• 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
Technical Data Sheet 1448C
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)
Features
• RoHS compliant
1 - 3 © 2009 CTS Corporation. All rights reserved. Information subject to change.
09/13/09
CTS Electrocomponents www.ctscorp.com
®
Electrocomponents
Data Sheet
Industrial
Rotary Switch
Series 227
Rotary Switch
Physical Dimensions
DIMENSION: mm
inch
DIMENSION: mm
inch
Available Terminal Styles
Typical Assembled Switch
Detent Only
59.93
0.
1
2
44.
7
1
786.
728.
375.1
5.74
.226 (7)
8
9
.
62
2
3
.
33
2
13.1
2
60.1
Ø38.76 TO OUTSIDE
OF TERMINALS
1.526
.116±.002
X-Style
T-Style
4
4
.
71
4
4
.
63
7.3
3
34.1
78
6
.
641.
38.0
1.496
2.54
.100 (13)
P-Style
Y-Style
2.
6
2
44.71
1.22
36.6
1.44
3
0
.
1
07
8
.
7
86.
4.46
#4-40 PANHEAD SCREWS
2-CLEARANCE HOLES FOR
13.49
26.98
15°
R15.09
Ø1.98
AS REQUIRED
HOLE @ 15°
P.C. BOARD
MOUNTING HOLE
.531
1.062
.076
.594
U-Style
.176
4.95
7.09
7.88
.310
.279
.279
2.79
1.28
.110
.050
28.6
1.125
89.62
3.33
260.1
213.1
.531
13.5
2.3
52
1
.
53.6Ø
0
5
2
.
"L"± 0.8
.031
"A"±
1.55
0.38
.061
.015
0.4
.016
L
10.82
.426 *
6.35
.250
A
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.
NOTE :
6.35
.250
*
8.07
.318
2 - 3 © 2009 CTS Corporation. All rights reserved. Information subject to change. 09/13/09
CTS Electrocomponents www.ctscorp.com
3/8”-32 UNEF 2A THD.
Ø2.94±0.05 (2)THR. HOLE
CONTACT TYPE
N– NON SHORTING
(BREAK BEFORE MAKE)
S– SHORTING
SHAFT FMS
1/32" INCREMENTS
20 – .625" (15.9mm)
24 – .750" (19.1mm)
28 – .875" (22.2mm)
32 – 1.000" (25.4mm)
POLES
01 – 1 POLE
10 – 10 POLES
ETC.
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
SPECIALS
N– NONE
E– LOCATING
LUG RIGHT
SIDE
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)
Ordering Information
T01 02 N 220 R N
227
Y– PC WITH .870" (22.1mm)
HEIGHT STAND OFF
D– NO LOCATING
LUG
3 - 3 © 2009 CTS Corporation. All rights reserved. Information subject to change.
09/13/09
CTS Electrocomponents www.ctscorp.com
(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.