Switching Amplifier Turck MS1-22Ex0-R

Switching Amplifier Turck MS1-22Ex0-R

Product Description

The Turck MS1-22Ex0-R is a 2-channel isolating switching amplifier (intrinsic safety barrier) from the multi-safe® series, designed for the secure transmission of binary signals from hazardous areas to safe areas. The device provides complete galvanic isolation between the input circuits, output circuits, and the power supply. The front panel features yellow LED indicators that display the current switching status of each channel. Known for its high reliability and strict compliance with explosion protection standards, this module is an essential component for industrial automation and safety systems.

Specifications

• Manufacturer: Turck (Germany)

• Device Series: multi-safe®

• Model: MS1-22Ex0-R

• Number of Channels: 2 channels

• Supply Voltage: 20–28 VDC with a ripple of less than 10%

• Control Circuits (Inputs): Compliant with DIN 19234 (NAMUR), parameters 8 V, 8 mA

• Relay Outputs: AC up to 250 V, current up to 4 A, cos phi from 0.7; DC up to 60 V, current up to 0.5 A

• Explosion Protection Type: Intrinsically safe circuit [EEx ia] IIC / I according to BVS and other certificates (PTB, FM, CSA)

• Operating Temperature: -25 to +65 °C

• Mounting: DIN-rail or screw mounting

Application

This module is widely used in automation systems within the chemical, oil and gas, pharmaceutical, and processing industries where technological processes occur in explosive environments. It connects to NAMUR standard sensors (such as inductive or capacitive proximity switches) or dry mechanical contacts located in the hazardous zone, isolating and safely transferring the signal to programmable logic controllers (PLCs), alarm units, or control relays in the safe zone.