Omron K8AB-PM Series Manual Download | Manualshive

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Cat. No. N146-E1-02

Three-phase Phase-sequence Phase-loss Relay

K8AB-PM

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Summary of Contents for K8AB-PM Series

Page 1: ...Legend 1 Basic Model K8AB Measuring and Monitoring Relays 2 Functions PM Three phase Phase sequence Phase loss Relay Simultaneous upper and lower monitoring 3 Rated Input Voltage 1 115 127 133 138 20...

Page 2: ...oss 0 1 s max Startup lock time LOCK 1 s or 5 s Switched using DIP switch Indicators Power PWR Green Relay output RY Yellow OVER UNDER Red Output relays Two SPDT relays NC operation Output relay ratin...

Page 3: ...time Fluctuation based on measured value at standard temperature 20 C to standard temperature 10 max Standard temperature to 60 C 10 max Humidity 25 to 80 Humidity influence Operating value Based on a...

Page 4: ...L1 L2 L3 T T Note 1 The K8AB PM output relay is normally operative 2 The power ON lock prevents unnecessary alarms from being generated during the instable period when the power is first turned on Th...

Page 5: ...or Terminal block See notes 1 and 2 Terminal block See notes 1 and 2 0 1 Item Meaning Power indicator PWR Green Lit when power is being supplied see note Relay status indicator RY Yellow Lit when rela...

Page 6: ...ch Settings The power ON lock time number of wires and rated voltage are set using the DIP switch located on the bottom of the Unit Load Voltage input Signal output 14 12 L1 L2 L3 11 L1 N L2 L3 Signal...

Page 7: ...urn the knob while there is an input to the input terminals until the alarm indicator flashes when the set value and the input have reached the same level Use this as a guide to set the voltage The ra...

Page 8: ...in accident or corruption of the product 3 Do not use thinner or similar solvent for cleaning Use commercial alcohol 4 When discarding properly dispose of the product as industrial waste 5 Only use th...

Page 9: ...just the slide resistor so that the voltage applied to the K8AB terminals is 120 of the set value for overvoltage detection and 80 of the set value for undervoltage detection when the auxiliary relay...

Page 10: ...operation As the graph shows phase loss cannot be detected because the motor terminal voltage does not drop very much even if a phase is lost when the load on the motor is light To detect motor load...

Page 11: ...Cat No N146 E1 02 Three phase Phase sequence Phase loss Relay K8AB PM 11...

Page 12: ...TIAL 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 responsibil...

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