CAMERON 1540 Side Mounted Pneumatic Level Switch Technical Data Sheet
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Registered Quality System to ISO 9001 1/4
Form 1337CM
www.c-a-m.com/measurement
281-582-9500
1540 Side Mounted
Pneumatic Level Switch
Form 1337CM
1540 is a horizontally mounted, float-
operated level switch suitable for plant and OEM
applications where pneumatic valve operation is
required to signal presence or absence of liquid
at a discrete level. The float arm moves a magnet
which in turn moves a shuttle that either blocks
or allows pilot pressure to pass and operate
ancillary equipment. Actuation (deactuation) can
be reversed by rotating the unit 180 degrees or
switching inlet connections (see below).
The supply media must be filtered and oil free.
Air is the usual media; however, any dry, filtered
gas can be used.
Orientation Horizontal mount only
Body Material 316 Stainless Steel
Connection Size 2” NPT(M)
I/O Connection 1/4” NPT(F)
Pilot (supply) Pressure 0-30 psi (0-2 BAR)
or 0-80 psi (0-5.5 BAR)
Flow Rate @ Max Pilot Pressure 60 SCFH (1.7 CMH)
Maximum Process Pressure 1500 psi (103 BAR)
Process Temperature Range –40 to 400°F
(–40 to 204°C)
Minimum Specific Gravity 0.65
Weight 3.5 lbs. (2 kg)
Product Specifications
SCFH - Standard cubic feet per hour
CMH - Cubic meter per hour
ISO-9001
14685 W 105TH ST LENEXA, KS 66215 USA
913-888-2630
SORINC.COM
Model Name: 1540C-G2A-C-JO-PS-MC.ASSEM/1/1+
PRODUCT CERTIFICATION DRAWING
ALL DIMENSIONS ARE ±1/16 IN
UNLESS OTHERWISE SPECIFIED
MM
LINEAR = IN
DRAWN BY
J REHM
CHECKED BY
M SMITH
ENGINEER APPROVAL
S BOAL
DATE
4/17/12
THIS DRAWING IS THE EXCLUSIVE PROPERTY OF SOR.
NO USE WHATSOEVER OF THE INFORMATION CONTAINED
HEREON, NOR REPRODUCTION IN WHOLE OR PART MAY BE
MADE WITHOUT THE EXPRESS WRITTEN PERMISSION OF SOR.
TITLE
DIM DWG 1540 PNEUMATIC LEVEL SWITCH
W/ MC/MD OPTIONS
EO NUMBER: 5153
SCALE: 1.00
DO NOT SCALE PRINT
DRAWING NUMBER REV
0091448 2
SHEET 2 OF 2 DWG SIZE
B
MODEL # SALES ORDER # LINE ITEM # PURCHASE ORDER #
SALES PAGE
HIGH LEVEL
LOW LEVEL
* DO NOT PLUG THIS PORT. DURING ACTUATION AND RESET,
TRAPPED AIR IN THE SENSOR MUST ESCAPE FOR THE UNIT
TO OPERATE PROPERLY.
AIR
FLOW
AIR
FLOW
* CLOSED
AIR
FLOW
AIR
FLOW
* CLOSED
2
Reset Form
ISO-9001
14685 W 105TH ST LENEXA, KS 66215 USA
913-888-2630
SORINC.COM
Model Name: 1540C-G2A-C-JO-PS-MC.ASSEM/1/1+
PRODUCT CERTIFICATION DRAWING
ALL DIMENSIONS ARE ±1/16 IN
UNLESS OTHERWISE SPECIFIED
MM
LINEAR = IN
DRAWN BY
J REHM
CHECKED BY
M SMITH
ENGINEER APPROVAL
S BOAL
DATE
4/17/12
THIS DRAWING IS THE EXCLUSIVE PROPERTY OF SOR.
NO USE WHATSOEVER OF THE INFORMATION CONTAINED
HEREON, NOR REPRODUCTION IN WHOLE OR PART MAY BE
MADE WITHOUT THE EXPRESS WRITTEN PERMISSION OF SOR.
TITLE
DIM DWG 1540 PNEUMATIC LEVEL SWITCH
W/ MC/MD OPTIONS
EO NUMBER: 5153
SCALE: 1.00
DO NOT SCALE PRINT
DRAWING NUMBER REV
0091448 2
SHEET 2 OF 2 DWG SIZE
B
MODEL # SALES ORDER # LINE ITEM # PURCHASE ORDER #
SALES PAGE
HIGH LEVEL
LOW LEVEL
* DO NOT PLUG THIS PORT. DURING ACTUATION AND RESET,
TRAPPED AIR IN THE SENSOR MUST ESCAPE FOR THE UNIT
TO OPERATE PROPERLY.
AIR
FLOW
AIR
FLOW
* CLOSED
AIR
FLOW
AIR
FLOW
* CLOSED
2
Reset Form
HIGH
LEVEL LOW
LEVEL
Registered Quality System to ISO 9001
www.c-a-m.com/measurement 281-582-9500

