A3U - OMRON Industrial Automation

New Product
Plateau Head Pushbutton Switch
A3U
Easy connector enables less assembly and less wiring
• Highly reliable Major Omron basic switch, SS model built in.
• Possible cross over wiring on circuit construction.
• Easy one push to connect the Operation and Switch Units.
• 22 dia of the push button head size is suitable for operation.
Model Number Structure
Model Number Legend....For information on combinations, refer to Ordering Information.
A3U (1) -T (2)
(3)
(1) Lighted/Non-lighted
Symbol
No symbol
L
(3) Color of Pushbutton and Light
Type
Non-lighted
Lighted
(2) Flange Color
Symbol
B
M
(4) Voltage Used (LED)
- (4) A (5) C- (6) M
Color
Black
Metallic
Symbol
Color
W
S
R
Y
G
U
A
B
K
White
White
Red
Yellow
Green
Umber
Blue
Black
Black
Lighted
(Cap type/Color)
Transparent Cap/White
−
Transparent Cap/Red
Transparent Cap/Yellow
Transparent Cap/Green
Transparent Cap/White
Transparent Cap/Blue
−
−
Non-Lighted
(Cap type/Color)
Non-Transparent Cap/White
Transparent Cap/White
Transparent Cap/Red
Transparent Cap/Yellow
Transparent Cap/Green
−
Transparent Cap/Blue
Non-Transparent Cap/Black
Transparent Cap/Black
Symbol
No symbol
1
2
3
Operating Voltage
Non-lighted
5 VDC
12 VDC
24 VDC
(5) Contact Configuration
Symbol
1
2
Type
SPDT
DPDT
(6) Degree of Protection
Symbol
None
5
Protection
IP40
IP65 (Oil-proof type)
Ordering Information
Plateau Head Pushbutton Switches
Degree of Protection : IP40
Flange Color: Black
Lighting Output
SPDT
DPDT
SPDT
LED
DPDT
SPDT
DPDT
Nonlighted
SPDT
DPDT
LED
Voltage
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
−
−
Flange Color: Metallic
Model
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A3UL-TBG-1A1C-M
A3UL-TBG-2A1C-M
A3UL-TBG-3A1C-M
A3UL-TBU-1A1C-M-S
A3UL-TBU-2A1C-M-S
A3UL-TBU-3A1C-M-S
A3UL-TBG-1A2C-M
A3UL-TBG-2A2C-M
A3UL-TBG-3A2C-M
A3UL-TBU-1A2C-M-S
A3UL-TBU-2A2C-M-S
A3UL-TBU-3A2C-M-S
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@Pushbutton
color symbol
Lighting Output
SPDT
W, A
DPDT
G
SPDT
U
LED
G
DPDT
U
SPDT
R, Y
DPDT
W, S, R, Y,
G, A, B, K
Nonlighted
SPDT
DPDT
LED
Voltage
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
−
−
Model
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A3UL-TMG-1A1C-M
A3UL-TMG-2A1C-M
A3UL-TMG-3A1C-M
A3UL-TMU-1A1C-M-S
A3UL-TMU-2A1C-M-S
A3UL-TMU-3A1C-M-S
A3UL-TMG-1A2C-M
A3UL-TMG-2A2C-M
A3UL-TMG-3A2C-M
A3UL-TMU-1A2C-M-S
A3UL-TMU-2A2C-M-S
A3UL-TMU-3A2C-M-S
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@Pushbutton
color symbol
W, A
G
U
G
U
R, Y
W, S, R, Y,
G, A, B, K
1
A3U
Degree of Protection : IP65 (Oil-proof Type)
Flange Color: Black
LED
Lighting Output
Voltage
5 VDC
SPDT 12 VDC
24 VDC
5 VDC
DPDT 12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
SPDT
5 VDC
12 VDC
24 VDC
LED
5 VDC
12 VDC
24 VDC
DPDT
5 VDC
12 VDC
24 VDC
5 VDC
SPDT 12 VDC
24 VDC
5 VDC
DPDT 12 VDC
24 VDC
SPDT
−
Nonlighted DPDT
−
Flange Color: Metallic
@Pushbutton
color symbol
Model
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A3UL-TBG-1A1C-5M
A3UL-TBG-2A1C-5M
A3UL-TBG-3A1C-5M
A3UL-TBU-1A1C-5M-S
A3UL-TBU-2A1C-5M-S
A3UL-TBU-3A1C-5M-S
A3UL-TBG-1A2C-5M
A3UL-TBG-2A2C-5M
A3UL-TBG-3A2C-5M
A3UL-TBU-1A2C-5M-S
A3UL-TBU-2A2C-5M-S
A3UL-TBU-3A2C-5M-S
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Lighting Output
SPDT
W, A
DPDT
G
SPDT
U
LED
G
DPDT
U
SPDT
R, Y
DPDT
W, S, R, Y,
G, A, B, K
Nonlighted
SPDT
DPDT
LED
Voltage
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
5 VDC
12 VDC
24 VDC
−
−
Model
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A3UL-TMG-1A1C-5M
A3UL-TMG-2A1C-5M
A3UL-TMG-3A1C-5M
A3UL-TMU-1A1C-5M-S
A3UL-TMU-2A1C-5M-S
A3UL-TMU-3A1C-5M-S
A3UL-TMG-1A2C-5M
A3UL-TMG-2A2C-5M
A3UL-TMG-3A2C-5M
A3UL-TMU-1A2C-5M-S
A3UL-TMU-2A2C-5M-S
A3UL-TMU-3A2C-5M-S
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Accessories and Tools (Sold Separately)
Accessories
Accessory
Appearance
Type
Model number
Remarks
Used to plug a panel cutout hole for future expansion.
