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Cat. No. N148-E1-01

 

Three-phase Voltage Relay

 K8AB-PW

1

Three-phase Voltage Relay

K8AB-PW

Ideal for monitoring 3-phase power supplies 
for industrial facilities and equipment.

• Monitor overvoltages and undervoltages for three-phase 3-wire 

or 4-wire power supplies. 
Switch setting for 3-phase 3-wire or 3-phase 4-wire power 
supply.

• Two SPDT output relays, 6 A at 250 VAC (resistive load).

Separate outputs possible for overvoltages and undervoltages.

• World-wide power specifications supported by one Unit 

(switchable).

• Relay warning status easily monitoring using LED indicator.

• Easy wiring with ferrules

×

 2.5 mm

2

 solid or 2 

×

 1.5 mm

2

 standard ferrules.

• CE mark compliance certified by third party.

UL certification pending.

Model Number Structure

Model Number Legend

1. Basic Model

K8AB: Measuring and Monitoring Relays

2. Functions

PW:

Three-phase Voltage Relay (Simultaneous upper and lower monitoring)

3. Rated Input Voltage

1:

115, 127, 133, 138, 200, 220, 230, 240 VAC

2:

220, 230, 240, 277, 380, 400, 415, 480 VAC

1

2 3

K8AB-

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Summary of Contents for K8AB-PW

Page 1: ...possible for overvoltages and undervoltages World wide power specifications supported by one Unit switchable Relay warning status easily monitoring using LED indicator Easy wiring with ferrules 2 2 5...

Page 2: ...ltage and undervoltage Operating value setting range Overvoltage 30 to 25 of maximum rated input voltage Undervoltage 30 to 25 of maximum rated input voltage Note The rated input voltage is switched w...

Page 3: ...ged parts 20 M at 500 V between any charged terminals i e between input output and power supply terminals Degree of protection Terminal section IP20 Rear case IP40 Case color Munsell 5Y8 1 ivory Case...

Page 4: ...22 21 Over voltage alarm Under voltage alarm Load The power supply is shared with the rated in put voltage Power indicator Relay status indicator Overvoltage knob OVER Undervoltage knob UNDER Operati...

Page 5: ...hase 4 wire power monitoring mode SW3 SW4 Function Default 3 phase 3 wire mode 3 phase 4 wire mode SW3 SW4 OFF OFF Rated input voltage switch K8AB PW1 200 VAC 115 VAC OFF OFF ON OFF 220 VAC 127 VAC OF...

Page 6: ...roduct 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 this product within a board whose st...

Page 7: ...ndividual price of the product on which liability is asserted IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY REPAIR OR OTHER CLAIMS REGARDING THE PRODUCTS UNLESS OMRON S ANALYSIS CONFIRMS THAT TH...

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