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Setting Method
●Setting Voltage
The voltage knob (AL1 and AL2) is used to set the voltage.
The voltage can be set to 10% to 100% of the maximum setting
range.
Turn the knob while there is an input to the input terminals until the
alarm indicator flashes (when the set value and the input have
reached the same level.)
Use this as a guide to set the voltage.
The maximum setting range will differ depending on the model and
the input terminal.
Example: K8AK-VW3 Using Input Terminal V3-COM
The maximum setting range will be 600 VAC/VDC and the setting
range will be 60 to 600 V.
Dimensions
Single-phase Overvoltage/Undervoltage Relays
K8AK-VW2
K8AK-VW3
Optional Parts for DIN Track Mounting
●DIN Tracks
PFP-100N
PFP-50N
●Operating Time
The operating time is set using the operating time knob (T).
The operating time can be set to between 0.1 and 30 s.
Turn the knob while there is an input to the input terminals until the
alarm indicator flashes (when the set value and the input have
reached the same level.)
Use this as a guide to set the operating time.
If the input exceeds (or drops lower than) the voltage set value, the
alarm indicator will start flashing for the set period and then stay lit.
22.5
4.5
15
25
25
25
10
1,000 (500)*
*Dimensions in parentheses are for the PFP-50N.
100
90
72
5
7.3
±0.15
35
27
±0.3
±0.15
25
15 (5)*
1
10
K8AK-VW
(Unit: mm)
7
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