Registered Quality System to ISO 9001
2/4
Form 1337CM www.c-a-m.com/measurement
281-582-9500
ISO-9001
14685 W 105TH ST LENEXA, KS 66215 USA
913-888-2630
SORINC.COM
72.8
2.87
19.8
0.78
36
1.4
ACTUATION
28
1.1
FLOAT
TRAVEL
71
2.8
ACTUATION
56
2.2
32.5
1.28
WRENCH
FLATS
18.4
0.72
44.5
1.75
50.8
2.00
60.3
2.38
48.8
1.92
31.0
1.22
72.2
2.84
14.3
0.56
12.7
0.50
145.3
5.72
Model Name: 1540C-G2A-C-JO-PS-MC.ASSEM/1/1+
PRODUCT CERTIFICATION DRAWING
ALL DIMENSIONS ARE ±1/16 IN
UNLESS OTHERWISE SPECIFIED
MM
LINEAR = IN
DRAWN BY
J REHM
CHECKED BY
M SMITH
ENGINEER APPROVAL
S BOAL
DATE
4/17/12
THIS DRAWING IS THE EXCLUSIVE PROPERTY OF SOR.
NO USE WHATSOEVER OF THE INFORMATION CONTAINED
HEREON, NOR REPRODUCTION IN WHOLE OR PART MAY BE
MADE WITHOUT THE EXPRESS WRITTEN PERMISSION OF SOR.
TITLE
DIM DWG 1540 PNEUMATIC LEVEL SWITCH
W/ MC/MD OPTIONS
EO NUMBER: 5153
SCALE: 0.88
DO NOT SCALE PRINT
DRAWING NUMBER REV
0091448 2
SHEET 1 OF 2 DWG SIZE
B
MODEL # SALES ORDER # LINE ITEM # PURCHASE ORDER #
SALES PAGE
MOUNT THIS SURFACE
VERTICAL ±5°
2X 1/4" NPTF
INLET CONNECTIONS
1/4" NPTF
OUTPUT CONNECTION
1/4"NPTF
INLET
1/4"NPTF
INLET
MOUNT THIS AXIS
HORIZONTAL ±5°
2" NPTM PROCESS
CONNECTION
MANUAL CHECK CABLE
20 FT LONG
MD OPTION ONLY
MANUAL CHECK
MC or MD OPTION
1
Reset Form
1540 Side Mounted
Pneumatic Level Switch
Dimensions
Linear = mm/inches
Drawing 0091448
Design and specifications
are subject to change
without notice.
The drawings & illustrations below show the manual check (MC or MD) option.
2
Optional Accessories
1540 - C - G - 2A - C - J0 - PS - MC9A
Model Number System
BB
MC*
MD*
NC
PP
RR
TT
VV
Insert accessory designator(s) as needed
Wetted parts are cleaned for industrial
oxygen service
Manual check accessory (uses Viton GLT o-rings)
Manual check accessory (uses Viton GLT o-rings)
with 20’ remote cable
NACE construction - MR 01-75 / ISO 15156 2003.
Available only with 316SS materials of construction
Tag, fiber. Attached with plastic wire to housing.
Stamped with customer specified tagging information.
Tag, stainless steel. (Attached with stainless steel wire
to housing. Stamped with customer specified tagging
information. 2 lines, 18 characters and spaces per line.)
Stainless steel nameplate permanently attached to housing.
Stamped with customer specified tagging information.
Fungicidal varnish. Covers exterior except working parts.
*Manufacturer limits on Viton GLT are -40 to 400°F.
1540 C G 2A
C
J0
PS
MC 9A Model Number
Pilot (Supply) Pressure: 0-30 psi (0-2 BAR)
Flow Rate @ 30 psi Supply: 60 SCFH (1.7 CMH)
Pilot (Supply) Pressure: 0-80 psi (0-5.5 BAR)
Flow Rate @ 80 psi Supply: 60 SCFH (1.7 CMH)
Switches
J0
J1
1
How to Order

Registered Quality System to ISO 9001 3/4
Form 1337CM
www.c-a-m.com/measurement
281-582-9500
Limited Warranty
Cameron agrees to repair or replace any switch found to be defective in material or workmanship
within five years from date of shipment. The limited warranty is valid only if the switch was installed
in accordance with published factory installation instructions, operated within the design limitations
stated on the nameplate, and returned to the factory for inspection, freight prepaid, within the
warranty period. Contact the factory for return authorization. No claim for labor or consequential
damages will be allowed.
Test Certificates
1540 Pneumatic Level Switch
Certificates C1 C3 C4 C7 B7
Calibration ¿ ¿
Inspection Report ¿ ¿
Compliance / Conformance ¿ ¿
QA Test Report ¿
Replacement Parts
Designator Description
3130040 20’ Remote Cable with two cable crimps**
3100152 Float
9227012 Float & Arm Assembly
9227024 Manual Check Accessory (uses Viton GLT O-ring) (MC)**
9227025 Manual Check Accessory with remote 20’ cable (MD)**
**Unit must have originally been supplied with MC or MD option.
How to Order
1540 Side Mounted
Pneumatic Level Switch

Registered Quality System to ISO 9001
4/4
Form 1337CM www.c-a-m.com/measurement
281-582-9500
Registered Quality System to ISO 9001:2000 Form 216 (11.08) ©2008 SOR Inc.Registered Quality System to ISO 9001 Form 1337CM (12.13) Cameron
HSE Policy Statement
At Cameron, we are committed ethically, financially and personally
to a working environment where no one gets hurt and nothing gets harmed.
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