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Setting Method
Setting Voltage
The voltage knob (SV) 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: K8DT-VS3 Using Input Terminal V3-COM
The maximum setting range will be 600 VAC/VDC and the setting range will be 60 to 600 V.
Hysteresis
Hysteresis is set using the hysteresis knob (HYS)
The setting range is 5 to 50% of the operating value.
Example: Maximum Setting of 600 VAC/VDC, Voltage Set Value (SV) of 50%, and Overvoltage Operation
Operation will be at 300 V and resetting at 270 V when the hysteresis (HYS) is set to 10%.
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.
If the input voltage exceeds (or drops lower than) the voltage set value, the alarm indicator will start flashing for the set period and then stay lit.
Dimensions
Single-phase Voltage Relays
K8AK-VS2
K8AK-VS3
Options (Order Separately)
Front Cover
Y92A-D1A
Optional Parts for DIN Track Mounting
DIN Tracks
PFP-100N
PFP-50N
17.5
1.8
52.7
3.5
17.5
5.85
4.5
15
25
25
25
10
1000(500)*
* Dimensions in parentheses are for the PFP-50N.
100
90
86
5
90
7.3
±0.15
35
27
±0.3
±0.15
25
15(5)*
1
10
K8DT-VS
(Unit: mm)
7
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