Better World
Siemens 14 → 20 A SIRIUS 3RV Motor Protection Circuit Breaker
- RS Stock No.:
- 706-1853
- Distrelec Article No.:
- 136-23-099
- Mfr. Part No.:
- 3RV2021-4BA10
- Brand:
- Siemens
Subtotal (1 unit)*
£77.65
(exc. VAT)
£93.18
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- Plus 13 unit(s) shipping from 22 October 2025
- Plus 131 unit(s) shipping from 22 October 2025
- Plus 22 unit(s) shipping from 31 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £77.65 |
*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.:
- 706-1853
- Distrelec Article No.:
- 136-23-099
- Mfr. Part No.:
- 3RV2021-4BA10
- 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 | |
| Current Rating | 14 → 20 A | |
| Range | SIRIUS 3RV | |
| Motor Protection Component | Circuit Breaker | |
| Series | 3RV2 | |
| Overall Length | 97mm | |
| Overall Width | 45mm | |
| Overall Depth | 91mm | |
| Better World Product | Yes | |
| Better World Claim | Extended product life, Low carbon manufacture | |
Select all | ||
|---|---|---|
Brand Siemens | ||
Current Rating 14 → 20 A | ||
Range SIRIUS 3RV | ||
Motor Protection Component Circuit Breaker | ||
Series 3RV2 | ||
Overall Length 97mm | ||
Overall Width 45mm | ||
Overall Depth 91mm | ||
Better World Product Yes | ||
Better World Claim Extended product life, Low carbon manufacture | ||
- Switching Devices for Load Feeders
- Datasheet_3RV2021-4BA10
- Sirius Innovation Accessory Guide
- Sirius Innovation Catalogue
- Sirius Innovations Switching Devices
- Solutions for frequent switching or soft starting
- Basic Information
- Siemens Sirius Migration
- Environmental Product Declaration - Overview
- Siemens EcoTech label
- Siemens EcoTec Profile
- Environmental Product Declaration
- COO (Country of Origin):
- DE
Siemens Motor Protection Circuit Breaker, 3 Poles, 20A Current Rating - SIRIUS Innovation 3RV2 Series - 3RV2021-4BA10
Enhance safety in your industrial workplace with this motor protection circuit breaker (MPCB) from Siemens. It immediately switches off your system if a fault is detected, protecting you from injury and preventing damage to your machinery. The unit is suitable for use in hot and cold industrial environments thanks to its wide operating temperature range of -20°C to +60°C. You'll find MPCBs like this one commonly used with applications such as conveyor belts and lighting systems.
• Compact dimensions of 97 (height) x 45 (width) x 96mm (depth) take up minimal space
• IP20 (ingress protection) rating means it's finger-safe and protected against objects larger than 12mm in size
• Designed for DIN rail mounting using screws or snap-in technology for quick and simple installation
• Operating voltage of 690V for use in high-voltage applications
• Surge voltage resistance rating of 6kV to withstand powerful surges
• IP20 (ingress protection) rating means it's finger-safe and protected against objects larger than 12mm in size
• Designed for DIN rail mounting using screws or snap-in technology for quick and simple installation
• Operating voltage of 690V for use in high-voltage applications
• Surge voltage resistance rating of 6kV to withstand powerful surges
How long will this MPCB last?
This MPCB has a robust electrical and mechanical lifespan of 100,000 switching cycles, so it will last a long time.
