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Enabling Switch
A4E
CSM_A4E_DS_E_3_2
3-position Enabling Switch for Safer
Robot Operation
• Clicking feel.
• Conforms to U.S. standards (ANSI/RIA R15.06-1999) for
3-position switches.
• Can be mounted in two directions.
Be sure to read the “Safety Precautions” on page 5.
For the most recent information on models that have been certified for
safety standards, refer to your OMRON website.
Model Number Structure
Model Number Legend
A4E-@@@@@@
1 2 3 4 5 6
1. Total contact number
B: Two contacts
C: Four contacts
2. Enable outputs
2: Two contacts
3. Release monitor outputs
0: None
1: One contact
4. Grip monitor outputs
0: None
1: One contact
5. Mounting bracket
S: No mounting bracket
H: Horizontal mounting bracket
V: Vertical mounting bracket
6. Cover
S: No cover
A: Rubber cover
Ordering Information
List of Models
Model
Specification
A4E-B200SS
Two contacts, no mounting bracket, no rubber seal
A4E-B200HS
Two contacts, horizontal mounting, no rubber seal
A4E-B200VS
Two contacts, vertical mounting, no rubber seal
A4E-B200VA
Two contacts, vertical mounting, with rubber seal
A4E-C211SS
Four contacts, no mounting bracket, no rubber seal
A4E-C211HS
Four contacts, horizontal mounting, no rubber seal
A4E-C211VS
Four contacts, vertical mounting, no rubber seal
A4E-C211VA
Four contacts, vertical mounting, with rubber seal
1
A4E
Specifications
Certified Standards
Ratings
Certification body
Standard
File No.
UL *
UL508
CSA C22.2 No.14
E76675
TÜV SÜD
EN60947 5-1
(certified direct
opening)
EN60947-5-8
Consult your OMRON
representative for
details.
GB14048.5
2003010305070634
CQC (CCC)
* Certification for CSA C22.2 No. 14 by UL has been obtained.
Certified Standard Ratings
TÜV (EN60947-5-1)
Utilization
category
AC-15
DC-13
Rated operating current (Ie)
0.75 A
0.55 A
Rated operating voltage (Ue)
240 V
125 V
Item
Rated insulation voltage
250 V
Rated ON current
2.5 A
Rated load
24 VDC, 300 mA (inductive load)
125 VAC, 1 A (resistive load)
Minimum applicable load 24 VDC, 4 mA
Impulse withstand
voltage
4.0 kV between terminals of different
polarity, 2.5 kV between terminals of
same polarity
Ambient operating
temperature
−10 to 55°C (with no icing)
Ambient operating
humidity
35% to 85% (with no condensation)
Ambient storage
temperature
−25 to 65°C
Characteristics
UL/CSA (UL508, CSA C22.2 No.14),
CCC (GB 14048.5)
300 mA at 24 VDC (Inductive load)
1 A at 125 VAC (Resistive load)
Insulation resistance
100 MΩ min. (at 500 VDC)
Contact resistance
100 mΩ max. (initial value)
Vibration resistance
10 to 55 Hz, 0.75-mm single amplitude
min.
Shock resistance
150 m/s2
Mechanical durability
OFF-ON: 1,000,000 operations min.
OFF-ON-OFF (direct opening):
100,000 operations min.
Electrical durability
100,000 operations min.
Degree of protection
IP65 (rubber seal type only)
Structure
Contact form
4-Contact Type: 2NO (enable output)
1NC (release output)
1NC (grip output)
Direct opening for all
contacts *
Contact form
2-Contact Type: 2NO (enable output)
Direct opening for all
contacts *
Operating
pattern
During operation: OFF-ON-OFF
During reset:
OFF-OFF momentary
3-position operation
Terminal shape
Solder terminals
2
4
7
6
1
3
8
5
SW1, SW2: Enable output
SW3:
Release output
SW4:
Grip output
SW1 SW2 SW3 SW4
Note: SW3 and SW4 are for 4-Contact Types only.
* Direct opening only during grip.
Operating Characteristics
Operating stroke
OF2
Operating force
Symbol
PT1
PT2
TT1 PT3 PT4 TT2
Operating stroke
[email protected]
A4E-B200VA
[email protected]
PT1
Release output (ON)
---
---
1 mm max.
1.2 mm max.
PT2
Enable output (ON)
3.2 mm max.
3.4 mm max.
3.2 mm max.
3.4 mm max.
TT1
Max. enable holding
position
Approx.
4 mm
Approx.
4.2 mm
Approx.
4 mm
Approx.
4.2 mm
PT3
Enable direct
opening position
5.4 mm max.
5.6 mm max.
5.4 mm max.
