3RR2442-1AA40
The Siemens SIRIUS 3RR2442-1AA40 is an S0-size IO-Link current monitoring relay with a current setting range of approximately 4~40A. It supports IO-Link communication, making it easy to integrate with PLC systems for monitoring.
Product Positioning
The 3RR2442-1AA40 is a Siemens SIRIUS series S0 size IO-Link current monitoring relay that can be directly installed on a 3RT2 contactor and is suitable for monitoring medium-power motor circuits.
Core Product Advantages and Features
IO-Link communication interface
It supports the IO-Link protocol, allowing current values and status information to be directly uploaded to the control system, reducing the need for additional wiring.
S0 size current range
The current setting range covers approximately 4~40A, which corresponds to the motor circuit protection requirements of S0 size contactors.
Contactor direct installation
It can be directly installed on the 3RT2 contactor, saving installation space inside the control box.
Real-time alerts for abnormalities
It will issue an immediate warning when the current is too high or too low to help prevent motor damage.