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Sensing and Control
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Sensing and Control
Honeywell Inc.
11 West Spring Street
Freeport, IL 61032
www.honeywell.com/sensing
Limit and Enclosed Switches
Weather-Sealed Explosion-Proof Switches
FEATURES
Sealing - applicable portions of NEMA 1,
3, 4, 4X, 6, 6P, 7, 9, and 13
Watertight and dusttight for outdoor use
4-20 mA analog output available
UL Listed, file #E14274
Analog UL file #E68247
CSA Certified, file #LR57324
Rugged cast aluminum housing
Pretravel, overtravel, and actuating
sequence can be field adjusted without
tools (all basics individually)
Rotary types convert in seconds to
clockwise, counterclockwise, or both-
way operation
CX switches are built especially for outdoor
use in hazardous atmospheres. These en-
closures are constructed to withstand the
pressure of an internal explosion. Flame
paths cool the exploded gases to a point
less than the lowest safe operating temper-
ature of the surrounding gas.
O-ring seals make the enclosure weather-
proof but are outside of required flame paths
so explosion proof requirements are main-
tained.
Analog output: either resistive or 4-20 mA is
available.
Operating temperature range is – 25° to
+85°C
(–13° to 185°F).
ORDER GUIDE
As factory assembled, all basic switches
operate on clockwise and counterclockwise
rotation. Actuating mechanism can be field
adjusted for CW or CCW operation only. No
tools are required.
Catalog Listings
Shaft Restoring
Force To Center
Short housing
Description
1
15 amp. SPDT.
With
11CX1
11CX2
21CX4
20 amp. SPDT.
12CX1
12CX2
22CX4
Also UL listed for Class I.
Group B (hydrogen atmospheres).
10 amp. DPDT.
Standard housing
14CX1
24CX2
16CX2
26CX4
16CX1
—
—
1172CX2
14CX11
24CX12
24CX13
16CX12
26CX14
16CX11
18CX10
281CX12
284CX12
1172CX12
W/O
2
11CX12
21CX13
21CX14
12CX12
Housing
Size
Short
Short
Standard
Standard
Short
Short
Standard
Short
Standard
Standard
Short
Standard
Short
Short
Standard
Standard
Short
CX Series
NEMA standards: 1, 3, 4, 4X, 6, 6P, 7, 9 and
13.
UL listed: Class I, Div. 1, Groups B (14CX,
16CX, 24CX, 26CX, 36CX, and 84CX only), C
and D; and Class II, Div. 1, Groups E, F and
G. CSA certified: Class I, Div. 1, Groups B
(14CX, 16CX, 24CX, 26CX, 36CX and 84CX
only), C and D; and Class II, Groups E, F and
G.
For rapid response – off the shelf service,
all
bold face
listings are normally stocked
items.
Limit/Enclosed
ROTARY ACTUATED SWITCHES
Basic
Switch(es)
2
BZ(1)
BZ(2)
BZ(3)
BZ(4)
BA(1)
BA(2)
BA(4)
DT(1)
DT(2)
DT(3)
HS(2)
HS(4)
HS(1)
None
BZ(2)
DT(2)
BZ(2)
Electrical
Ratings
A
A
A
A
B
B
B
C
C
C
D
D
D
—
A
C
F
Actuators are not included with switch. Or-
der them separately.
ROTARY LEVERS
Lever Type
1.5 in. lever, no roller
.75 in. roller, front
.75 in. roller, back
1.5-3.5 in. adjustable lever
.75 in. roller
1.0 in. roller
1.5 in. roller
1.5 in. yoke roller
.75 in. rollers, back
.75 in. rollers, each side
5 in. rod lever
Hub only
1.5 in. offset lever, no roller
.75 in. roller, back
.75 in. roller, front
Catalog
Listing
LSZ51
LSZ51A
LSZ51C
LSZ52C
LSZ52J
LSZ52K
LSZ53S
LSZ53E
LSZ54M
LSZ54
LSZ55
LSZ55A
LSZ55C
Also UL listed for
Class I, Group B
(hydrogen atmospheres).
