SIEMENS Soft Starter, 3RW4047-1BB14
LEHIY item code: LH-3029
Connection Type: Standard Spiral Connection
Category: SIEMENS Soft Starter
Optionally, the thyristor can also be supplied by SITOR The semiconductor fuse provides short-circuit protection so that the soft starter is not damaged after a short circuit (Coordination Type 2).
The 3RW40 soft starter uses three LEDs to indicate operating status and possible faults, such as disallowed tripping time (tripping class setting), power or phase fault, load loss, thermal overload, or equipment failure. .
Voltage ramp soft start; the starting voltage US is adjustable from 40% to 100%, and the ramp time tR is 0 s to 20 s. . Voltage ramp smooth soft stop; the soft stop time toff is adjustable from 0 s to 20 s. .
Electronic motor overload protection and equipment self-protection function. . Optional thermistor motor protection function (for specifications S3 and below). . Remote reset function (integrated in specifications S3 and below, optional for specifications S6 and above). . Adjustable current limiting function. . Integrated bypass contact system to reduce power consumption. . Potentiometer-based setting. .
Simple installation and commissioning. . Integrated status monitoring and fault monitoring. . Power supply voltage: 50/60 Hz, 200 to 600 V. . Multiple control voltage types. - Specifications S0 to S3: 24 V AC/DC 110 to 230 V AC/DC - Specifications S6 to S12: 115 V AC and 230 V AC.
Controllable via internal 24 V DC power supply and direct control via PLC. . Wide temperature range, -25 ºC to +60 ºC. . Built-in auxiliary contacts for easy integration into control systems.
Quick buying check
This page helps you check SIEMENS Soft Starter, 3RW4047-1BB14 before you ask for a quote.
Confirm the brand, model number, part number, and quantity. Share a clear nameplate photo when the old item has close variants.
LEHIY can check stock, lead time, packing, shipping documents, and safe replacement options for maintenance orders.
Product Overview
Product Name: Siemens Soft Starter, 3RW4047-1BB14 Selling Specifications: 1 piece
Manufacturer Model: 3RW4047-1BB14
Brand: Siemens
Packaging Unit: Piece
Product Features
Optionally, the thyristor can also be supplied by SITOR</t> The semiconductor fuse provides short-circuit protection so that the soft starter is not damaged after a short circuit (Coordination Type 2). The 3RW40 soft starter uses three LEDs to indicate operating status and possible faults, such as disallowed tripping time (tripping class setting), power or phase fault, load loss, thermal overload, or equipment failure. . Voltage ramp soft start; the starting voltage US is adjustable from 40% to 100%, and the ramp time tR is 0 s to 20 s. . Voltage ramp smooth soft stop; the soft stop time toff is adjustable from 0 s to 20 s. . Electronic motor overload protection and equipment self-protection function. . Optional thermistor motor protection function (for specifications S3 and below). . Remote reset function (integrated in specifications S3 and below, optional for specifications S6 and above). . Adjustable current limiting function. . Integrated bypass contact system to reduce power consumption. . Potentiometer-based setting. . Simple installation and commissioning. . Integrated status monitoring and fault monitoring. . Power supply voltage: 50/60 Hz, 200 to 600 V. . Multiple control voltage types. - Specifications S0 to S3: 24 V AC/DC 110 to 230 V AC/DC - Specifications S6 to S12: 115 V AC and 230 V AC. Controllable via internal 24 V DC power supply and direct control via PLC. . Wide temperature range, -25 ºC to +60 ºC. . Built-in auxiliary contacts for easy integration into control systems. |
Technical Specifications
| Specification | Value |
|---|---|
| Brand | SIEMENS |
| Connection Type | Standard Spiral Connection |
Plain language sourcing guide for SIEMENS Soft Starter, 3RW4047-1BB14
Start with the full model name. Check the brand name. Check the part number. Check the code on the old unit. These small checks help you avoid a wrong order.
Take one clear photo of the front label. Take one photo of the side label. If the part has a cable, plug, port, seal, coil, or screen, take a photo of that area too.
Tell us the quantity you need. Tell us your country. Tell us the date when the plant needs the part. We can then check stock, lead time, safe packing, and the best shipping plan.
