Overview
The Siemens 3RT2023-1AH00 is a premium power contactor designed for industrial and commercial electrical applications. Engineered for reliable switching of electric motors and loads up to 4 kW at 400 V, this 3-pole contactor combines durability, efficiency, and safety. Its compact size (S0) and screw terminal connections make installation straightforward, while the auxiliary contacts (1 NO + 1 NC) provide versatile control and signaling options.
Key Benefit
-
Reliable Performance: AC-3e/AC-3 rated for heavy-duty switching up to 9 A and 4 kW / 400 V.
-
Versatile Control: Equipped with 1 NO + 1 NC auxiliary contacts for flexible operation.
-
Durable Construction: High-quality Siemens engineering ensures long-lasting and maintenance-free use.
-
Compact & Easy to Install: Size S0 and screw terminal connections simplify integration in panels or machines.
-
Energy Efficient: Designed to minimize energy loss while providing consistent switching performance.
Function
The Siemens 3RT2023-1AH00 acts as an electromagnetic switch to control electrical power circuits, typically used for:
-
Starting and stopping AC motors
-
Switching resistive or inductive loads
-
Integration with control systems for automation purposes
Technical Specification
-
Model Number: 3RT2023-1AH00
-
Type: Power Contactor
-
Current Rating: 9 A
-
Power Handling: 4 kW / 400 V
-
Poles: 3-pole
-
Coil Voltage: 48 V AC, 50 Hz
-
Auxiliary Contacts: 1 NO + 1 NC
-
Terminal Type: Screw Terminal
-
Size: S0
-
Standards Compliance: AC-3e / AC-3
For more information on the Siemens SIRIUS line or to view our full catalog of industrial automation components, visit turll today!











