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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.

Summary of Contents for K8AK-AS1 24VAC/DC

Page 1: ...ent Transformer CT Direct input is not possible Accessory Order Separately OMRON CT Commercially Available CTs If you use a commercially available CT do not exceed the overload capacity of the K8AK AW...

Page 2: ...mA AC DC 50 to 500 mA AC DC Approx 5 Direct input Continuous input at 120 of maximum input 1 s at 150 0 to 100 mA AC DC I2 COM Approx 1 Direct input 0 to 500 mA AC DC I3 COM Approx 0 2 Direct input K...

Page 3: ...puts ALM Red Input impedance Refer to Input Range on previous page Output relays Two SPDT relay outputs normally closed operation Output relay ratings Rated load Resistive load 5 A at 250 VAC 5 A at 3...

Page 4: ...minals Between input terminals and output terminals Dielectric strength 2 000 VAC for one minute Between external terminals and case Between power supply terminals and input terminals Between power su...

Page 5: ...h the OMRON K8AC CT200L Current Transformer CT Wiring Example Directly Inputting a Current Using a CT Always turn on the control power supply for the K8AK at least 2 seconds before turning on the powe...

Page 6: ...AL1 Contact b for the approx 1 second interval immediately after the K8AK control power supply is turned on After that a switch to contact a will be made as an overcurrent state is no longer present A...

Page 7: ...K8AK power supply voltage Power ON Undercurrent AL2 contacts 21 24 Undercurrent set value AL2 30 of AL1 current set value Overcurrent AL1 contacts 11 14 Lit AL2 alarm indicator AL1 alarm indicator Ove...

Page 8: ...ng time 0 1 to 30 s t Operating time 0 1 to 30 s t t Delay 250 ms reference value Delay 250 ms reference value Delay 250 ms reference value Delay 250 ms reference value Flashing Flashing Power ON lock...

Page 9: ...ched the same level Use this as a guide to set the current The maximum setting range will differ depending on the model and the input terminal Example K8AK AW3 Using Input Terminals I3 COM The maximum...

Page 10: ...de to set the startup lock time The startup lock time will start when the input current reaches 30 or more of the set value Use startup lock time to prevent unwanted operation e g as a result of inrus...

Page 11: ...figure for information on the motor startup current For a motor with a rating of 5 A the startup current will be approximately 30 A The startup current will exceed the overload capacity rating 150 for...

Page 12: ...cified torque of 0 49 to 0 59 N m Use of the product beyond its life may result in contact welding or burning Make sure to consider the actual operating conditions and use the product within its rated...

Page 13: ...ifficult to see 15 Do not use the product if it is accidentally dropped The internal components may be damaged 16 Be sure you understand the contents of this catalog and handle the product according t...

Page 14: ...MEMO 14...

Page 15: ...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 Pr...

Page 16: ...0169 U S A Tel 1 847 843 7900 Fax 1 847 843 7787 Regional Headquarters OMRON EUROPE B V Wegalaan 67 69 2132 JD Hoofddorp The Netherlands Tel 31 2356 81 300 Fax 31 2356 81 388 Contact www ia omron com...

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