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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.)
●Indicators
Power indicator
(PWR: Green)
Relay status indicator
(RY: Yellow)
Voltage knob (AL1)
Alarm indicators
(AL1 and AL2: Red)
Voltage knob (AL2)
Operating time knob (T)
●Setting Knobs
Voltage knob (AL1)
Voltage knob (AL2)
Operating time knob (T)
Note: 1. Use either a solid wire of 2.5 mm
Item
Lit when power is being supplied.
Lit when relay operates (Not light when
both AL1 and AL2 are in error status) (Nor-
mally lit)
Lit when there is an overvoltage or under-
voltage.
The indicator flashes to indicate the error
status after the input has exceeded the set
value while the operating time is being
clocked.
Item
Used to set the voltage to 10% to 100% of
maximum setting range.
Used to set the voltage to 10% to 100% of
maximum setting range.
Used to set the operating time to 0.1 to 30
s.
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
For ferrules with
smaller solid wires
an insulation sleeve.
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. Screw tightening torque: 0.49 to 0.59 N·m
K8AK-VW
Meaning
Usage
2
maximum or a ferrule with
8 mm max.
5
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