Do not use it on a panel cutout hole that
will be used to position a Switch and ensure that the Switch will not rotate. Use
this Plug for a 25-dia. panel cutout hole.
Refer to page 6 for information on panel
cutout holes.
The color is black.
Panel Plug
A22Z-3530
25-dia. Ring
A22Z-R25
Used together with a Panel Plug.
Cap Removal Suction
Cup
A3UZ-3010
Used to remove a cap.
Harness
A3UZ-5010-10
Used to connect to a connector.
Lead length: 1 m
Round
Tools
Tool
Tightening Tool
2
Appearance
Type
−
Model number
A22Z-3905
Remarks
Used to tighten nuts from the back of
the panel and to replace caps on Lighted Emergency Stop Switches.
@Pushbutton
color symbol
W, A
G
U
G
U
R, Y
W, S, R, Y,
G, A, B, K
A3U
Specifications
Approved Standard Ratings
Certification Authority
Certification no.
UL (See Note: 1 and Note: 2)
CSA (See Note: 1 and Note: 2)
TÜV (See Note: 3)
UL508
CSA C22.2 No.14
CSA C22.2 No. 14
EN60947-5-1
Rating
30 VDC 0.1 A
30 VDC 0.1 A
12 30 VDC 0.1 A
File no.
E41515
2650068
J50236157
Note: 1. Only Switch Blocks are recognized by UL/CSA. (Surrounding air Temperature: 55 °C)
Note: 2. Please use the power supply specified in UL/CSA class 2.
Note: 3. Use 4A 250V as short-circuit protective device when using under EN-compliant rating standard (IEC60127-2 SS1).
Ratings
Super-bright LED
Contacts
30 VDC, 0.1 A (Resistive load)
Minimum applicable load: 1 mA at 5 VDC
Rated voltage
Rated current
Operating voltage
15 mA
12 VDC ± 5 %
5 VDC ± 5 %
5 VDC
Rated values are obtained from tests conducted under the following conditions.
1. Load: Resistive load
2. Mounting conditions: No vibration and no shock
3. Temperature: 20 ± 2 °C
4. Operating frequency: 20 operations/min
Characteristics
Ambient operating temperature
Ambient operating humidity
Ambient storage temperature
Ambient storage humidity
24 VDC ± 5 %
24 VDC
Operating Characteristics
Pushbutton Switch
60 operations/minute max.
Operating force (OF) max.
4.5 N
30 operations/minute max.
Pretravel (PT) max.
3.3 mm
100 MΩ min. (at 500 VDC)
250 mΩ max. (initial value)
Total travel (TT) max.
3.7 mm
500 VAC, 50/60 Hz for 1 minute
Features
A3U
Circuit Diagram
500 VAC, 50/60 Hz for 1 minute
CN
1,500 VAC, 50/60 Hz for 1 minute
1
SW1
2
500 VAC, 50/60 Hz for 1 minute
10 to 55 Hz, 1.5-mm double amplitude
(malfunction within 1 ms)
2
300 m/s max. (malfunction within 1 ms)
1,000,000 operations min.
200,000 operations min.
