Siemens 3RW3026-1BB14

Overview

The Siemens 3RW3026-1BB14 SIRIUS Soft Starter is engineered to provide a sophisticated solution for the controlled startup of three-phase asynchronous motors. This device meticulously manages the gradual increase of motor voltage, effectively mitigating detrimental mechanical stress and significantly reducing inrush current peaks during activation. The result is a substantial extension of the operational lifespan for both the motor and all connected equipment, leading to reduced maintenance costs and improved system reliability. This specific model is impeccably suited for motors rated up to 11 kW (15 HP) at 400 V, capably handling operational currents reaching 25 A. It boasts versatile compatibility with a wide supply voltage range of 200–480 V AC and accommodates a flexible control voltage of 110–230 V AC/DC. Designed with practicality in mind, the 3RW3026-1BB14 integrates effortlessly into existing systems via robust screw terminal connections and is optimized for quick mounting on standard 35 mm DIN rails, ensuring a streamlined installation process.

Key Features

• Optimized Motor Startup: Delivers precisely controlled voltage ramp-up to guarantee a gentle motor start, thereby minimizing mechanical wear, reducing stress on the power supply, and preventing sudden jolts.
• Integrated Bypass Contacts: Enhances energy efficiency by bypassing the thyristors once the motor achieves full speed, thus reducing heat dissipation and power consumption.
• Space-Saving Compact Design: Engineered with a minimized footprint (125 mm H x 45 mm W x 150 mm D), enabling efficient use of space within control panels and electrical enclosures.
• Broad Control Voltage Compatibility: Offers exceptional flexibility with a wide control voltage range of 110–230 V AC/DC, facilitating integration into diverse control schemes and global applications.
• Robust Screw Terminal Connections: Ensures swift, secure, and reliable electrical wiring, simplifying installation and reducing downtime.
• DIN Rail Mountable: Designed for effortless and secure mounting on standard 35 mm DIN rails, allowing for quick integration into industrial control setups.
• Enhanced Equipment Longevity: By reducing mechanical shock and electrical stress during startup, this soft starter significantly contributes to the extended operational life of motors and machinery.

Technical Specifications

• Product Type: SIRIUS Soft Starter
• Part Number: 3RW3026-1BB14
• Motor Rating: 11 kW (15 HP) at 400 V
• Operational Current: 25 A at 40°C
• Supply Voltage: 200–480 V AC
• Control Voltage: 110–230 V AC/DC
• Frequency: 50/60 Hz
• Connections: Screw terminals
• Mounting: 35 mm DIN rail
• Dimensions (H x W x D): 125 mm x 45 mm x 150 mm
• Weight: Approximately 0.616 kg
• Protection Rating: IP20
• Operating Temperature Range: -25°C to +60°C

Applications

• Pumping Systems: Effectively prevents hydraulic shock (water hammer) and safeguards impeller and piping components by ensuring a smooth, controlled startup of pump motors. This extends pump lifespan and reduces maintenance frequency.
• Conveying Systems: Guarantees uniform acceleration, dramatically reducing mechanical stress on belts, gears, and drive components, leading to quieter operation and fewer unplanned stops.
• HVAC Systems: Facilitates gentle and gradual startup of fans and compressors, which minimizes wear on mechanical components, reduces current surges, and enhances overall system reliability and comfort.
• Material Handling Equipment: Improves operational efficiency and safety by mitigating mechanical shocks during the startup of hoists, cranes, and other equipment, protecting both the machinery and the conveyed materials.
• Wood Processing Machinery: Ensures a controlled and soft start for saws, planers, and other high-inertia loads, reducing operational vibrations and improving precision.
• Textile Machines: Provides smooth acceleration for critical mechanisms, preventing sudden jerks that could damage delicate materials or machinery.

Why Choose This Model?

• Unmatched Reliability: As a Siemens product, the 3RW3026-1BB14 embodies German engineering excellence, offering consistent and dependable performance in demanding industrial environments.
• Extended Equipment Life: By significantly reducing mechanical and electrical stress during motor startups, this soft starter directly contributes to a longer lifespan for your valuable motors and connected machinery.
• Energy and Cost Savings: Integrated bypass contacts ensure optimal energy efficiency once the motor is up to speed, leading to lower operating costs and reduced energy consumption over time.
• Seamless Integration: Its compact design, flexible control voltage, and easy DIN rail mounting, combined with screw terminals, make installation and integration into existing systems remarkably straightforward.
• Versatile Application: Suitable for a wide array of industrial applications, providing significant benefits across various sectors from manufacturing to process automation.
• Enhanced System Resilience: Protects against current peaks and mechanical shocks, ensuring more stable operation and reducing the likelihood of unexpected downtime.

Order Now

Elevate the performance and longevity of your industrial motors with the Siemens 3RW3026-1BB14 SIRIUS Soft Starter. Invest in superior motor control and protection today. Contact us for competitive pricing and expert support or add to your cart now to experience the benefits of advanced soft starting technology.