Better World
Siemens SIRIUS Electronic Circuit Breaker 20A 3RV2, 3 channels , DIN Rail Mount
- RS Stock No.:
- 160-242
- Mfr. Part No.:
- 3RV2821-4BD10
- Brand:
- Siemens
Subtotal (1 unit)*
£176.06
(exc. VAT)
£211.27
(inc. VAT)
FREE delivery for orders over £50.00
Temporarily out of stock
- Shipping from 10 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £176.06 |
*price indicative
Better World
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- RS Stock No.:
- 160-242
- Mfr. Part No.:
- 3RV2821-4BD10
- Brand:
- Siemens
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Range | SIRIUS | |
| Series | 3RV2 | |
| Number of Channels | 3 | |
| Current Rating | 20A | |
| Breaking Capacity at Maximum Voltage Rating | 4 kA | |
| Mounting Style | DIN Rail Mount | |
| Better World Claim | Extended product life, Low carbon manufacture | |
| Better World Product | Yes | |
Select all | ||
|---|---|---|
Brand Siemens | ||
Range SIRIUS | ||
Series 3RV2 | ||
Number of Channels 3 | ||
Current Rating 20A | ||
Breaking Capacity at Maximum Voltage Rating 4 kA | ||
Mounting Style DIN Rail Mount | ||
Better World Claim Extended product life, Low carbon manufacture | ||
Better World Product Yes | ||
- COO (Country of Origin):
- DE
The Siemens Circuit Breaker offers robust protection for transformers, featuring a compact size adaptable to various installation environments. Specifically designed to meet UL 489 and CSA C22.2 No.5 standards, it ensures reliable operation under demanding conditions. Its thermal overload release function and impressive breaking capacity make it ideal for safeguarding electrical circuits against short circuits. With a product extension for an auxiliary switch and a wide ambient temperature operational range it stands out for its versatility and efficiency.
Operates effectively in a broad temperature range, from 20°C to +60°C
Mechanically resilient with a service life extending up to 100,000 cycles
Compact size allows for flexible installation in various environments
Screw type terminal connections provide secure and easy installation
Complies with international safety standards for peace of mind
Mechanically resilient with a service life extending up to 100,000 cycles
Compact size allows for flexible installation in various environments
Screw type terminal connections provide secure and easy installation
Complies with international safety standards for peace of mind