The Omron K8DT-VS3TA is a voltage sensing relay that monitors AC or DC voltage in the range of 20 to 600V, with an adjustable trip delay from 0.1 to 30 seconds. The output is a solid-state NPN switch, suitable for sinking to a PLC input or alarm annunciator. Power supply is fixed at 100–240VAC, and the unit mounts on standard DIN rail.
Omron K8DT-VS3TA Voltage Sensing Relay, NPN, 20–600V
MPNK8DT-VS3TA
Active
Omron K8DT series, Voltage Sensing AC/DC relay, K8DT-VS3TA, NPN solid-state output, adjustable trip range 20–600V AC/DC, delay 0.1–30s, 100–240VAC supply, DIN rail mount.
$167.03 – $171.80Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
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Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Series | K8DT |
| Type | Voltage Sensing AC/DC |
| Parameter | Value |
|---|---|
| Supply voltage | 100 ~ 240VAC |
| Parameter | Value |
|---|---|
| Output type | Solid State |
| Parameter | Value |
|---|---|
| Operating temperature | -20°C ~ 60°C |
| Parameter | Value |
|---|---|
| Mounting type | DIN Rail |
| Parameter | Value |
|---|---|
| Circuit | NPN |
| Delay time | 0.1 Sec ~ 30 Sec |
| Trip range | 20 ~ 600V AC/DC |
Product details
Frequently asked questions
What is the trip range of this voltage relay?
The K8DT-VS3TA monitors voltage from 20 to 600V AC/DC, adjustable via a front-panel potentiometer. This covers most industrial control voltage levels up to 480VAC systems.
What is the series name of the K8DT-VS3TA?
It belongs to the Omron K8DT series of monitoring relays, which includes voltage, current, phase, and temperature sensing variants on a common DIN-rail footprint.
MPN
K8DT-VS3TA