1 amp, SPDT.
Analog position sensing.*
Current output (4-20 mA).
1 amp, SPDT with
gold contacts.
* Where noted, BZ basic switches are 15 amp, SPDT; DT basic switchs are 10 amp DPDT. Refer to next page for
analog position sensing specifications.
MOUNTING HOLES
Add the letter A to listings with side mount-
ing holes tapped 5/16-18(8).
Example: 11CX2A
Add the letter B to listings with thru mount-
ing holes tapped 3/8-24(4).
Example: 11CX2B.
1
Basic switches operate nearly simultane-
ously in multiple switch devices.
2
Shafts of devices without shaft restoring
force can be rotated through 360°.
Basic switches will be in operated mode
through two 105° sections.
Eight side mounting holes can be tapped
5/16 -18.
Rollers are nylon. Non-sparking rollers must
be used in hazardous locations.
Honeywell Sensing and Control 1-800-537-6945 USA
1-815-235-6847 International 1-800-737-3360 Canada
A127
Limit and Enclosed Switches
Weather-Sealed Explosion-Proof Switches
ELECTRICAL RATINGS
Circuitry
A
BZ
Single-Pole
Double-throw
B
BA
Single-Pole
Double-throw
C
DT
Double-pole
Double-throw
D
HS
Single-Pole
Double-throw
F
BZ (Gold Contact)
Single-Pole
Double-throw
Electrical Ratings
UL/CSA Rating: L96
15 amps, 120, 240 or 480 VAC, ind. and res.
1
⁄
8
Hp, 120 VAC;
1
⁄
4
Hp, 240 VAC.
.5 amp, 125 VDC, .25 amp, 250 VDC., res.
UL/CSA Rating: L23
20 amps, 120, 240 or 480 VAC, ind. and res.
1 Hp, 120 VAC; 2 Hp, 240 VAC.
.5 amp, 125 VDC, .25 amp, 250 VDC res.
UL/CSA Rating: L59
10 amps, 120 or 240 VAC, ind. and res.
.3 amp, 125 VDC, .15 amp, 250 VDC, res.
UL/CSA Rating: L22
1 amp, 120 VAC, ind. and res.
CX Series
REPLACEMENT BASIC SWITCH
ASSEMBLIES
These assemblies are factory adjusted to
the same operating characteristics as a new
CX switch. They include components sub-
ject to mechanical or electrical wear: basic
switches, cam wheels and followers, and
springs.
To order, change the first number in the
complete switch catalog listing to 9 for ro-
tary switches and 10 for plunger switches
with short housings.
Example:
Rotary switch
12CX5
Replacement
92CX5
Plunger switch
36CX2
Replacement
106CX2
Note: Basic switch assemblies for rotary ac-
tuated switches, with or without shaft restor-
ing force, will be the same.
For example:
11CX1 and 11CX11 use 91CX1.
UL/CSA Rating: L22
1 amp, 125 VAC
ANALOG POSITION SENSING SPECIFICATIONS
Current Output (4-20 mA)
Voltage compliance range: 12.5 to 40 VDC
Maximum load resistance:
RL, Max,–V Supply - 12.5
20 mA
Current signal output: 4-20 mA
Span: Adjustable from 15° to 90° of angular
rotation.
Null: 4 mA position may be set at any angular
position.
Replacement PC Board
For current output devices 15PA261-CX
OPERATING CHARACTERISTICS (All CX Switches)
Rotary Actuation
Basic Switch Type
Pretravel (max.)*
Differential Travel (max.)
Overtravel (min.)*
Operating Torque (max.)
Operating Force (max.)
BZ
15°
10°
90°
BA
15°
10°
90°
—
DT
30°
25°
75°
HS
30°
20°
75°
Plunger Actuation
BZ
BA
HS
.10 in./2,5 mm
.04 in./1.0 mm
.19 in./4,75 mm
—
8.82 lb./39,2 N
LOW TEMPERATURE SWITCHES
Add the letter C to listings for low temperature versions.
