Better World
Siemens SIRIUS 3RV Miniature Circuit Breaker, 3-Pole, 20 A, 25 V ac AC, 100 kA Breaking Capacity
- RS Stock No.:
- 156-511
- Mfr. Part No.:
- 3RV2421-4BA10-0BA0
- Brand:
- Siemens
Subtotal (1 unit)*
£112.46
(exc. VAT)
£134.95
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- Plus 2 unit(s) shipping from 09 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £112.46 |
*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.:
- 156-511
- Mfr. Part No.:
- 3RV2421-4BA10-0BA0
- 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 | |
| Product Type | Miniature Circuit Breaker | |
| Number of Poles | 3 | |
| Current Rating | 20 A | |
| Rated AC Voltage | 25 V ac | |
| Breaking Capacity | 100kA | |
| Range | SIRIUS | |
| Series | 3RV | |
| Terminal Type | Screw | |
| Depth | 97mm | |
| Height | 97mm | |
| Width | 45 mm | |
| Better World Product | Yes | |
| Better World Claim | Extended Product Life, Low Carbon Manufacture | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Miniature Circuit Breaker | ||
Number of Poles 3 | ||
Current Rating 20 A | ||
Rated AC Voltage 25 V ac | ||
Breaking Capacity 100kA | ||
Range SIRIUS | ||
Series 3RV | ||
Terminal Type Screw | ||
Depth 97mm | ||
Height 97mm | ||
Width 45 mm | ||
Better World Product Yes | ||
Better World Claim Extended Product Life, Low Carbon Manufacture | ||
- COO (Country of Origin):
- DE
The Siemens Circuit Breaker is an essential component for transformer protection, designed to operate efficiently within an ambient temperature range from -50 °C to +60 °C. Featuring a robust design for high reliability, it ensures continuous operation under various conditions. With an exceptional switching capacity, it is capable of handling substantial operational demands. The circuit breaker is tailored for easy installation on a standard DIN rail and allows for flexible mounting positions.
Optimized for transformer protection
Compact for versatile mounting
Enhanced thermal overload release
Secure mounting mechanism
High electrical endurance for frequent cycling
Advanced short circuit protection
High environmental resilience
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