3RF2120-1AA22
3RF2120-1AA22
Manufacturer: SIEMENS
Condition: New and Unused, Surplus.
Overview of Siemens 3RF2120-1AA22
Buy genuine Siemens 3RF2120-1AA22 online for your automation system. This industrial-grade 1-phase solid-state relay from Siemens’ SIRIUS series ensures reliable switching and long-term durability in demanding industrial environments. Designed for controlling loads with voltages ranging from 24 to 230 V AC, it features a control voltage range of 110 to 230 V AC. Its compact width of 22.5 mm and screw terminal mounting enable easy installation on available cooling surfaces. The 3RF2120-1AA22 solid-state relay supports zero point switching, minimizing electrical noise and enhancing system performance. With a maximum switching current of 20 A, it suits a wide array of industrial automation tasks requiring efficient power control and high switching frequency.
Key Features of Siemens 3RF2120-1AA22
- 1-phase semiconductor solid state relay for industrial applications
- Control voltage: 110-230 V AC, suitable for versatile control circuits
- Maximum operating current of 20 A at 24-230 V AC load voltage
- Zero point switching technology reduces electrical noise and wear
- Compact design with 22.5 mm width for space-efficient installations
- Screw terminal connection for secure and stable mounting
- Designed for mounting on cooling surfaces for thermal management
- Compatible with SIRIUS 3RF2 series components and systems
Technical Specs of 3RF2120-1AA22
Explore Siemens 3RF2120-1AA22 specifications for detailed parameters.
| Specification | Details |
|---|---|
| Product Type | 1-Phase Solid State Relay |
| Control Voltage | 110-230 V AC |
| Load Voltage | 24-230 V AC |
| Maximum Current | 20 A |
| Mounting | Screw terminals, cooling surface |
| Width | 22.5 mm |
| Switching Type | Zero point switching |
Applications / Use Case
This Siemens 3RF2120-1AA22 is commonly used in industrial automation worldwide. It is well suited for controlling resistive and inductive loads such as heaters, pumps, and fans in production line systems and factory control panels. Its robust design supports reliable switching under frequent load cycles, making it ideal for process control and machine automation environments where maintenance-free operation is desired.
Price & Availability
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