K8AC-CT20S Omron, K8AC-CT20S Datasheet - Page 21

• Manufacturer Part Number: K8AC-CT20S
• Description: CURRENT TRANSFORMER .2-22A
• Manufacturer: Omron
• Series: K8ACr

Specifications of K8AC-CT20S

• Accessory Type: Current Transformer
• For Use With/related Products: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: K8ACCT20S

Safety Precautions
The following precautions are essential to ensure safety. Always heed
these precautions.
1. Do not use or store the Product in the following locations.
2. Use DIN Track for installation and mount the Product in the correct
3. Do not touch the terminals when power is being supplied. Electric
4. Be sure you understand the contents of the Instruction Sheet and
5. Check all terminal numbers and polarity when wiring and wire all
6. Tighten terminal screws to the following torque.
7. Use the Product within the specified temperature and humidity
8. Do not use the product in locations subject to flammable or
9. Do not install the Product in any way that would place a load on it.
10.Use the Current Transformer specified by OMRON.
11.Install an external switch or circuit breaker that complies with
12.The product must be handled by personnel who have knowledge
The following precautions are essential to ensure correct use. Always
heed these precautions.
1. Do not use the product in the following locations.
2. Make sure to use setting values appropriate for the controlled
3. Do not use thinner or similar solvent for cleaning. Use commercial
4. When discarding, properly dispose of the product as industrial
5. To measure correct values, perform aging for approximately 15
6. Only use this product within a board whose structure allows no
Installation
1. When wiring, use only recommended crimp terminals.
2. Do not block areas around the product for proper dissipation of
direction.
shock may occasionally occur.
User’s Manual and handle the Product according to the
instructions provided.
connections correctly.
ranges.
explosive gases. Explosions may occasionally occur if the product
is used in such locations.
applicable IEC60947-1 and IEC60947-3 requirements and label it
clearly so that the operator can quickly turn OFF the power.
of electrical systems.
object. Failure to do so can cause unintended operation, and may
result in accident or corruption of the product.
alcohol.
waste.
minutes.
possibility for fire to escape.
heat. (If you do not secure space for heat dissipation, life cycle of
the product will be compromised.)
Power supply terminals: 0.5 N·m
• Outdoors or in locations subject to direct sunlight, wind, or rain
• Locations subject to dust, metal powder, or corrosive gases (in
• Locations subject to static electricity or noise
• Locations subject to flooding or exposure to oil
• Places subject to radiant heat from heat generating devices.
• Places subject to vibrations or physical shocks.
particular, sulfuric or ammonia gas)
Precautions for Correct Use
Precautions for Safe Use
Mounting the K8AC-H
Removing the K8AC-H
Noise Countermeasures
1. Do not install the product near devices generating strong high
2. When using a noise filter, check the voltage and current and install
3. In order to prevent inductive noise, wire the lines connected to the
Wiring
Wiring the Screw-less Clamp Terminals
Removing Wires from the Screw-less Clamp Terminals
• Pull down the hook on the bottom of the K8AC-H, and then catch
• Pull down on the hook with a flat-blade screwdriver and lift up on
• Do not touch terminals or perform wiring while power is supplied to
• Wire to the correct terminal number. Incorrect wiring may result in
• Directly insert the ferrule in the hole of the terminal to be wired.
• Insert the recommended flat-blade screwdriver straight into the
the hook on the top of the K8AC-H onto the DIN Track and press
the K8AC-H onto the DIN Track until it locks into place.
the K8AC-H.
the product. Doing so may result in injury or malfunction.
damage to or burning of components.
hole to pull out the wire.
frequency waves or surges.
it as close to the product as possible.
product separately from power lines carrying high voltages or
currents. Do not wire in parallel with or on the same cable as power
lines.
Other measures for reducing noise include running lines along
separate ducts and using shield lines.
K8AC-H
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