3RW4076-6BB44
SIRIUS S12 432 A 250 kW Soft Starter · S12 soft starter rated 432 A at 40 degrees C and 250 kW at 400 V, with 200-460 VAC operating voltage and 230 VAC control supply.
Lifecycle note: Use the unit nameplate and current official documentation as final references before approving a replacement.
Product Condition
Original New with One Year WarrantyParts Available
In Stock and Same Day ShippingDelivery Mode
Shipping via DHL Fedex or UPS etcEmail:
sales17@amikon.cnWhatsapp/Mob:
+86 15359408275SIRIUS S12 432 A 250 kW Soft Starter · Siemens SIRIUS 3RW40
Siemens 3RW4076-6BB44 is a SIRIUS 3RW40 size S12 soft starter for limiting motor starting current and torque in a correctly engineered three-phase drive application.
The unit is rated 432 A at 40 degrees C and 250 kW at 400 V, operates from 200 to 460 VAC, uses a 230 VAC control supply and includes bypass contacts, electronic device protection, motor overload protection and adjustable current limitation.
Siemens lists 3RW4076-6BB44 as discontinued and identifies 3RW5076-6AB14 as the preferred successor reference; replacement still requires verification of motor duty, ambient derating, control voltage, terminals, enclosure, protection, settings and coordination devices.
| Manufacturer | Siemens |
|---|---|
| Article number | 3RW4076-6BB44 |
| Product family | SIRIUS 3RW40 |
| Size | S12 |
| Operational voltage | 200-460 VAC |
| Control supply voltage | 230 VAC |
| Rated current at 40 degrees C | 432 A |
| Rated current at 50 degrees C | 385 A |
| Rated current at 60 degrees C | 335 A |
| Rated motor output at 400 V | 250 kW |
| Rated motor output at 230 V | 132 kW |
| Rated motor output at 200/208 V and 50 degrees C | 125 hp |
| Line frequency | 50-60 Hz |
| Rated insulation voltage | 600 V |
| Main circuit connection | Screw terminals |
| Integrated functions | Bypass contacts, electronic device protection, motor overload protection and adjustable current limitation |
| External reset | Supported |
| Thermistor motor protection evaluation | Not integrated |
| Inside-delta connection | Not supported |
| Lifecycle status | Discontinued since 2023-10-01 |
| Preferred successor reference | 3RW5076-6AB14; engineering review required |
| Net weight | 8.808 kg |
| Packaging dimensions | 321 x 341 x 221 mm |
Siemens 3RW4076-6BB44 limits motor starting current and starting torque, then uses integrated bypass contacts during normal running in a correctly engineered application.
Siemens 3RW4076-6BB44 operates on 200-460 VAC, uses a 230 VAC control supply and is rated 432 A at 40 degrees C with documented ambient derating.
Siemens 3RW4076-6BB44 is rated for 250 kW at 400 V and 132 kW at 230 V under the documented operating conditions.
Siemens 3RW4076-6BB44 includes electronic device protection, motor overload protection and adjustable current limitation, but it does not integrate thermistor motor-protection evaluation.
Siemens 3RW4076-6BB44 does not support inside-delta connection, so the main-circuit topology must follow the approved line-connected application.
Siemens identifies 3RW5076-6AB14 as the preferred successor reference, but the motor duty, control supply, terminals, dimensions, protection and parameterization must be reviewed before conversion.
Provide the complete Siemens 3RW4076-6BB44 article number, motor nameplate and load duty, supply and control voltages, ambient temperature, starting frequency, protection scheme, quantity and destination.
Send the complete 3RW4076-6BB44 catalog number, revision, quantity, destination and nameplate photo. Identification details will be checked before quotation.
Visit us
32D Guomao Building, No.388, Hubin South Road, Siming District
Please read on, stay posted, subscribe, and we welcome you to tell us what you think.
Disclaimer : Salesplcauto sells new and surplus products and develops channels for purchasing such products. This website has not been approved or recognized by any of the listed manufacturers or trademarks. Salesplcauto is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
Copyright @2026 SalesPlc Limited. Sitemap
/ Blog
/ XML
/ Terms And Conditions
/ Privacy Policy
Network Supported
About Us
Reliable Industrial Automation Parts, Global Supply Support SALES PLC works with a broad network of qualified suppliers to provide industrial automation components that meet our customers’ requirements for quality, availability, price, and delivery time. Our product portfolio covers PLC, DCS, HMI, control systems, safety systems, drives, communication modules, and other critical spare parts from leading brands, including Siemens, Emerson, Invensys Triconex, HIMA, GE, ABB, Honeywell, and Bently Nevada. More Than Products — Complete Supply Solutions Our strength goes beyond product sourcing. We work closely with end users, system integrators, maintenance teams, and industrial partners to identify suitable replacement parts and practical procurement solutions. Through integrated purchasing and online support, customers can send inquiries and place orders throughout the year. Our experienced team responds quickly and helps reduce downtime caused by unavailable or obsolete equipment. Our Team Our experienced team brings together product specialists, sourcing professionals, sales consultants, and customer service staff. We work together to provide clear communication and dependable support at every stage of the order. Growing Together for More Than 20 Years For more than 20 years, SALES PLC has continued to grow with the support and trust of customers, suppliers, and business partners around the world. Every project, inquiry, and partnership has helped us improve our service. Looking ahead, we remain committed to providing dependable products, responsive communication, and professional industrial automation solutions. Thank you to every customer and partner who has supported our journey. We look forward to building a stronger and more successful future together. Sustainable Partnerships SALES PLC believes in building long-term, mutually beneficial relationships with customers and suppliers. We focus on honest communication, responsible sourcing, continuous improvement, and reliable service. As industrial technology continues to evolve, we keep expanding our product knowledge and supplier network to support new systems, legacy equipment, and replacement-part requirements. Contact SALES PLC Our team is available during working hours to answer your questions, check product availability, and prepare a quotation.
Where to Find Us
32D Guomao Building, No.388, Hubin South Road, Siming District
+86 18150117685
sales1@amikon.cn
Follow Us
