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K8AK-VW

9

Safety Precautions

Be sure to read the precautions for all models in the website at the following URL: http://www.ia.omron.com/.

Warning Indications

Meaning of Product Safety Symbols

Electrical shock may occasionally cause serious injury. 
Confirm that the input voltage is OFF before starting any 
wiring work and wire all connections correctly.

Electrical shock may cause minor injury.
Do not touch terminals while electricity is being supplied.

There is a risk of minor electrical shock, fire, or device failure. 
Do not allow any pieces of metal, conductors, or cutting chips 
that occur during the installation process to enter the product.

Explosions may cause minor injuries. Do not use the product  
in locations with inflammable or explosive gases.

There is a risk of minor electrical shock, fire, or device failure. 
Do not disassemble, modify, repair, or touch the inside of the 
product.

Loose screws may cause fires. Tighten terminal screws to the 
specified torque of 0.49 to 0.59 N·m.

Use of excessive torque may damage the terminal screws. 
Tighten terminal screws to the specified 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 load and 
electrical life count. The life of the output relay varies 
significantly with the switching capacity and switching 
conditions.

 WARNING

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.

 CAUTION

Indicates a potentially hazardous situation 
which, if not avoided, may result in minor or 
moderate injury or in property damage.

Precautions for Safe 

Use

Supplementary comments on what to do or 
avoid doing, to use the product safely.

Precautions for 

Correct Use

Supplementary comments on what to do or 
avoid doing, to prevent failure to operate, 
malfunction, or undesirable effects on 
product performance.

Used to warn of the risk of electric shock under 
specific conditions.

Used for general prohibitions for which there is no 
specific symbol.

Used to indicate prohibition when there is a risk of 
minor injury from electrical shock or other source if 
the product is disassembled.

Used for general mandatory action precautions for 
which there is no specified symbol.

 WARNING

 CAUTION

Summary of Contents for 378174

Page 1: ...afety Precautions on page 9 Refer to page 8 for commonly asked questions For the most recent information on models that have been certified for safety standards refer to your OMRON website Setting ran...

Page 2: ...stive load 5 A at 250 VAC 5 A at 30 VDC Maximum switching capacity 1 250 VA 150 W Minimum load 5 VDC 10 mA reference values Mechanical life 10 million operations min Electrical life 5 A at 250 VAC or...

Page 3: ...4 CCC GB T 14048 5 Insulation resistance 20 M min Between all external terminals and the case Between all power supply terminals and all input terminals Between all power supply terminals and all outp...

Page 4: ...is no relay output during timer operation V1 21 V2 V3 24 22 11 12 14 A1 A2 C A1 A2 Single phase power supply Load Power supply voltage Power supply AC DC t t1 t Delay 250 ms reference value Delay 250...

Page 5: ...tes 1 and 2 Terminal block See notes 1 and 2 Item Meaning Power indicator PWR Green Lit when power is being supplied Relay status indicator RY Yellow Lit when relay operates Not light when both AL1 an...

Page 6: ...perating mode are set using the DIP switch located on the bottom of the Unit Model Setting range Wiring connection K8AK VW2 1 to 10 V AC DC V1 COM 3 to 30 V AC DC V2 COM 15 to 150 V AC DC V3 COM K8AK...

Page 7: ...sing Input Terminal V3 COM The maximum setting range will be 600 VAC VDC and the setting range will be 60 to 600 V Operating Time The operating time is set using the operating time knob T The operatin...

Page 8: ...nnection Diagram How to Measure the Operating Time Overvoltage Change the input suddenly from 0 to 120 of the set value and measure the time until the Unit operates Undervoltage Change the input sudde...

Page 9: ...9 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 load and electrical life co...

Page 10: ...rely and become difficult 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 pr...

Page 11: ...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 12: ...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 Tokyo JA...

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