5.6 mm max.
PT4
Grip output (ON)
---
---
5.4 mm min.
5.6 mm min.
Approx.
6.5 mm
Approx.
6.7 mm
Approx.
6.5 mm
Approx.
6.7 mm
A4E-C211VA
TT2
Name
Max. stroke
A4E-C211VA
Operating force (reference values)
Symbol
Name
[email protected]
A4E-B200VA
[email protected]
OF1
Enable operating force
7 N max.
14 N max.
7 N max.
14 N max.
HF *
Enable holding force
Approx. 5.5 N
Approx. 8 N
Approx. 5.5 N
Approx. 8 N
OF2
Grip operating force
35 N max.
40 N max.
35 N max.
40 N max.
* HF indicates “holding force”.
2
A4E
Dimensions
(Unit: mm)
2-Contact Type
4-Contact Type
No mounting bracket
A4E-B200SS
No mounting bracket
A4E-C211SS
10.9
10.9
60.2
58.2
60.2
58.2
Approx. 6.5
Approx. 6.5
19
1 max.11
1 max.
1 max.
19
1 max.11
11 13.1
11.1
9.2
28.9
34.2
38.5
9.2
30.7
34.2
13.2
13.2
8
8
8
8
44.3
44.3
Horizontal mounting
A4E-B200HS
Horizontal mounting
A4E-C211HS
7.1
7.1
7.1
13.2
7.1
80.3
80.3
Approx. 6.5
Approx. 6.5
11
10.1
38.5
70.3
9.8
11
25
25
6 10
11
6 10
Two, 3.2 dia.
holes
10.9
60.2
58.2
10.9
60.2
58.2
34.2
13.2
4.1
9.2
13.2
Two, 3.2 dia.
holes
28.9
34.2
38.5
70.3
9.8
9.2
7.1
13.2
3
A4E
Vertical mounting
A4E-B200VS
Vertical mounting
A4E-C211VS
72
72
19.3
19.3
Two, M3
screw holes
Two, M3
screw holes
82
60.2
82
60.2
58.2
Approx. 6.5
10.9
Approx. 6.5
10.9
58.2
13.6
13.6
18.5
15.5
34.2
28.9
34.2
38.5
62.8
9.2
38.5
13.2
62.8
Vertical mounting
with rubber seal
A4E-B200VA
9.2
13.2
Vertical mounting
with rubber seal
A4E-C211VA
21.3
21.3
84
84
Approx. 6.7
16.6 max.
16.6 max.
15 17.5
14.5
34.2
38.5
62.8
72
Approx. 6.7
9.2
13.2
28.9
34.2
9.2
38.5
13.2
62.8
72
4
A4E
Safety Precautions
Indication and Meaning for Safe Use
WARNING
Vertical mounting type with rubber seal
(2-Contact type/4-Contact type)
Indicates a potentially hazardous situation
which, if not avoided, will result in minor
or moderate injury, or may result in
serious injury or death. Additionally there
may be significant property damage.
72±0.1
63.3±0.1
13.5±0.1
Two, 3.2-dia.+0.2
0 holes
Precautions
for Safe Use
Supplementary comments on what to do
or avoid doing, to use the product safely.
!WARNING
Do not wire the Switch or touch any terminal of the
Switch while power is being supplied. Doing so may
result in electric shock.
Always use the Switch in a system that is operated
directly by hand. Do not operate the Switch with a
mechanical actuator. Insufficient Switch strength may
result in damage to the Switch, electric shock, or fire.
Design a safe system for using the Switch, based on a
risk assessment that takes into account all reasonably
foreseeable malfunctions.
Prior to using the Switch in places that are subject to contact with oil,
water, or chemicals, check the effect of those substances on the
Switch.
Some types of oil, water, and chemicals will degrade the sealing
capability, which may result in contact failure, defective insulation,
ground fault, or burning damage.
Improper Operating Environment
• Do not use the Switch in places that are subject to sudden
temperature change.
• Do not use the Switch in places that are subject to high
temperatures and condensation.
• Do not use the Switch in places that are subject to strong vibration.
• Do not use the Switch in places that are subject to direct contact
with machine filings or dust.
Configure the system so that the machine operates only
when the Switch is in the enable position.
Precautions for Correct Use
Mounting
Use M3 screws and flat washers or spring washers to mount the
Switch securely. Use a tightening torque of 0.39 to 0.59 N·m.
