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Cat. No. N148-E1-01

Three-phase Voltage Relay

 K8AB-PW

3

Specifications

Ambient operating temperature

20 to 60°C (with no condensation or icing)

Storage temperature

40 to 70°C (with no condensation or icing)

Ambient operating humidity

25% to 85%

Storage humidity

25% to 85%

Altitude

2,000 m max. 

Voltage fluctuation range

85% to 110% of rated input voltage 

Input frequency

50/60 Hz ±5 Hz (AC power supply) 

Output relays

Resistive load

6 A at 250 VAC (cos

 φ 

= 1)

6 A at 30 VDC (L/R = 0 ms)

Inductive load

1 A at 250 VAC (cos

 φ 

= 0.4)

1 A at 30 VDC (L/R = 7 ms)

Minimum load

10 mA at 5 VDC

Maximum contact voltage

250 VAC

Maximum contact current

6 A AC

Maximum switching 
capacity

1,500 VA

Mechanical life

10,000,000 operations

Electrical life

Make: 50,000 times, Break: 30,000 times

Terminal screw tightening torque

1.2 N·m

Crimp terminals

Two solid wires of 2.5 mm

2

, two crimp terminals of 1.5 mm

2

 with insulation sleeves, can be 

tightened together

Insulation resistance

20 M

 (at 500 V) between charged terminals and exposed uncharged 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 material

ABS resin (self-extinguishing resin) UL94-V0

Weight

200 g

Mounting

Mounted to DIN Track or via M4 screws

Dimensions

22.5 (W)  x 90 (H) x 100 (D) mm  

Installation environment

Overvoltage Category III, Pollution Degree 2

Application standards

EN60255-5/-6

Safety standards

EN60664-1

EMC

EMI: EN61326 Industrial applications 
Electromagnetic interference wave 

CISPR11 Group 1, Class A: CISPR16-1/-2

Terminal interference wave voltage 

CISPR11 Group 1, Class A: CISPR16-1/-2 

EMS: EN61326 Industrial applications 
Electrostatic discharge EN61000-4-2: 8 kV (in air)
Radiating radio-frequency electromagnetic field EN61000-4-3: 

10 V/m 1 kHz sine wave amplitude modulation (80 MHz to 1 GHz) 

Burst EN61000-4-4: 

1 kV (I/O signal line), 2 kV (power line)

Surge EN61000-4-5:

1 kV with line (power line), 
2 kV with ground (power line) 

Conducted RF EN61000-4-6:

3 V (0.15 to 80 MHz) 

Power frequency magnetic field immunity
EN61000-4-8: 30 A/m 
Voltage dip/short interruptions 
EN61000-4-11: 0.5 cycle, 0.180° each, polarity 100% (rated voltage) 

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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