1.573
26.98
1.062
36.44
1.433
38.0
1.496
3.7
.146
17.44
.687
2.54
.100 (13)
21.0
17.44
26.2
1.03
22.1
.870
.687
.827
17.44
X-Style
Y-Style
Ø38.76
TO OUTSIDE
1.526
OF TERMINALS
33.32
13.49
.531
Ø1.98
.076
HOLE @ 15°
AS REQUIRED
1.312
15°
26.98
1.062
R15.09
.594
2-CLEARANCE HOLES FOR
T-Style
Ø2.94±0.05 (2)THR. HOLE
.116±.002
P.C. BOARD
MOUNTING HOLE
7.09
.279
#4-40 PANHEAD SCREWS
7.88
.310
4.46
.176
4.95
.279
1.28
.050
2.79
.110
U-Style
DIMENSION:
mm
inch
P-Style
2-3
CTS Electrocomponents
© 2009 CTS Corporation. All rights reserved. Information subject to change.
www.ctscorp.com
09/13/09
Ordering Information
227
T
01
POLES
01
– 1 POLE
10
– 10 POLES
ETC.
02
N
CONTACT TYPE
N
– NON SHORTING
S
– SHORTING
(BREAK BEFORE MAKE)
2
20
SHAFT FMS
1/32" INCREMENTS
20 – .625" (15.9mm)
24 – .750" (19.1mm)
28 – .875" (22.2mm)
32 – 1.000" (25.4mm)
R
N
SPECIALS
N
– NONE
D
– NO LOCATING
LUG
E
– LOCATING
LUG RIGHT
SIDE
(MAKE BEFORE BREAK)
* Maximum of 11 shorting
changes (make before
break) on one wafer,
maximum of 12 non-
shorting changes (break
before make) on one
wafer.
TERMINAL STYLE
T
– SOLDER LUG
X
– PC WITH .688"(7.48mm)
HEIGHT STAND OFF
U
– PC FORMED
TO REAR
P
– X STYLE WITH
.100" (2.54mm)
SPACING
Y
– PC WITH .870" (22.1mm)
HEIGHT STAND OFF
SHAFT TRIM
R
–ROUND
F
–FLATTED .375" X .156"
(9.55mm X 4.0mm)
K
–KNURLED EIA S148(24 TEETH)
S
–SD SLOT .047" WIDE X .063" DEEP
(1.2mm X 1.6mm)
M
– FLATTED .375” X .218”
(9.53mm X 5.54mm) WITH SLOT
POSITIONS
02
– 2 POSITIONS
12
– 12 POSITIONS,
ETC.
MOUNTING STYLE
BUSHING LENGTH:
1/8" INCREMENTS
EXAMPLES:
2
– .250" (6.35mm)
3
– .375" (9.5mm)
3-3
CTS Electrocomponents
© 2009 CTS Corporation. All rights reserved. Information subject to change.
09/13/09
www.ctscorp.com
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