2
Single-phase Voltage Relay
K8AB-VS
Cat. No. N143-E1-01
Ordering Information
■
List of Models
Note:
The rated input depends on the connected terminals. Select the terminals suitable for the inputs, and connect the inputs to V1-COM, V2-
COM, and V3-COM.
Ratings and Specifications
■
Ratings
Single-phase Voltage Relay
Measuring voltage
(See note.)
Supply voltage
Model
6 to 60 mV AC/DC,
10 to 100 mV AC/DC,
30 to 300 mV AC/DC
24 VDC
K8AB-VS1 24 VDC
24 VAC
K8AB-VS1 24 VAC
100-115 VAC
K8AB-VS1 100-115 VAC
200-230 VAC
K8AB-VS1 200-230 VAC
1 to 10 V AC/DC,
3 to 30 V AC/DC,
15 to 150 V AC/DC
24 VDC
K8AB-VS2 24 VDC
24 VAC
K8AB-VS2 24 VAC
100-115 VAC
K8AB-VS2 100-115 VAC
200-230 VAC
K8AB-VS2 200-230 VAC
20 to 200 V AC/DC,
30 to 300 V AC/DC,
60 to 600 V AC/DC
24 VDC
K8AB-VS3 24 VDC
24 VAC
K8AB-VS3 24 VAC
100-115 VAC
K8AB-VS3 100-115 VAC
200-230 VAC
K8AB-VS3 200-230 VAC
Operating power Non-isolated power supply
24 VDC (1 W)
Isolated power supply
24 VAC (4 VA), 100 to 115 VAC (4 VA), 200 to 230 VAC (5 VA)
Operate (SV)
Operating value setting
range
10% to 100% of maximum rated input value
Operating value
100% operation at set value
Reset (HYS.)
Hysteresis
5% to 50% of operating value
Resetting method
Manual reset/automatic reset (switchable)
Manual reset: Turn OFF operating power for 1 s or longer.
Operating time (T)
0.1 to 30 s (Value when input rapidly changes from 0% to 120%.)
Power ON lock (LOCK)
1 s or 5 s error
±
0.5 s (Value when input rapidly changes from 0% to 100%. The operating time
is the shortest at this point.)
Setting accuracy
±10% of full scale
Time error
±10% of set value (Minimum error: 50 ms)
Input frequency
40 to 500 Hz
Input impedance
K8AB-VS1: 9 k
Ω
min.
K8AB-VS2: 100 k
Ω
min.
K8AB-VS3: 1 M
Ω
min.
Indicators
LED Power (PWR): Green LED, Relay output (RY): Yellow LED, Alarm output (ALM): Red LED
Output relays
One SPDT relay (6 A at 250 VAC, resistive load)