MACX MCR-EX-SL-2NAM-RO, Ex i Namur isolating Amplifier, 2-Channel. for Operating Proximity sensors and switches in Ex Areas. The Signals are transmitted via: Amazon.com: Industrial & Scientific
Phoenix Contact - 2865476 - MACX MCR-EX-SL-2NAM-RO Ex-i NAMUR isolating amplifier; 2 channel MCR Series - Allied Electronics & Automation, part of RS Group