RS Better World
Siemens SIRIUS 3RV2 Electronic Circuit Breaker 28A 20V, 3 channels, DIN Rail Spring-Loaded
- RS Stock No.:
- 160-712
- Mfr. Part No.:
- 3RV2321-4NC20
- Manufacturer:
- Siemens
Subtotal (1 unit)*
HK$3,537.60
FREE delivery for orders over HK$250.00
Stocked by manufacturer
- Ready to ship from 29 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | HK$3,537.60 |
*price indicative
Our Better World range features products that make it easy for you to make a greener product choice you can trust.
- RS Stock No.:
- 160-712
- Mfr. Part No.:
- 3RV2321-4NC20
- Manufacturer:
- Siemens
Specifications
Product overview and Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Range | SIRIUS | |
| Product Type | Electronic Circuit Breaker | |
| Series | 3RV2 | |
| Number of Channels | 3 | |
| Current Rating | 28A | |
| Voltage | 20V | |
| Breaking Capacity | 4kA | |
| Mount Type | DIN Rail | |
| Tripping Characteristics | Spring-Loaded | |
| Length | 97mm | |
| Terminal Type | Type A | |
| Width | 45mm | |
| Depth | 119mm | |
| Standards/Approvals | CCC, CE, EAC, UKCA, UL | |
| Better World Product | Yes | |
| Better World Claim | Extended Product Life, Low Carbon Manufacture | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Range SIRIUS | ||
Product Type Electronic Circuit Breaker | ||
Series 3RV2 | ||
Number of Channels 3 | ||
Current Rating 28A | ||
Voltage 20V | ||
Breaking Capacity 4kA | ||
Mount Type DIN Rail | ||
Tripping Characteristics Spring-Loaded | ||
Length 97mm | ||
Terminal Type Type A | ||
Width 45mm | ||
Depth 119mm | ||
Standards/Approvals CCC, CE, EAC, UKCA, UL | ||
Better World Product Yes | ||
Better World Claim Extended Product Life, Low Carbon Manufacture | ||
- COO (Country of Origin):
- DE
The Siemens circuit breaker is engineered for reliable protection and optimal performance in starter combinations, accommodating a rated current of 28 A. This compact device integrates sophisticated technologies to ensure both safety and efficiency, featuring a robust design suitable for various environmental conditions. With a mechanical service life of 100, 000 operating cycles, it guarantees longevity while maintaining exceptional performance under diverse operating voltages and frequencies. Its user-friendly installation on a 35 mm DIN rail enhances versatility, making it an ideal choice for a range of industrial applications. The product adheres to stringent international standards, ensuring compliance and reliability in safety-critical operations.
Short-circuit protection for operational safety
Wide temperature range for flexibility
IP20 protection for enhanced industrial safety
Spring-loaded terminals for secure connections
Fast response to short-circuit conditions
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