MELSEC-QS/WS Series

The concept of safety is shifting from "zero accidents" to "zero risk".

MELSEC Safety provides visualization of safety information, realizes safety control and boosting productivity.
Select the safety control devices most suitable for your system configuration from the diverse lineup of MELSEC Safety devices.

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Safety Programmable Controller
Safety Controller
Safety Relay Module

Safety Programmable Controller

For mid- to large-scale safety control! Achieve flexible programming with branch control using CC-Link IE Field & CC-Link Safety and ladder & function blocks.

Product Features

Safety Controller

For small- to mid-sized safety control! Easily program a safety circuit using only function blocks.

Product Features

Safety Relay Module

For small-scale safety control! Easily add a safety circuit to the MELSEC-Q Series without the need for a program.

Product Features