Overview
The Siemens 3RT2038-1AC20 is a high-performance power contactor engineered for reliable switching of motors and other electrical loads. This robust 3-pole contactor is rated for AC-3e/AC-3 applications, handling a maximum current of 80 A and a power output of 37 kW at 400 V.
Its compact S2 size makes it an ideal component for a wide range of industrial control panels and automation systems. The integrated 1 NO + 1 NC auxiliary contacts provide additional functionality for signaling and interlocking circuits, while the durable screw terminals ensure a secure and straightforward connection.
Key Features & Benefit
- High Performance: Capable of handling demanding AC-3e/AC-3 applications with a rated current of 80 A and a power rating of 37 kW at 400 V, ensuring reliable motor control.
- Space-Saving Design: The compact S2 size allows for efficient use of space within control cabinets.
- Versatile Auxiliary Contacts: Includes one normally open (NO) and one normally closed (NC) auxiliary contact, providing flexibility for feedback and control circuits.
- Secure & Easy Installation: Features reliable screw terminals for a fast, secure, and maintenance-friendly connection.
- Efficient Operation: Powered by a 24 V AC, 50/60 Hz coil, offering energy-efficient operation and compatibility with standard control voltages.
- Built to Last: As part of the Siemens SIRIUS series, this contactor is built with high-quality materials to ensure long-term reliability and durability in harsh industrial environments.
- Standardized Compatibility: Conforms to global standards, making it easy to integrate into existing systems and new designs.
Technical Specification
- Product Type: Power Contactor
- Product Number: 3RT2038-1AC20
- Rated Current: 80 A (for AC-3e/AC-3 applications)
- Rated Power: 37 kW at 400 V
- Number of Poles: 3-pole
- Control Voltage: 24 V AC, 50/60 Hz
- Auxiliary Contacts: 1 NO + 1 NC
- Terminal Type: Screw Terminal
- Frame Size: S2
- Standards: IEC, UL, CSA, etc. (Please verify with product datasheet for specific certifications)
Application
- Motor control for pumps, fans, conveyors, and compressors.
- Switching of resistive loads, such as heating elements.
- Integration into industrial machinery and control panels.
- Use in building automation and HVAC systems.
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