Omron K8AK-VW3 Manual page 2

Single-phase overvoltage / undervoltage relay
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K8AK-VW
Ratings
Power supply
Isolated power supply
voltage
Power consumption
Operating value setting range (AL1 and AL2)
Operating value
Reset value
Reset method
Operating time setting range (T)
Power ON lock time (LOCK)
Indicators
Input impedance
Output relays
Output relay ratings
Ambient operating temperature
Storage temperature
Ambient operating humidity
Storage humidity
Altitude
Terminal screw tightening torque
Terminal wiring method
Case color
Case material
Weight
Mounting
Dimensions
2
24 VAC/DC
100 to 240 VAC
24 VAC/DC: 2.0 VA/1.1 W max.
100 to 240 VAC: 4.6 VA max.
10% to 100% of the maximum value of the setting range
K8AK-VW2: 1 to 10 V AC/DC
3 to 30 V AC/DC
15 to 150 V AC/DC
K8AK-VW3: 20 to 200 V AC/DC
30 to 300 V AC/DC
60 to 600 V AC/DC
100% operation at set value
5% of operating value (fixed)
Manual reset/automatic reset (switchable)
Note: Manual reset: Turn OFF power supply for 1 s or longer.
0.1 to 30 s
1 s or 5 s (Switched using DIP switch.)
Power (PWR): Green, Relay output (RY): Yellow, Alarm outputs (AL1, AL2): Red
Refer to Input Range on previous page.
Two SPDT relays (NC operation)
Rated load
Resistive 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 30 VDC: 50,000 operations
3 A at 250 VAC or 30 VDC: 100,000 operations
−20 to 60°C (with no condensation or icing)
−25 to 65°C (with no condensation or icing)
25% to 85% (with no condensation)
25% to 85% (with no condensation)
2,000 m max.
0.49 to 0.59 N·m
Recommended wire
2
Solid wire: 2.5 mm
Twisted wires: AWG16, AWG18
Note: 1. Ferrules with insulating sleeves must be used with twisted wires.
2. Two wires can be twisted together.
Recommended ferrules
Al 1,5-8BK (for AWG16) manufactured by Phoenix Contact
Al 1-8RD (for AWG18) manufactured by Phoenix Contact
Al 0,75-8GY (for AWG18) manufactured by Phoenix Contact
N1.5
PC and ABS, UL 94 V-0
Approx. 150 g
Mounts to DIN Track.
22.5 × 90 × 100 mm
(W×H×D)

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