CX Series
ASSEMBLY MODIFICATIONS
MODIFIED SHAFT ENABLES DIRECT COUPLING
CX switches are available with a 3⁄8 inch diameter by 3⁄4 inch
long flatted shaft which conforms to standard NEMA motor shaft
specifications. It accepts commercially available shaft couplers,
permitting easy, direct coupling to most equipment actuators.
To specify a ‘‘direct-couple’’ CX switch: Add-DO1 to catalog list-
ings shown in the order guides, i.e. 11CX12-DO1.
Mounting Holes
Add the letter
A
to listings with side mounting holes tapped
5/16-18(8). Example: 11CX2A
Add the letter
B
to listings with thru mounting holes tapped
3/8-24(4). Example: 11CX2B.
CX Series Replacement Basic Switch Assemblies
These assemblies are factory-adjusted to the same operating
characteristics as a new CX switch. They include components
subject to mechanical or electrical wear: basic switches, cams,
cam followers, and springs.
To order, change the first number in the complete switch catalog
listing to
9 for rotary switches.
For example:
Rotary switch 11CX2 Replacement =
91CX2
Note: Basic switch assemblies for rotary actuated switches, with
or without spring return, will be the same.
For example: 11CX2 and 11CX12 use
91CX2.
MOUNTING BRACKETS
15PA500-CX adapter bracket for mounting CX products to
NAMUR footprint is available upon request.
4.25
2.250
1.40
.750
Low Temperature Switches
Add the letter
C
to listings for low temperature versions
For example: 21CX14C = -40 °F [-40 °C] Rotary
A
1.125
.721
4X
.258
.003
3.150
2.250
4.00
1.125
1.50
4X
.625
4X
.406
4X R .25
A
3.150
4X 45
4X .400
SECTION
X
.020
A-A
8
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