Language

Siemens 3RW4434-6BC44 SIRIUS Soft Starter 113A 55kW

The 3RW4434-6BC44 is an advanced, high-performance soft starter from the Siemens SIRIUS 3RW44 series. Beyond providing smooth motor starting and stopping to reduce mechanical stress and inrush current, it integrates energy-saving controlpower factor correction, and comprehensive motor protection and monitoring functions. This feature-rich soft starter is designed for complex industrial applications that demand high levels of equipment protection, energy efficiency, and manageability.

Product Image

Submit your inquiry and we'll respond within 24 hours

100k+ Parts

Extensive Inventory

Warranty Coverage

New parts: 1-Year | Used: 3-Month

17+ Years

Industry Experience

Fast Shipping

Ships Within 48 Hours

Product Description

Detailed Description:

  • Advanced Starting & Stopping Control: Supports various advanced starting modes such as Voltage Ramp StartCurrent Limit StartTorque Control Start, and Pump Control (to eliminate water hammer), along with corresponding soft-stop functions to protect mechanical equipment.

  • Integrated Energy Saving & Power Factor Optimization: After the motor reaches full speed, the soft starter can automatically switch to Energy Saving Mode, significantly reducing motor active power losses during light or partial loads by optimizing the motor voltage. It also provides Power Factor Correction to reduce the reactive power demand on the grid.

  • Comprehensive Protection & Diagnostics: Offers motor protection far exceeding that of traditional thermal overload relays, including I²t-based electronic overload protectionphase loss protectioncurrent imbalance protectionstall protectionunderload protection, and multiple start inhibition. It features numerous measured values (e.g., current, voltage, power, energy, operating hours) and diagnostic functions for condition monitoring and preventive maintenance.

  • Communication & Integration: Equipped with a built-in PROFIBUS DP or PROFINET interface (depending on the specific model suffix), allowing for easy integration into automation systems for remote parameter setting, monitoring, and control.

  • User-Friendly: Operated via an integrated display and keypad for easy local parameter setting, status viewing, and fault diagnosis.

  • Application Areas: Widely used in heavy-duty industrial equipment such as pumps, fans, compressors, conveyors, mixers, and crushers. Particularly suitable for applications where energy costs are a concern or advanced motor protection is required.

Detailed Description:

  • Advanced Starting & Stopping Control: Supports various advanced starting modes such as Voltage Ramp StartCurrent Limit StartTorque Control Start, and Pump Control (to eliminate water hammer), along with corresponding soft-stop functions to protect mechanical equipment.

  • Integrated Energy Saving & Power Factor Optimization: After the motor reaches full speed, the soft starter can automatically switch to Energy Saving Mode, significantly reducing motor active power losses during light or partial loads by optimizing the motor voltage. It also provides Power Factor Correction to reduce the reactive power demand on the grid.

  • Comprehensive Protection & Diagnostics: Offers motor protection far exceeding that of traditional thermal overload relays, including I²t-based electronic overload protectionphase loss protectioncurrent imbalance protectionstall protectionunderload protection, and multiple start inhibition. It features numerous measured values (e.g., current, voltage, power, energy, operating hours) and diagnostic functions for condition monitoring and preventive maintenance.

  • Communication & Integration: Equipped with a built-in PROFIBUS DP or PROFINET interface (depending on the specific model suffix), allowing for easy integration into automation systems for remote parameter setting, monitoring, and control.

  • User-Friendly: Operated via an integrated display and keypad for easy local parameter setting, status viewing, and fault diagnosis.

  • Application Areas: Widely used in heavy-duty industrial equipment such as pumps, fans, compressors, conveyors, mixers, and crushers. Particularly suitable for applications where energy costs are a concern or advanced motor protection is required.

Key Specifications:

Parameter Details
Model 3RW4434-6BC44
Series SIRIUS 3RW44
Rated Operational Current Specific value requires checking manual; size 34 typically corresponds to a certain current range (e.g., 100-120A)
Rated Motor Power Specific value requires checking manual; at 400V it might correspond to approx. 55 kW motor
Control Supply Voltage Typically 24 V DC or 110-240 V AC
Main Control Functions Voltage Ramp, Current Limit, Torque Control, Pump Control, Soft Stop
Advanced Functions Energy Saving ControlPower Factor Correction
Protection Functions Electronic Overload (I²t), Phase Loss, Current Imbalance, Stall, Underload, Multiple Start Inhibition
Monitoring & Diagnostics Current, Voltage, Power, Energy, Operating Time, Thermal Capacity Utilization, etc.
Communication Interface Integrated PROFIBUS DP or PROFINET (needs confirmation based on exact suffix)
Protection Rating IP20 (for installation inside control cabinet)
Mounting Frame Mounting (typically requires mounting plate)

What Happens After You Order?

1
Step 1

Order Confirmed

Receive email confirmation once your order or quote is received. We review your request and prepare your parts for the next step.

2
Step 2

Personal Representative

A dedicated rep contacts you to verify specs, confirm shipping details, and answer any questions before dispatch.

3
Step 3

Tested & Shipped

Parts go through rigorous final testing. Once verified, your order is carefully packed and shipped with full tracking info.

FAQ

What is your main line of business?

We specialize in the supply and repair of industrial automation components and CNC spare parts. Our inventory covers 20+ world-class brands including Fanuc, Siemens, Mitsubishi, Lenze, IFM, and SICK, featuring 100,000+ SKUs in stock. Whether you need servo drives, PLC modules, motors, encoders, or sensors, we provide tested, ready-to-ship solutions for both new and refurbished parts.

Where is your company? How do I get there?

Our headquarters is located at Rooms 801–802, Building A1-2, Area A, Guangda We Valley, Zongbu 2nd Road, Songshan Lake Park, Dongguan City, Guangdong Province, China. Our facility is equipped with professional testing labs and a clean, modern warehouse environment.

Do you have test equipment? How long is the delivery time?

Yes — we maintain complete in-house testing equipment, and 100% of parts are fully tested before shipment. Most items are in stock and ready for immediate dispatch. For stocked items, we offer 48-hour express global delivery; standard worldwide shipping typically arrives within 7 days.

What's the warranty on your parts?

New parts: 1 year
Used : 3 months

If a part does not function properly upon receipt, please contact our customer service team immediately and provide a clear video showing the issue. Once verified, you may return it to us within 7 days for an exchange or refund. Returns without prior contact and video evidence may not be accepted.

How about the packing when they are sent out?

All shipments are carefully protected with foam padding to fill every space inside the box, ensuring parts remain secure during transit. We typically use reinforced cardboard boxes; for heavier or high-value items, we provide custom wooden crates for added protection.

What deliveries are available?

We ship globally via UPS, DHL, FedEx, TNT, and EMS, with flexible options to match your urgency and budget.

OUKE Automation is not an authorized distributor unless otherwise specified, representative, or affiliate of the manufacturer of this product. All trademarks and documents are the property of their respective owners and are provided for identification and informational.

Related Product

Get A Quote

Condition