40 N max.
30 V (EN60947-5-1)
Class II
3 (EN60947-5-1)
800 V (EN60947-5-1)
3
TOP VIEW
Item
Allowable Mechanical
operating
frequency Electrical
Insulation resistance
Contact resistance
Between terminals of
same polarity
Between terminals of
different polarity
Dielectric
strength
Between each
terminal and ground
Between all LED terminals
and all the other terminals
Vibration
Malfunction
resistance
Shock
Malfunction
resistance
Mechanical
Durability
Electrical
Connector holding force
Rated insulation voltage (Ui)
Electric shock protection class
Degree of contamination
Between terminals of
same polarity
Impulse
Between terminals of
withstand
different polarity
voltage
Between each
terminal and ground
Conditional short-circuit current
Conventional enclosed thermal
current (Ithe)
Weight
Degree of protection
12 VDC
4
R
5
LED
6
7
8
9
SW2
10
Note3
1. This circuits shows the lighted/bipolar type.
2. SW2 isn't mounted on 1 pole type.
3. An LED and R aren't mounted on the non-lighted type.
100A (EN60947-5-1)
0.1A (EN60947-5-1)
Approx. 30 g
IP40, IP65 (Oil-proof type)
-20 °C to 70 °C (Non-lighted type)
-20 °C to 70 °C (lighted type)
(with no icing or condensation)
35 % to 85 % RH
-40 °C to 70 °C
(with no icing or condensation)
35 % to 85 % RH
3
A3U
Dimensions
(unit: mm)
A3U
Directionality display
( mark)
Connector B10B-PASK (JST)
Terminal No.
30
28.2 dia.
22 dia.
1.8
29
17
46.8
2
Pushbutton Unit
49.8
Mouthing
nut
Lock ring
Lot. No.
Switch unit
Marking
Safety Precautions
Refer to Safety Precautions for All Pushbutton Switches/Indicators.
Precautions for Safe Use
• Do not disassemble or modify the Switch under any
circumstances. Doing so may cause malfunction.
• Do not drop or subject the Switch to extreme shock or force.
This may prevent the Switch from functioning to its full capability.
• The durability of the Switch varies considerably depending on the
switching conditions. Always test the switch under actual working
conditions before application and use the Switch only for the
number of switching operations allowed.
• Do not allow the load current to exceed the rated value. This may
damage or burn out the Switch.
• Refer to the Circuit Diagram and make sure to wire correctly. Only
the terminal (1) is printed and the right end of the terminal is read
as (10).
The switch back
Terminal (1)
• Do not use the Switch in locations where explosive or flammable
gases or liquid may be present or scattered. The electric ark or the
heat caused by switching contacts may trigger off a fire or
explosion.
• Do not use the Switch in locations where toxic gases, such as H2S,
SO2, NH3, HNO3, and Cl2, may be present, or in locations subject
to high temperature or humidity. Doing so may damage the Switch
due to contact failure or corrosion.
• Do not let the Switch submerged in oil or water, or use in locations
continuously subject to splashes of oil/water. Doing so may result
in oil or water entering the Switch.
• Do not use the Switch in the following locations;
- subject to severe temperature changes.
- subject to high humidity or condensation.
- subject to severe vibration or shock.
- where direct rays of the sun strike.
- where sea breeze may be present.
• When the Switch is exposed to the environment that are not
required, or stored in locations where condensation presents, or
damaged by fall out, or stored for more than an year, please test it
under the usage conditions before application.
• Mounting and Removing the Switch
1. Insert the Operation Unit from the front of the panel, insert the
Lock Ring and Mounting Nut from the back of the panel, and
tighten the Mounting Nut. Then, attach the Switch Unit to the
4
Operation Unit.
2. For a Switch with IP65 protection, make sure that the rubber
washer is in place between the Operation Unit and the panel.
3. Align the Lock Ring with the slot on the case and insert it so that
the edge is flush with the panel.
4. Tighten the Mounting Nut to between 0.98 and 1.96
.
5. To mount the Switch Unit to the Operation Unit, align the the
triangle marks on the Operation Unit and Switch Unit and insert
the Switch Unit until it locks securely in place.
6. The push marks on both sides are only for removal. Do not push
them when you insert the Switch Unit into the Pushbutton Unit.
Otherwise, the Pushbutton Unit will be hooked incorrectly.
7. To remove the Switch, press the levers on both sides in the
direction indicated by PUSH marks. Applying too much force
may damage the Switch.
8. Remove the Switch Unit before you remove the Pushbutton Unit.
If you loosen the mounting nut while the Switch Unit is still
attached, you will damage the Pushbutton Unit.
