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Series 227 Data Sheet
®
Electrocomponents
Rotary Switch
Industrial
Rotary Switch
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 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
© 2015 CTS Corporation. All rights reserved. Information subject to change.
08/12/15
www.ctscorp.com
Physical Dimensions
0.38
.015
1.55
.061
0.4
"A"± .016
28.6
1.125
6.35
.250
*
L
33.3
1.312
6.35
.250
3.2
.125
0.8
"L"± .031
Ø 6 .3 5
.250
26.98
1.062
3/8”-32 UNEF 2A THD.
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.
Detent Only
DIMENSION:
8.07
.318
10.82
.426 *
Typical Assembled Switch
mm
inch
Available Terminal Styles
39.95
1.573
17.44
.687
21.0
17.44
5.74
.226
.687
(7)
X-Style
Ø1.98
HOLE @ 15°
.076
AS REQUIRED
1.062
.531
26.98
15°
13.49
33.32
Ø38.76
TO OUTSIDE
1.526
OF TERMINALS
Y-Style
1.312
26.2
1.03
22.1
.870
.827
36.6
1.44
Ø2.94±0.05 (2)THR. HOLE
.116±.002
26.98
1.062
R15.09
T-Style
.594
2-CLEARANCE HOLES FOR
7.09
.279
4.46
4.95
.279
1.28
.050
2.79
.110
2.54
.100 (13)
U-Style
DIMENSION:
17.44
. 68 7
.176
3.7
.146
7.88
.310
36.44
1.433
#4-40 PANHEAD SCREWS
P.C. BOARD
MOUNTING HOLE
38.0
1.496
P-Style
mm
inch
2-3
CTS Electrocomponents
© 2015 CTS Corporation. All rights reserved. Information subject to change.
08/12/15
www.ctscorp.com
Ordering Information
227
T
01
POLES
01 – 1 POLE
10 – 10 POLES
ETC.
02
N
CONTACT TYPE
N – NON SHORTING
(BREAK BEFORE MAKE)
S – SHORTING
(MAKE BEFORE BREAK)
* Maximum of 11 shorting
changes (make before
break) on one wafer,
maximum of 12 nonshorting 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
3-3
CTS Electrocomponents
2
20
R
SHAFT FMS
1/32" INCREMENTS
20 – .625" (15.9mm)
24 – .750" (19.1mm)
28 – .875" (22.2mm)
32 – 1.000" (25.4mm)
N
SPECIALS
N – LOCATING LUG
LEFT SIDE
D – NO LOCATING
LUG
E – LOCATING
LUG RIGHT
SIDE
POSITIONS
02 – 2 POSITIONS
12 – 12 POSITIONS,
ETC.
MOUNTING STYLE
BUSHING LENGTH:
1/8" INCREMENTS
EXAMPLES:
2 – .250" (6.35mm)
3 – .375" (9.5mm)
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
© 2015 CTS Corporation. All rights reserved. Information subject to change.
08/12/15
www.ctscorp.com