DESCRIPTION: S12, 248 A, 200 HP/460 V, 50 DEG., 200-460 V AC, 115 V AC, SCREW TERMINALS
PRODUCT TYPE INFO: SIRIUS SOFT STARTER
|Category||Soft start S12|
|Function||Motor overload protection|
|Insulation voltage rating||600 V|
|Operating current||at 40 °C rated value A 280, at 50 °C rated value A 248, at 60 °C rated value A 215|
|Operating frequency||50/60 Hz|
|Degree of pollution||3, acc. to IEC 60947-4-2|
|Main current circuit connection||Busbar connection|
|Auxiliary and control current circuit||Screw-type terminals|
|Installation altitude||5000 m|
|Ambient temp||-25-+60 °C|
|UL/CSA ratings||100 hp at 220/230 V, 200 hp at 460/480 V|
MRO Electric repairs CNCs, PLCs, Servo/Spindle Drives, Motors, Amplifiers, VFDs, HMIs, and more, most of which can be repaired in only 3-5 days.
MRO can restore your failed 3RW4074-6BB34 to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.
Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.
Our technicians have vast experience with most manufacturers and models. In addition to this 3RW4074-6BB34 we also repair a wide range of other Siemens products, so if you don’t see the model you need, please contact us.
If you are interested in getting credit for your faulty 3RW4074-6BB34, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.
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Siemens products are manufactured in Germany and are designed for Automotive, aerospace, power generation, and electronics usage. They come with a 2-year warranty from MRO Electric. We also carry Breakers from other manufacturers such as FANUC and Yaskawa.
The 3RW40746BB34 is a powerful and versatile soft starter designed as part of the SIRIUS product line by Siemens. This soft starter is equipped with various advanced features and functions that make it an essential component in motor control applications. Its integrated bypass contact system, along with thyristors, enhances its efficiency and reliability.
One of the standout features of the 3RW40746BB34 is its intrinsic device protection. This ensures that the soft starter itself remains safeguarded against potential faults or malfunctions, thereby contributing to the overall durability of the system. Additionally, motor overload protection is a critical function that prevents excessive current from damaging the motor during startup, ensuring a longer lifespan for both the motor and the soft starter.
The soft starter's external reset capability adds to its user-friendliness, allowing for easy reconfiguration and adjustments. The adjustable current limitation feature further enhances its versatility, making it compatible with a wide range of motor types and sizes. However, it's worth noting that this model does not offer the evaluation of thermistor motor protection, which may be a consideration in specific applications.
The 3RW40746BB34 demonstrates its flexibility with its compatibility across various operating frequencies, rated voltages, and load conditions. Its wide operating voltage range (200V to 460V) and adjustable motor current for motor overload protection (minimum rated value of 130A) cater to diverse motor setups. The minimum load requirement of 20% ensures that the soft starter remains effective even during partial load conditions.
In terms of power electronics, the soft starter exhibits remarkable performance. It can handle substantial mechanical power outputs for three-phase motors, reaching up to 160,000 W at 400V and 40°C. This capability makes it suitable for driving high-power motors commonly found in industrial applications.
The control circuit and supply voltage specifications of the 3RW40746BB34 contribute to its reliability and ease of use. The control supply voltage of 115V at both 50Hz and 60Hz ensures consistent performance. The fault signal display version features a red indicator, enhancing the device's ability to communicate its status to operators.
From a mechanical standpoint, the soft starter is designed for convenience and efficiency. Its compact size (S12) and adaptable mounting options allow for seamless integration into various setups. The required spacing for side-by-side mounting ensures proper ventilation and heat dissipation.
The 3RW40746BB34 also boasts a comprehensive set of connection options, accommodating various conductor cross-sections and types. Its compatibility with different conductor sizes and specifications makes it suitable for a wide range of electrical configurations.
Regarding environmental conditions, the soft starter can operate in a broad temperature range (-25°C to +60°C) and handle altitudes up to 5,000 meters. Its IP00 protection class indicates that it is not inherently protected against solids or liquids but is designed for installation within enclosures.
In conclusion, the 3RW40746BB34 soft starter from Siemens' SIRIUS product line is a highly capable and adaptable motor control device. With its integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, and adjustable current limitation, it addresses the needs of various industrial applications. Its impressive mechanical power output, control circuit features, and robust construction make it a reliable and efficient choice for motor control and protection.
Check out the rest of our Siemens product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at email@example.com, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 3RW4074-6BB34, take a look at more from our Breakers line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 3RW4074-6BB34 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.
Fast delivery and very good service.Tom
Would use again. Received in timely manner.Lynn
Very happy with the overall service, delivery, communication and delivery,Conley Cooke