Better World
Siemens SIRIUS 3RW Soft Starter, , 55 kW, 480 V ac, 3 Phase
- RS Stock No.:
- 420-479
- Distrelec Article No.:
- 300-55-780
- Mfr. Part No.:
- 3RW4047-1BB14
- Brand:
- Siemens
Subtotal (1 unit)*
£1,011.88
(exc. VAT)
£1,214.26
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- Plus 4 unit(s) shipping from 22 October 2025
- Plus 3 unit(s) shipping from 22 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £1,011.88 |
*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.:
- 420-479
- Distrelec Article No.:
- 300-55-780
- Mfr. Part No.:
- 3RW4047-1BB14
- 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 | 55 kW | |
| Range | SIRIUS 3RW | |
| Motor Starter Type | Soft Start | |
| Voltage Rating | 480 V ac | |
| Phase | 3 | |
| Current Rating | 106 A | |
| IP Rating | IP00 | |
| Overall Length | 188mm | |
| Overall Width | 70mm | |
| Better World Product | Yes | |
| Series | 3RW40 | |
| Overall Depth | 170mm | |
| Hazardous Area Certification | ATEX | |
| Better World Claim | Concentrated or compact solution, Saves energy | |
| Mounting Type | Chassis Mount | |
| Standards Met | CCC, CSA, EAC, UL | |
Select all | ||
|---|---|---|
Brand Siemens | ||
Power Rating 55 kW | ||
Range SIRIUS 3RW | ||
Motor Starter Type Soft Start | ||
Voltage Rating 480 V ac | ||
Phase 3 | ||
Current Rating 106 A | ||
IP Rating IP00 | ||
Overall Length 188mm | ||
Overall Width 70mm | ||
Better World Product Yes | ||
Series 3RW40 | ||
Overall Depth 170mm | ||
Hazardous Area Certification ATEX | ||
Better World Claim Concentrated or compact solution, Saves energy | ||
Mounting Type Chassis Mount | ||
Standards Met CCC, CSA, EAC, UL | ||
- COO (Country of Origin):
- CZ
Siemens Soft Starter, 55Kw, 480V AC - 3RW40 Series - 3RW4047-1BB14
This intelligent soft starter from Siemens is an ideal solution for overcoming voltage dips in a 3-phase power-supply system. The unit's 2-phase control keeps current to a minimum in all 3 phases throughout the entire startup time. It also eliminates disturbing direct current components to avoid current and torque peaks from causing damage. The starter motor features overload and intrinsic device protection without the need for extra wiring. Adjustable trip classes and integrated diagnostic functions make for a user-friendly experience. You'll find soft starters like this used to prevent supply voltage fluctuations at start-up in pumping, conveying and compression applications.
• Safe to use in hazardous areas where explosive atmospheres may be present
• Clearly arranged control panel for easy use
• Minimal power loss combined with optimised motor control
• Low heat dissipation to keep control cabinets cool
• Suitable for starting explosion-proof motors with increased safety protection
• Clearly arranged control panel for easy use
• Minimal power loss combined with optimised motor control
• Low heat dissipation to keep control cabinets cool
• Suitable for starting explosion-proof motors with increased safety protection
Can this motor be remotely controlled if it's used in a hazardous location?
Yes it can, as the starter motor includes an integrated remote-reset function that lets you quickly and easily clear faults remotely.