4-Contact type
44.3±0.1
44.3±0.1
8 9.5±0.1
8
34.5
Four, 2-dia. holes
8 13.5±0.1
8
+0.2
0
39
+0.2
0
Two, 3.2-dia.
holes
Four, 2-dia. holes
+0.2
0
Two, 3.2-dia.+0.2
holes
0
Horizontal mounting type (2-Contact type/4-Contact type)
70.3±0.1
Two, 3.2
+0.2
0
• Use an appropriate wire size (0.5 to 0.75 mm2) for the applied
voltage and carry current.
• Do not use a #110 tab receptacle.
• Wire according to the terminal numbers. Mistaken wiring may
damage the Switch and result in fire.
• Wire according to the terminal arrangement.
• Use good-quality 6:4 (tin:lead) solder.
• Use a resin flux cored solder.
• Do not use a liquid or chlorine type flux.
• Perform soldering within 3 s using a 30-W max. soldering iron
(temperature at the tip of the soldering iron: 350°C max.). Insulate
with an insulation tube.
• Do not move the terminal for at least one minute after soldering.
• Do not apply a force that would deform the terminal when wiring.
Operating Environment
Determine the Switch mounting direction and structural
design only after thorough risk assessment. For
example, in a structure where the Switch protrudes from
the pendant perimeter, the weight of the pendant itself
could place the Switch into the enable condition and
operate the machine. Likewise, in a buried structure
where the Switch lies below the surface of the pendant,
the Switch may not enter the grip condition when
pressed and thus fail to stop the machine.
No-mounting-bracket type
2-Contact type
Wiring
dia. holes or M3 screw holes
Storage
• Do not store the Switch in places with hydrogen sulfide or other
corrosive gas or sea breeze.
• Do not store the Switch in places where the level of dust is high
enough to be visible.
• Do not store the Switch in direct sunlight.
• Do not impose excessive force on the Switch during storage.
Otherwise, the Switch may deform.
Handling
• Do not drop the Switch. Otherwise, the Switch may malfunction.
• Do not apply strong vibration or shock to the Switch. Otherwise, the
Switch may malfunction or be damaged.
Do not contact the Switch with sharp objects. Otherwise, the
Switch may be scratched. Scratches on the operating portion of the
Switch may result in problems both in appearance and operation.
Vertical mounting type (2-Contact type/4-Contact type)
72±0.1
63.3±0.1
13.5±0.1
Two, 3.2-dia.+0.2
0 holes
5
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.
Warranty and Limitations of Liability
WARRANTY
OMRON's exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if specified)
from date of sale by OMRON.
OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NON-INFRINGEMENT, MERCHANTABILITY, OR
FITNESS FOR PARTICULAR PURPOSE OF THE PRODUCTS. ANY BUYER OR USER ACKNOWLEDGES THAT THE BUYER OR USER ALONE HAS
DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. OMRON DISCLAIMS ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED.
LIMITATIONS OF LIABILITY
OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR COMMERCIAL LOSS
IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT
LIABILITY.
In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted.
IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS 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 OR REPAIR.
Application Considerations
SUITABILITY FOR USE
OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer's
application or use of the products.
At the customer's request, OMRON will provide applicable third party certification documents identifying ratings and limitations of use that apply to the
products. This information by itself is not sufficient for a complete determination of the suitability of the products in combination with the end product,
machine, system, or other application or use.
The following are some examples of applications for which particular attention must be given. This is not intended to be an exhaustive list of all possible
uses of the products, nor is it intended to imply that the uses listed may be suitable for the products:
 Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this catalog.
 Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machines, vehicles,
safety equipment, and installations subject to separate industry or government regulations.
 Systems, machines, and equipment that could present a risk to life or property.
Please know and observe all prohibitions of use applicable to the products.
NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE
SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCTS ARE PROPERLY RATED AND
INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
PROGRAMMABLE PRODUCTS
OMRON shall not be responsible for the user's programming of a programmable product, or any consequence thereof.
Disclaimers
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 model numbers when published ratings or features are changed, or when significant construction changes are made.
However, some specifications of the products may be changed without any notice. When in doubt, special model numbers may be assigned to fix or
establish key specifications for your application on your request. Please consult with your OMRON representative at any time to confirm actual
specifications of purchased products.
DIMENSIONS AND WEIGHTS
Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when tolerances are shown.
PERFORMANCE DATA
Performance data given in this catalog 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 users must correlate it to actual application requirements. Actual performance is subject to the OMRON
Warranty and Limitations of Liability.
ERRORS AND OMISSIONS
The information in this document has been carefully checked and is believed to be accurate; however, no responsibility is assumed for clerical,
typographical, or proofreading errors, or omissions.
2012.9
In the interest of product improvement, specifications are subject to change without notice.
OMRON Corporation
Industrial Automation Company
http://www.ia.omron.com/
(c)Copyright OMRON Corporation 2012 All Right Reserved.
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