Some key features of the AB Safety Relay 440R-N23132 include:

Safety Inputs: It has 8 safety inputs that can be used to monitor safety devices such as emergency stop buttons, safety switches, light curtains, and interlock switches.

Output Channels: It has 2 dual-channel safety output channels that can be used to control safety devices or machinery.

Diagnostic LEDs: The safety relay is equipped with diagnostic LEDs that provide visual indication of various conditions such as power status, input status, and output status. This helps in troubleshooting and monitoring the system.

Configuration Options: The 440R-N23132 offers several configuration options, including input device emulation, so you can simulate inputs during testing or troubleshooting.