Description
The Siemens SIRIUS 3RV2021-4AA10 is a motor protection circuit breaker designed for industrial motor control applications. This compact device combines short-circuit and overload protection in a single unit, providing reliable protection for motors up to 21A. With its thermal-magnetic trip mechanism, this circuit breaker offers precise motor protection with adjustable overload settings. The compact design and DIN rail mounting make it ideal for space-constrained control panels. Featuring screw terminals for secure connections and a manual ON/OFF switch, this motor protection circuit breaker is suitable for a wide range of industrial applications including machine tools, conveyor systems, and material handling equipment.
Key Features
- Motor Protection Circuit Breaker with thermal-magnetic trip
- Rated current: 21A
- Short-circuit and overload protection
- Adjustable overload setting
- Manual ON/OFF switch
- Screw terminals for secure connections
- Compact design for space-saving installation
- DIN rail mounting
- Country of origin: Germany
Technical Specifications
- Rated Current: 21A
- Rated Operational Voltage: Up to 690V AC
- Number of Poles: 3 poles
- Trip Mechanism: Thermal-magnetic
- Connection Type: Screw terminals
- Mounting: DIN rail
- Protection Degree: IP20
- Operating Temperature: -20°C to +60°C
- Mechanical Life: Up to 20,000 operations
- Weight: approx. 0.35 kg
- Standards: IEC 60947-2, RoHS compliant
Warranty & After-Sales
- Factory new units: 12 months warranty
- Refurbished units: 3-6 months warranty
- Technical support for configuration and integration
- Wiring and installation assistance
- Compatibility verification with existing systems
- Commissioning and diagnostics support available
Delivery Time
- Standard delivery: 3-5 working days
- Express shipping available upon request
Why Choose Our Store
- Genuine Siemens SIRIUS components
- Global supply network with competitive pricing
- Expertise in industrial automation systems
- Comprehensive technical documentation
- Responsive customer service and support
Applications
- Motor protection in machine tools
- Conveyor belt systems
- Pump and compressor control
- Material handling equipment
- Industrial automation systems
- Building automation
- Process control applications
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