If the exact model is no longer made, do not guess. Send the old model and the use case. LEHIY can compare close options and explain which choice is safer for repair work.
Use simple order notes. Write the model in one line. Write the quantity in one line. Write the delivery country in one line. This helps our team reply faster.
Check the old part before removal. Look at the label. Look at the connector. Look at the mounting size. Look at the voltage or pressure rating if it is shown.
Do not rely on a short nickname for a part. Many industrial items have close versions. A small suffix can change the plug, output, range, or software setting.
Ask for a stock check if the plant is stopped. Ask for a lead time if the order is planned. Ask for packing photos if the part is fragile or heavy.
For a replacement order, tell us what failed. Tell us where the part is used. Tell us if an equal model is acceptable. This makes the first answer more useful.
For repeat orders, send the last invoice, old label, or old packing photo. The same reference can help us match the correct product again.
For urgent service, keep the message simple. One model, one quantity, one photo, and one delivery target are enough for a fast first check.
Share Article
| Brand Name: | Siemens | Certification: | ISO9001, CE |
|---|---|---|---|
| Place of Origin: | China | Condition: | New |
| Warranty: | 1 year | Customized sourcing: | available |
What are your strengths?
Ans. LEHIY specializes in industrial automation and control components, offering fast sourcing, stable quality, and competitive prices for global customers.
What is your estimated delivery time?
Ans. Most items ship within 3-7 days. Customized or rare models may take 10-30 working days.
What are your primary product offerings?
Ans. Our main products include PLCs, sensors, valves, solenoid valves, actuators, power modules, transmitters, and complete industrial automation solutions.
How can I get in touch with you?
Ans. You can reach us anytime via Email, WhatsApp, LinkedIn, or our contact page. Our sales engineers respond quickly and provide technical support when needed.
What are your payment terms?
Ans. Standard terms are 50% TT in advance and 50% balance before delivery. We also support Alibaba Trade Assurance and L/C for qualified orders.
Feel free to Ask questions
Replacement support
SIEMENS Soft Starter, 3RW4047-1BB14
Send the brand, model, part number, quantity, nameplate photos, and application requirements. LEHIY will check availability, suitable alternatives, packing details, and delivery options before quoting.
For discontinued, temporarily unavailable, or configuration-sensitive items, our team can compare the requested model with close variants or compatible replacements for maintenance and spare parts planning.
Use this page as a practical sourcing note for engineers, buyers, and maintenance teams comparing automation components. Check the model name, brand, LEHIY code, application, and replacement requirements before sending an inquiry.
Short, clear information helps our team confirm availability faster and reduce back-and-forth communication during urgent maintenance projects.
- Confirm the complete model number and any suffix printed on the nameplate.
- Share quantity, destination country, preferred shipping method, and target delivery date.
- Include photos, drawings, old purchase records, or datasheets when compatible alternatives are acceptable.
- Ask for stock checking, replacement comparison, packing details, and export documentation before ordering.
Useful details for a faster quote
- Complete model and part number
- Required quantity and target delivery date
- Nameplate photos, drawings, or old purchase records
- Voltage, signal range, dimensions, or accessory needs
Model matching
We review brand, model, part number, nameplate photos, installation environment, and replacement requirements.
Quality and delivery
Each order can be checked for authenticity, condition, packing, warranty, shipping method, and delivery schedule.
Stock alternatives
For urgent maintenance projects, we can help check stock, compatible alternatives, and fast international shipment.
SIEMENS Soft Starter, 3RW4047-1BB14 verification notes
Please send the full model number, quantity, target delivery date, and nameplate photos. These details help us check the requested product or a close replacement.
LEHIY reviews product name, part number, series, label information, and application requirements before shipment.
If the original model is discontinued or supplied with different accessories, we can explain practical differences before quoting.
For repeat purchasing, we can help organize related models, replacement parts, shipment schedules, and clear communication for your team.
Related Products
Helpful links
Explore More
Product family
More In This Category
Trusted partners
We have collaborated with many well-known enterprises, contributing to their success and establishing a strong reputation as a trusted partner in the industry.
