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Nomenclature
■ Front
Terminal block
(See notes 1 and 2.)
Power indicator
Relay status indicator
Alarm indicator
Terminal block
(See notes 1 and 2.)
6
Single-phase Voltage Relay
Voltage knob (AL1)
Voltage knob (AL2)
Operating time knob (T)
K8AB-VW
Indicators
Item
Power indicator
Lit when power is being supplied.
(PWR: Green)
Relay status indicator
Lit when relay operates (Not light when both
(RY: Yellow)
AL1 and AL2 are in error status) (Normally
lit)
Alarm indicators
Lit when there is an overvoltage or
(AL1 and AL2: Red)
undervoltage.
The indicator flashes to indicate the error
status after the input has exceeded the
threshold value while the operating time is
being clocked.
Setting Knobs
Item
Voltage knob (AL1)
Used to set the voltage to 10% to 100% of
maximum measuring voltage.
Voltage knob (AL2)
Used to set the voltage to 10% to 100% of
maximum measuring voltage.
Operating time knob (T) Used to set the operating time to 0.1 to 30 s.
Note: 1. Use either a solid wire of 2.5 mm
insulating sleeve for the terminal connection.
The length of the exposed current-carrying part inserted
into the terminal must be 8 mm or less to maintain dielectric
strength after connection.
2
For 2.5 mm
or
smaller solid wires
8 mm max.
Recommended ferrules
Phoenix Contact
• Al 1,5-8BK (for AWG16)
• Al 1-8RD (for AWG18)
• Al 0,75-8GY (for AWG18)
2. Tightening torque
Recommended: 0.49 N·m
Maximum:
0.54 N·m
Meaning
Usage
2
maximum or a ferrule with
For ferrules with
insulating sleeves
8 mm max.
Cat. No. N144-E1-02
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