3RR2443-1AA40
The Siemens SIRIUS 3RR2443-1AA40 is an S2-size IO-Link current monitoring relay that can be installed on a 3RT2 contactor. It communicates directly with the PLC via IO-Link to monitor the motor's operating current status in real time.
Product Positioning
The 3RR2443-1AA40 is a current monitoring relay in the Siemens SIRIUS series that supports IO-Link communication. It is designed for S2 size motor circuits and can be directly installed on a 3RT2 contactor.
Core Product Advantages and Features
IO-Link digital communication
With a built-in IO-Link interface, current values and operating status can be directly transmitted to the PLC for convenient centralized monitoring and parameter setting.
Directly mounted on the contactor
It can be directly installed on the 3RT2 contactor without requiring additional wiring space, simplifying the configuration of the control box.
Apparent/Effective Current Monitoring
Monitor the apparent current and effective current of the motor, and issue an immediate warning or trip signal when there is an overload or abnormality.
S2 size high current applications
The current specification corresponds to the S2 size contactor, which is suitable for the protection needs of higher power motor circuits.
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