Siemens 2.2 → 3.2 A SIRIUS 3RV Motor Protection Circuit Breaker
- RS Stock No.:
- 203-3957
- Mfr. Part No.:
- 3RV2021-1DA15
- Brand:
- Siemens
Subtotal (1 unit)*
£81.67
(exc. VAT)
£98.00
(inc. VAT)
FREE delivery for orders over £50.00
- Plus 6 unit(s) shipping from 17 November 2025
- Plus 6 unit(s) shipping from 17 November 2025
Units | Per unit |
|---|---|
| 1 + | £81.67 |
*price indicative
Better World
Our Better World range features products that make it easy for you to make a greener product choice you can trust. Click here to find out more.
- RS Stock No.:
- 203-3957
- Mfr. Part No.:
- 3RV2021-1DA15
- Brand:
- Siemens
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Current Rating | 2.2 → 3.2 A | |
| Range | SIRIUS 3RV | |
| Motor Protection Component | Circuit Breaker | |
| Series | 3RV2 | |
| Sensing Type | Current | |
| Overall Length | 45mm | |
| Overall Width | 97mm | |
| Overall Depth | 97mm | |
| Minimum Operating Temperature | -20°C | |
| Voltage Rating | 20 → 690 V | |
| Maximum Operating Temperature | +60°C | |
| Breaking Capacity | 100 kA | |
| Better World Claim | Extended product life, Low carbon manufacture | |
| Better World Product | Yes | |
| Number of Poles | 3 | |
| Terminal Type | Screw | |
| Size | S0 | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Current Rating 2.2 → 3.2 A | ||
Range SIRIUS 3RV | ||
Motor Protection Component Circuit Breaker | ||
Series 3RV2 | ||
Sensing Type Current | ||
Overall Length 45mm | ||
Overall Width 97mm | ||
Overall Depth 97mm | ||
Minimum Operating Temperature -20°C | ||
Voltage Rating 20 → 690 V | ||
Maximum Operating Temperature +60°C | ||
Breaking Capacity 100 kA | ||
Better World Claim Extended product life, Low carbon manufacture | ||
Better World Product Yes | ||
Number of Poles 3 | ||
Terminal Type Screw | ||
Size S0 | ||
- COO (Country of Origin):
- DE
Siemens 3RV2 Series Motor Protection Circuit Breaker, 2.2 to 3.2 A Current Rating - 3RV2021-1DA15
Features & Benefits
• Thermal overload release for accurate protection
• Standard switching capability with auxiliary contacts
• Energy-saving motor protection to reduce costs
• Designed for straightforward installation on 35mm DIN rails
• Robust construction for extended product life
Applications
• Compatible with three-phase motors to minimise fault risks
• Suitable for quick and reliable motor shutdown scenarios
• Employed in industrial machinery needing overload protection
• Appropriate for integration within complex automation systems
How does it ensure protection against short circuits?
What is required for installation to a DIN rail?
Can it withstand extreme temperatures?
What are the recommended conductor sizes for connections?
What maintenance is required for optimal performance?
Related links
- Siemens 2.2 → 3.2 A SIRIUS 3RV Motor Protection Circuit Breaker, 690 V
- Siemens 2.2 → 3.2 A SIRIUS 3RV Motor Protection Circuit Breaker
- Siemens 3.2 A SIRIUS 3RV Motor Protection Circuit Breaker
- Siemens 4.0 A SIRIUS 3RV Motor Protection Circuit Breaker, 690 V
- Siemens 11 → 16 A SIRIUS 3RV Motor Protection Circuit Breaker
- Siemens 4.5 → 6.3 A SIRIUS 3RV Motor Protection Circuit Breaker
- Siemens 2.8 → 4 A SIRIUS 3RV Motor Protection Circuit Breaker
- Siemens 7 → 10 A SIRIUS 3RV Motor Protection Circuit Breaker

