Overview of Siemens 3RF2090-1AA02
Shop genuine Siemens 3RF2090-1AA02 semiconductor solid-state relay online today for your automation system with worldwide delivery. This 1-phase industrial-grade solid-state relay is engineered for zero-point switching applications in demanding factory control environments. The Siemens 3RF2090-1AA02 delivers reliable performance with a 90 A rated operational current capacity and operates across 24–230 V AC input voltage ranges. Built to industrial standards with IP20 protection rating and shock resistance to 15g, this relay integrates seamlessly into production line systems, packaging equipment, and conveyor operations. The compact 45 mm width design fits standard DIN rail mounting on cooling frames, making it ideal for space-constrained control panels. Factory-tested and backed by Siemens engineering excellence, this semiconductor relay is a trusted choice for OEMs and system integrators worldwide.
Key Features of Siemens 3RF2090-1AA02
- 90 A maximum operational current with AC-51 rated capacity of 50 A
- 24–230 V AC switched voltage range with 15–24 V DC control voltage
- Zero-point switching eliminates voltage spikes and extends component life
- Compact 45 mm DIN rail width for space-efficient panel layouts
- 600 V insulation voltage rating for enhanced electrical safety
- IP20 protection class suitable for indoor industrial environments
- Low standby power consumption of 0.4 W without load current
- Screw terminal connections for secure, tool-free wiring
- Operating frequency: 50–60 Hz with ±10% symmetrical tolerance
- Temperature range: −25 to +60°C operation, −55 to +80°C storage
Technical Specs of Siemens 3RF2090-1AA02
Review Siemens 3RF2090-1AA02 specifications and technical data covering voltage, current, and communication parameters before installation to ensure system compatibility.
| Parameter |
Value |
| Product Type |
1-Phase Semiconductor Relay (3RF2 Series) |
| Max Operating Current |
90 A |
| Rated Current (AC-51) |
50 A |
| Switched Voltage |
24–230 V AC |
| Control Voltage |
15–24 V DC |
| Operating Frequency |
50–60 Hz |
| Power Loss @ Rated Current |
118 W |
| Insulation Voltage |
600 V |
| Protection Class |
IP20 |
| Physical Width |
45 mm (DIN Rail) |
| Operating Temperature |
−25 to +60°C |
| Storage Temperature |
−55 to +80°C |
Applications / Use Case
This Siemens 3RF2090-1AA02 is commonly used in industrial automation, process control, machine automation, production line systems, and packaging and conveyor operations worldwide. The zero-point switching capability makes it ideal for protecting sensitive motor circuits and heater loads from inrush currents and transient voltage spikes. Factory control panels benefit from its compact footprint and reliable semiconductor design, which eliminates mechanical wear associated with traditional electromechanical relays. Motion control setups in automotive assembly lines, textile machinery, and food processing equipment rely on this relay for safe, repeatable load switching. Installation on available cooling frames ensures thermal management during continuous operation, extending component lifespan in harsh factory environments.
Price & Availability
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