Better World
Siemens 3RW40 Soft Starter 400V ac, 18.5 kW, 3 Phase
- RS Stock No.:
- 202-1697
- Distrelec Article No.:
- 137-65-984
- Mfr. Part No.:
- 3RW4028-1BB04
- Brand:
- Siemens
Subtotal (1 unit)*
£528.79
(exc. VAT)
£634.55
(inc. VAT)
FREE delivery for orders over £60.00
In Stock
- 9 unit(s) ready to ship
- Plus 5 unit(s) ready to ship from another location
- Plus 3 unit(s) shipping from 14 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £528.79 |
*price indicative
Better World
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- RS Stock No.:
- 202-1697
- Distrelec Article No.:
- 137-65-984
- Mfr. Part No.:
- 3RW4028-1BB04
- 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 | Soft Starter | |
| Power Rating | 18.5kW | |
| Number of Phases | 3 | |
| Mount Type | Chassis Mount | |
| IP Rating | IP00 | |
| Maximum Supply Voltage | 400V ac | |
| Overall Width | 45mm | |
| Standards/Approvals | RCM, ATEX, EAC, CCC, CE, UL, CSA | |
| Better World Product | Yes | |
| Series | 3RW40 | |
| Better World Claim | Concentrated or Compact Solution, Saves Energy | |
| Overall Depth | 155mm | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Soft Starter | ||
Power Rating 18.5kW | ||
Number of Phases 3 | ||
Mount Type Chassis Mount | ||
IP Rating IP00 | ||
Maximum Supply Voltage 400V ac | ||
Overall Width 45mm | ||
Standards/Approvals RCM, ATEX, EAC, CCC, CE, UL, CSA | ||
Better World Product Yes | ||
Series 3RW40 | ||
Better World Claim Concentrated or Compact Solution, Saves Energy | ||
Overall Depth 155mm | ||
- COO (Country of Origin):
- CZ
Siemens Motor Adjustable Soft Starter, 400V AC, 18.5kW - 3RW4 Series - 3RW4028-1BB04
Attach this Siemens soft starter to your equipment to control the stop and start-up process of three-induction motors. It releases current at a moderate pace, making it suitable for use in motors that run on 18.5kW power. The insulation voltage of 600V means it won't overheat even in demanding environments. As the unit works with a maximum cable length of 300m, it's a versatile choice for use in large workspaces. Use it to help start-up all kinds of industrial machinery.
• Screw terminals for direct and secure electrical connection
• Ambient temperature range between -25°C and +60°C for safe use in demanding environments
• Ingress protection (IP) rating of IP20 protects against contact with items up to 12.5mm in size
• Safe to use in hazardous environments
• Motor-overload protection prevents damage from excessive current
How do I adjust the settings of this Siemens soft starter?
You can manually tweak the settings of this component using the four rotary switches in the front of the enclosure. These can adjust the current limitation, overload trip time and reset the unit after use.
Related links
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