Example: 21CX14C – 40°F (– 40°C) Rotary
36CX2C –35°F (–37°C) Plunger
11.1 in. lb./1,25 Nm
* May be modified in field to suit application requirements.
N Newtons
Nm Newton meters
A128
Honeywell
Sensing and Control 1-800-537-6945 USA
1-815-235-6847 International 1-800-737-3360 Canada
Limit and Enclosed Switches
Weather-Sealed Explosion-Proof Switches
80CX SWITCHES ALSO WITHSTAND
CORROSIVE ENVIRONMENTS
80CX switches have rugged bronze hous-
ings which are resistant to salt water and
other corrosive environments. They comply
with the NEMA 4X requirement for protec-
tion against corrosion, in addition to NEMA
enclosure standards met by other CX
switches. O-ring seals make the enclosure
weather-proof, but are outside of required
flame paths so explosion-proof require-
ments are maintained.
CX Series
STAINLESS STEEL LEVER ACTUATORS
These levers match the corrosion resistance of the 80CX housing. Non-sparking rollers
must be used in hazardous locations.
ORDER GUIDE STAINLESS STEEL LEVERS WITH NYLON ROLLERS
Std. Roller Lever
Radius (In.)
1.5
Std. Lever w/o roller
Adjustable Radius
1.5
1.5-3.5
Dia. In.
.75
.75
.75
Width In.
.25
.25
.25
Catalog Listing
LS2Z51A
LS2Z51
LS2Z52A
Limit/Enclosed
Note: Refer to page A36 for lever dimensions.
ROTARY ACTUATED SWITCHES
ORDER GUIDE
As factory assembled, all basic switches
operate on clockwise or counterclockwise
rotation. Actuating mechanism can be field
adjusted for CW or CCW operation only. No
tools are required.
Catalog Listings
Shaft Restoring
Force To Center
Description
1
15 amp. SPDT
With
81CX1
81CX2
81CX4
82CX2
82CX4
84CX2
Without
2
81CX11
81CX12
81CX14
82CX12
82CX14
84CX12
Housing
Size
Standard
Standard
Standard
Standard
Standard
Standard
Basic
Switch(es)
BZ(1)
BZ(2)
BZ(4)
BA(2)
BA(4)
DT(2)
Electrical
Ratings
Page A109
A
A
A
B
B
C
80CX switches available with standard
housing only.
Actuators are not included with switches.
Order them separately.
MOUNTING HOLES
Add the letter A to listings with side
mounting holes tapped 5/16-18(8).
Example: 82CX2A
Add the letter B to listings with thru
mounting holes tapped 3/8-24(4).
Example: 81CX2B.
20 amp. SPDT
Also UL listed for Class I,
Group B (hydrogen
atmospheres). 10 amp. DPDT
Notes: Refer to page A127.
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 actua-
tors.
To specify a ‘‘direct-couple’’ CX switch, add
-DO1
to catalog listings shown in the order
guides, i.e. 11CX12-DO1. Pricing is the same
as for unmodified versions.
MOUNTING BRACKET
An aluminum mounting bracket is available
for adapting CX switches to existing 2-hole
mounting arrangements.
CX.
To order, specify Catalog Listing
15PA148-
15PA148-CX
Flatted
Shaft
Version
Honeywell
Sensing and Control 1-800-537-6945 USA
1-815-235-6847 International 1-800-737-3360 Canada
A129
Limit and Enclosed Switches
Weather-Sealed Explosion-Proof Switches
MOUNTING DIMENSIONS
(For reference only)
ROTARY
Short housing
CX Series
Standard housing
PLUNGER
Short housing
Standard housing
THESE HOLES NOT FURNISHED ON 80CX SERIES
LSZ52
LSZ55
LEVER ACTUATORS
LSZ51
Front
mounting
LSZ53
Back
mounting
Front
mounting
Back
mounting
LSZ54
Both rollers
Front mounting
See order guides for roller dimensions.
A130
Honeywell
Sensing and Control 1-800-537-6945 USA
1-815-235-6847 International 1-800-737-3360 Canada
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