Overview of Siemens 3RV2021-4AA10
Shop genuine Siemens 3RV2021-4AA10 online for your automation system. This industrial-grade motor protection circuit breaker is engineered for reliable performance in demanding environments. Designed for motor protection, the Siemens 3RV2021-4AA10 offers precise overload and short-circuit protection, making it a trusted choice for industrial automation and control panels. With a robust S0 frame, thermal-magnetic trip mechanism, and a rated current range of 10–16 A, this circuit breaker ensures optimal safety and efficiency for motor applications. Its compact design and high switching capacity make it ideal for integration into modern control cabinets, minimizing energy losses and reducing cabinet heating. The Siemens 3RV2021-4AA10 is widely used in factory automation, process control, and production line systems, providing dependable protection for motors up to 11 kW.
Key Features of Siemens 3RV2021-4AA10
- Motor protection circuit breaker with thermal-magnetic trip for overload and short-circuit protection
- Rated current range: 10–16 A, instantaneous overcurrent release at 208 A
- High breaking capacity: up to 100 kA at 240 V, 55 kA at 400 V
- Compact S0 frame size for easy integration into control cabinets
- Optimized bimetal trip units for minimized energy losses and reduced heating
- IP20 protection class for front and terminal
- Suitable for operation in IT systems (IT networks)
- Phase failure detection for enhanced motor protection
- Standard screw connection for reliable wiring
- Wide operating temperature range: -20°C to +60°C
Technical Specs of 3RV2021-4AA10
Explore Siemens 3RV2021-4AA10 technical data for detailed parameters before installation.
| Parameter |
Value |
| Rated Voltage |
690 V AC |
| Rated Current |
10–16 A |
| Instantaneous Trip |
208 A |
| Breaking Capacity (Icu) |
100 kA @ 240 V, 55 kA @ 400 V |
| Frame Size |
S0 |
| Protection Class |
IP20 |
| Operating Temperature |
-20°C to +60°C |
| Power Loss (typical) |
7 W |
Applications / Use Case
This Siemens 3RV2021-4AA10 is commonly used in industrial automation worldwide. It is ideal for protecting motors in factory control panels, production line systems, and machine automation setups. Its robust design and precise protection features make it suitable for a wide range of applications, including conveyor systems, packaging machinery, and process control equipment. The circuit breaker’s compatibility with IT networks and its ability to minimize energy losses further enhance its versatility in modern industrial environments.
Price & Availability
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