Better World
Siemens SIRIUS Soft Starter, , 22 kW, 400 → 600 V ac, 3 Phase, IP20
- RS Stock No.:
- 275-852
- Mfr. Part No.:
- 3RW4028-1TB05
- Brand:
- Siemens
Subtotal (1 unit)*
£675.14
(exc. VAT)
£810.17
(inc. VAT)
FREE delivery for orders over £50.00
Temporarily out of stock
- 999,999,999 unit(s) shipping from 17 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £675.14 |
*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.:
- 275-852
- Mfr. Part No.:
- 3RW4028-1TB05
- 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 | |
| Power Rating | 22 kW | |
| Range | SIRIUS | |
| Motor Starter Type | Soft Start | |
| Voltage Rating | 400 → 600 V ac | |
| Phase | 3 | |
| Current Rating | 38 A | |
| IP Rating | IP20 | |
| Better World Claim | Concentrated or compact solution, Saves energy | |
| Better World Product | Yes | |
Select all | ||
|---|---|---|
Brand Siemens | ||
Power Rating 22 kW | ||
Range SIRIUS | ||
Motor Starter Type Soft Start | ||
Voltage Rating 400 → 600 V ac | ||
Phase 3 | ||
Current Rating 38 A | ||
IP Rating IP20 | ||
Better World Claim Concentrated or compact solution, Saves energy | ||
Better World Product Yes | ||
- COO (Country of Origin):
- CZ
The Siemens Soft Starter embodies innovation and efficiency, designed specifically for high performance motor control. Its integrated bypass contact system enhances energy savings while ensuring reliability, making it ideal for both new installations and upgrades. This product is engineered for optimum protection and performance, offering motor overload protection and adjustable current limitation, thereby extending the lifespan of your motor.
Enhances energy efficiency
User configurable current limitation
Operates across a wide voltage range
Advanced motor protection
Compact design for easy installation
Wide temperature range
Flexible mounting options
Advanced thermal management
User configurable current limitation
Operates across a wide voltage range
Advanced motor protection
Compact design for easy installation
Wide temperature range
Flexible mounting options
Advanced thermal management
Related links
- Siemens SIRIUS Soft Starter 22 kW 3 Phase, IP20
- Siemens SIRIUS Soft Starter 7.5 kW 3 Phase, IP20
- Siemens SIRIUS Soft Starter 75 kW 3 Phase, IP20
- Siemens SIRIUS Soft Starter 55 kW 3 Phase, IP20
- Siemens SIRIUS Soft Starter 45 kW 3 Phase, IP20
- Siemens SIRIUS Soft Starter 30 kW 3 Phase, IP20
- Siemens SIRIUS Soft Starter 18.5 kW 3 Phase, IP20
- Siemens SIRIUS Soft Starter 15 kW 3 Phase, IP20