Rubber washer
Lock Ring
Triangle Mark
Lever
Tab
Operation Unit
Mounting Nut
Panel
Switch Unit
A3U
• Wiring
1. Do not wire the Switch while power is being supplied. Doing so
may result in electric shock.
2. Make sure to insert the connector to the end. This may prevent
the Switch from functioning to its full capability.
3. Do not subject the Switch to an excessive force when wiring. Fix
the cables first to avoid the connector and cables from being
pulled with. Otherwise, the connector may be disassembled or
damaged, resulting in the contact damages.
Too much tension
to the cables.
2) Attach the cap, aligning the slots on the slot on the cap with the
tab on the operation plunger.
Operation Plunger
Protruding Portions
Appropriate force
to the cables.
4. Refer to specification of each connector or catalogue for details
of installing or wiring the terminal side of the connector.
• Character Films
1) In addition to engraving characters on legend plungers, you can
insert a character film to display characters.
Applicable Character Film Size
Recommended connector;
Manufacture
Name
Contact
J.S.T. Mfg Co.
Housing
Cap
Cutout Portions
19±0.1
Model
Applicable lead wire
SPHD-002T-P0.5
AWG#26 to 22
SPHD-001T-P0.5
AWG#28 to 24
PAP-10V-S
AWG#28 to 22
1.1+0.2
0
20±0.1 dia.
19±0.1
1.1+0.2
0
• Choose the applicable contact to the wire.
(Unit: mm)
Precautions for Correct Use
• Attaching and Removing Caps and Legend Plungers
Removal
1) Use the A3UZ-3010 Cap Removal Suction Cup (sold
separately) to remove the cap.
Thickness: 0.2 mm max.
Recommended material: Polyethylene
Note: A Character Film is not included with the product.
2)The following figure shows the tabs on the legend plunger that
are used to position the character film.
Tabs for character
film positioning
Character film
2) After you remove the cap, you can remove the legend plunger
and engrave it.
You cannot remove the legend plungers from Switches with
IP65 protection.
Attachment
1) The legend plunger fits in only one direction. Align the tabs on
the legend plunger with the slots on the operation plunger and
press the cap onto the operation plunger.
Operation Plunger
Legend Plunger
Cap
Insert the legend plunger so that
the groove widths are lined up.
5
A3U
• Operating Environment
1. This Switch is intended for indoor use only. Do not use the
Switch outdoors.
2. Do not set the Switch in locations where powders, mud, or any
other substances may be piled, or subject to any splashes of oil
or water. Always test the switch under actual working conditions
before application.
3. The Switches with oil-resistant IP65 protection use NBR rubber
and are resistant to general cutting oils and cooling oils. Some
special oils, however, cannot be used with these Switches.
Contact your OMRON representative for details.
• Mounting panels
1. Set mounting panel thickness to be 0.8 to 3.2 mm.
2. The panel dimension is set as below;
0
2.4 -0.1
4-R0.5 max.
25.2+0.4
-0.1 dia.
25.2±0.1 dia.
23.5 +0.1
0
(Unit: mm)
Cutout Hole for Positioning
and to Prevent Switch Rotation
- The value in ( ) indicated below is the minimum value
suggested for easy detaching of the Switch.
- Minimum panel pitch is 30/32 mm. Consider the flexibility and
allowance of detaching and wiring, set the pitch to the
appropriate value.
- Leave some spaces for a finger between panels, so as to pinch
the levers.
- Place the panels in the same direction. Do not set the
connectors face to face for easy removal.
30 min.
(preferably 45 min.)
32 min.
(preferably 40 min.)
(Unit: mm)
Wrong setup :
Right setup :
Connectors are too closely placed.
Same direction
Levers are too close and
cannot be pushed.
6
Some rooms for fingers to push.
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 http://www.omron.com/global/ 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.
OMRON Corporation
Industrial Automation Company
Authorized Distributor:
Tokyo, JAPAN
Contact: www.ia.omron.com
Regional Headquarters
OMRON EUROPE B.V.
Wegalaan 67-69, 2132 JD Hoofddorp
The Netherlands
Tel: (31)2356-81-300/Fax: (31)2356-81-388
OMRON ELECTRONICS LLC
2895 Greenspoint Parkway, Suite 200
Hoffman Estates, IL 60169 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 2013-2015 All Rights Reserved.
In the interest of product improvement,
specifications are subject to change without notice.
Printed in Japan
CSM_4_1_0115
Cat. No. A224-E1-02
0115 (0413)