nt view

Right side view
Sensitivity adjuster *

48

Left side view

Left side view

37.5

Operation indicator (orange)

7 dia.
M18 × 26.4 P=1

Receiver

Stability indicator (green)
2

Mounting Holes
18.5+0.5
0 dia.

1

7
Emitter

Optical axis

Rear view

Optical axis

Receiver

7

4

Terminal No.
Specification
1
+V
2
L/on · D/on selectable
3
0V
4
Output

Front view

Optical axis
Emitter

5.2


3

* Suitable models
E3FB-T@21-D
E3FB-R@22
E3FB-D@2@
E3FB-V@21
E3FB-B@22

Suitable models
E3FB-R@21
E3FB-D@2@
E3FB-L@2@
E3FB-V@21
E3FB-B@22

Rear view

M12 × 4 P=1

23
29.9

Optical axis

Suitable models
E3FB-T@21
E3FB-R@22
E3FB-B@21


E3RB series
Pre-wired Models
E3RB-T@11
E3RB-R@11
E3RB-D@1@

Operation indicator (orange)

7 dia.
M18 × 26.4 P=1

Receiver

Suitable models
E3FB-T@11
E3FB-R@12
E3FB-B@11

E3FB series
M12 Connector Models
E3FB-T@21
E3FB-R@2@
E3FB-D@2@
E3FB-L@2@
E3FB-V@21
E3FB-B@2@

Sensitivity adjuster *

44

37.5

Left side view

M18 × 26.4 P=1

14.1 dia.

5.2
13

Mounting Holes
35.9
42.8
50.4 56.9

18.5+0.5
0 dia.

7 dia.

Stability
indicator (green)

Suitable models
E3RB-T@11

E3RB series
M12 Connector Models
E3RB-T@21

E3RB-R@21
E3RB-D@2@

Suitable models
E3RB-R@11
E3RB-D@1@

Rear view

Vinyl insulated round cable 4 dia. 4 cores
(conductor cross sectional area:0.128 mm2 (AWG26)
/insulation outside diameter:0.85 dia.)
standard length 2 m

Rear view

Optical axis

Receiver
5.2

7

Sensitivity adjuster
Operation indicator (orange)

Front view

Optical axis
Emitter


M18 × 26.4 P=1

14.1 dia.

5.2
13

Mounting Holes

35.9
42.8
50.4

18.5+0.5
0 dia.
60.9

7 dia.

Stability
indicator (green)
M12 × 4 P=1

Suitable models
E3RB-T@21

Suitable models
E3RB-R@21
E3RB-D@2@


Sensitivity adjuster
Operation indicator (orange)

Bottom view
3

2

4

1

Terminal No.
Specification
1
+V
2
L/on · D/on selectable
3
0V
4
Output

17


E3FA/E3RA/E3FB/E3RB
Attached nut
4

24 dia.

Three, 24

M18

Material:POM(for E3FA/E3RA)
Nickel-brass(for E3FB/E3RB)

4 P=1

Accessories (Order Separately)
Reflectors
E39-R1S

E39-RP1
3

34

Two, 3.5 dia.

8.5

44

40.3
7.5

7


0.2

59.9

80

52

72 63.6
Reflector

8
2.7

1.6

Material,
reflective surface: acrylic
Rear surface: ABS

Mounting brackets
E39-L183

Two, 3.5 dia.

Mounting brackets
E39-L182

42

4.3
Two, R15

22
Two, 30°
Two, 4.3

37

14.5 12.5

15

1.5

(R16.5)

27 dia.

90°
18.2 dia.

15.1

36.5
20

18

16.7 dia.



Terms and Conditions Agreement
Read and understand this catalog.
Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have
any questions or comments.

Warranties.
(a) Exclusive Warranty. Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship
for a period of twelve months from the date of sale by Omron (or such other period expressed in writing
by Omron). Omron disclaims all other warranties, express or implied.
(b) Limitations. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT
NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE
PRODUCTS. BUYER ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE PRODUCTS WILL
SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE.
Omron further disclaims all warranties and responsibility of any type for claims or expenses based on infringement by the Products
or otherwise of any intellectual property right. (c) Buyer Remedy. Omron’s sole obligation hereunder shall be, at Omron’s election,
to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or replacement thereof) the
non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount equal to the purchase price
of the non-complying Product; provided that in no event shall Omron be responsible for warranty, repair, indemnity or any other
claims or expenses regarding the Products unless Omron’s analysis confirms that the Products were properly handled, stored,
installed and maintained and not subject to contamination, abuse, misuse or inappropriate modification. Return of any Products by
Buyer must be approved in writing by Omron before shipment. Omron Companies shall not be liable for the suitability or
unsuitability or the results from the use of Products in combination with any electrical or electronic components, circuits, system
assemblies or any other materials or substances or environments. Any advice, recommendations or information given orally or in
writing, are not to be construed as an amendment or addition to the above warranty.
See or contact your Omron representative for published information.

Limitation on Liability; Etc.
OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,

LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS,
WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE OR STRICT LIABILITY.
Further, in no event shall liability of Omron Companies exceed the individual price of the Product on which liability is asserted.

Suitability of Use.
Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the
combination of the Product in the Buyer’s application or use of the Product. At Buyer’s request, Omron will provide applicable
third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself is
not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine, system,
or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product with
respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases.
NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE
QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS,
AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE
OVERALL EQUIPMENT OR SYSTEM.

Programmable Products.
Omron Companies shall not be responsible for the user’s programming of a programmable Product, or any consequence thereof.

Performance Data.
Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining
suitability and does not constitute a warranty. It may represent the result of Omron’s test conditions, and the user must correlate it
to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability.

Change in Specifications.
Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our practice
to change part numbers when published ratings or features are changed, or when significant construction changes are made.
However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers may be
assigned to fix or establish key specifications for your application. Please consult with your Omron’s representative at any time to
confirm actual specifications of purchased Product.


Errors and Omissions.
Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is
assumed for clerical, typographical or proofreading errors or omissions.


ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.

OMRON Corporation

Industrial Automation Company

Authorized Distributor:

Tokyo, JAPAN

Contact: www.ia.omron.com
Regional Headquarters
OMRON EUROPE B.V.
Sensor Business Unit
Carl-Benz-Str. 4, D-71154 Nufringen, Germany
Tel: (49) 7032-811-0/Fax: (49) 7032-811-199

OMRON ELECTRONICS LLC
One Commerce Drive Schaumburg,
IL 60173-5302 U.S.A.
Tel: (1) 847-843-7900/Fax: (1) 847-843-7787

OMRON ASIA PACIFIC PTE. LTD.

No. 438A Alexandra Road # 05-05/08 (Lobby 2),
Alexandra Technopark,
Singapore 119967
Tel: (65) 6835-3011/Fax: (65) 6835-2711

OMRON (CHINA) CO., LTD.
Room 2211, Bank of China Tower,
200 Yin Cheng Zhong Road,
PuDong New Area, Shanghai, 200120, China
Tel: (86) 21-5037-2222/Fax: (86) 21-5037-2200

© OMRON Corporation 2012 All Rights Reserved.
In the interest of product improvement,
specifications are subject to change without notice.
CSM_1_11_0514
Printed in Japan
Cat. No. E424-E1-03
1013(1112)