TRICONEX 3721

Based on the search results, here are some key aspects:

• Analog Input: It processes analog input signals from field devices.
• Safety Instrumented System (SIS): Designed for use in critical safety applications.  
• Triple Modular Redundancy (TMR): Typically used in TMR systems for high availability.
• It is a differential Analog Input Module.  
• To get very specific technical data, it is best to review Schneider Electric’s official documentation.
• It is part of the Tricon system.

Where to Find Detailed Specifications:

• The most reliable source for detailed specifications is the official Schneider Electric website or by contacting Schneider Electric customer support.
• Industrial automation vendors and suppliers are also a very good resource.