RS Better World
Siemens 3RW Soft Starter 480V ac, 37 kW, 3 Phase, IP20
- RS Stock No.:
- 275-922
- Mfr. Part No.:
- 3RW4038-2BB04
- Brand:
- Siemens
Subtotal (1 unit)*
£862.80
(exc. VAT)
£1,035.36
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 22 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £862.80 |
*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.:
- 275-922
- Mfr. Part No.:
- 3RW4038-2BB04
- 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 | 37kW | |
| Product Type | Soft Starter | |
| Number of Phases | 3 | |
| Mount Type | Screw and Snap-On | |
| IP Rating | IP20 | |
| Maximum Supply Voltage | 480V ac | |
| Overall Length | 210mm | |
| Maximum Operating Temperature | 60°C | |
| Standards/Approvals | UKCA, REACH, WEEE, RoHS, eClass, ETIM, UNSPSC, CE, IDEA, IEC 60947-2, SCIP, EAC | |
| Overall Width | 168mm | |
| Better World Product | Yes | |
| Series | 3RW | |
| Overall Depth | 198mm | |
| Better World Claim | Concentrated or Compact Solution, Saves Energy | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Power Rating 37kW | ||
Product Type Soft Starter | ||
Number of Phases 3 | ||
Mount Type Screw and Snap-On | ||
IP Rating IP20 | ||
Maximum Supply Voltage 480V ac | ||
Overall Length 210mm | ||
Maximum Operating Temperature 60°C | ||
Standards/Approvals UKCA, REACH, WEEE, RoHS, eClass, ETIM, UNSPSC, CE, IDEA, IEC 60947-2, SCIP, EAC | ||
Overall Width 168mm | ||
Better World Product Yes | ||
Series 3RW | ||
Overall Depth 198mm | ||
Better World Claim Concentrated or Compact Solution, Saves Energy | ||
- COO (Country of Origin):
- CZ
The Siemens Soft Starter is designed to ensure optimal motor performance while reducing wear and tear during start-up phases. Engineered specifically for 3 phase motors, it utilises an integrated bypass contact system that ensures energy efficiency and minimises power loss. Operating effectively within a wide voltage range, this device provides robust motor overload protection and adjustable current limitation features.
Comprehensive motor overload protection
Adjustable current limitation
Standard frequency range of 50 to 60 Hz
Robust protection class
User friendly control circuit
Versatile terminal connections
Optimised for temperature extremes
Red display for enhanced fault signal visibility
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