Product Overview:
The Siemens 3RA1145-4KB45-1BB4 Sirius Direct-On-Line (DOL) Motor Starter is a high-performance, pre-assembled and tested solution engineered for the reliable and efficient control of three-phase AC motors. This robust S2 size starter seamlessly integrates a powerful contactor with a precise, adjustable thermal overload relay, offering comprehensive protection against overloads, phase failures, and short circuits. Designed for demanding industrial environments, the 3RA1145-4KB45-1BB4 ensures seamless motor operation, significantly reducing unscheduled downtime and extending the lifespan of connected equipment. Its compact footprint, user-friendly features, and adherence to global standards make it an ideal choice for a wide array of applications requiring dependable motor starting and stopping. Invest in the superior quality, safety, and operational efficiency provided by this essential component for modern industrial automation and electrical control systems.
Technical Specifications:
- Part Number: 3RA1145-4KB45-1BB4
- Part Number (without special characters): 3RA11454KB451BB4
- Product Type: Direct-On-Line (DOL) Motor Starter
- Series: Siemens Sirius 3RA11
- Size: S2
- Rated Operational Voltage (Ue): 400 V AC (Main Circuit)
- Rated Operational Current (Ie): 32 A
- Rated Motor Power (at 400V AC): 15 kW
- Control Supply Voltage (Uc): 230 V AC, 50/60 Hz
- Overload Release Setting Range: 25 - 32 A (Adjustable)
- Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)
- Mounting Type: DIN Rail (35mm) or Screw Mounting
- Protection Class: IP20 (Terminals)
- Operating Temperature Range: -25 °C to +60 °C
- Weight: Approximately 1.5 kg
- Standards Compliance: IEC 60947, UL, CSA, CE
SIEMENS 3RA11-454KB45-1BB4
1-Year Warranty on Purchased Parts
All products sold by Roc Industrial LLC are covered by a limited warranty for a period of one year from the date of purchase, unless otherwise stated. This warranty covers defects in material and workmanship and does not cover damage caused by misuse, abuse, neglect, or unauthorized repair. Click Here to learn more.
Return and Refund Policy
Returns are accepted within 30 days of purchase for a full refund or exchange. Customer is responsible for return shipping costs.Quick & Convenient Shipping Solutions
Ensuring rapid shipping, all domestic orders are processed within 1 business day with free standard delivery and optional overnight shipping available; international orders are efficiently handled with competitive shipping costs, though customs and taxes are the customer's responsibility. For specific shipping needs or assistance, feel free to contact us.
Repair Your Equipment
Get your equipment back up and running fast with our reliable repair services. 2-Year warranty included. Click Here to start.
Out of Stock? Don't Worry!
Our inventory is always evolving and updating. If the quantity of the item you're interested in is showing as zero, please don't hesitate to contact us. We may have new stock on the way or alternative solutions to meet your needs. Reach out to us for the most current availability and we'll do our best to accommodate your requirements.
