Siemens 3RW3028-1BB04

Siemens 3RW3028-1BB04 | SIRIUS Soft Starter, 18.5 kW (25 HP) at 400 V, 38 A, 200-480 V AC, 24 V AC/DC Control Voltage

Overview:

The Siemens 3RW3028-1BB04 is a SIRIUS series soft starter engineered to facilitate smooth motor startup by reducing inrush current and mechanical stress. Rated for 18.5 kW (25 HP) motors at 400 V with a 38 A operational current, this device is suitable for systems operating between 200-480 V AC and utilizes a 24 V AC/DC control voltage. Its compact design and screw terminal connections make it an excellent choice for various industrial motor control applications.

Key Features:

• Soft Motor Start-Up: Minimizes mechanical wear and electrical stress on motors by controlling voltage during startup.
• Integrated Bypass Contact System: Enhances energy efficiency and reduces heat dissipation during continuous operation.
• Compact Design: Saves space in control panels, facilitating easier integration.
• Screw Terminal Connections: Ensures secure and straightforward wiring.
• Wide Voltage Range: Operates efficiently in systems from 200 V to 480 V AC.

Technical Specifications:

• Product Type: SIRIUS Soft Starter
• Part Number: 3RW3028-1BB04
• Rated Operational Current: 38 A
• Motor Rating: 18.5 kW (25 HP) at 400 V
• Operational Voltage Range: 200-480 V AC
• Control Voltage: 24 V AC/DC
• Connection Type: Screw Terminals
• Protection Rating: IP20 (suitable for control cabinet installations)
• Compliance: Meets IEC and industrial safety standards

Applications:

• Industrial Automation: Provides reliable motor control for conveyors, pumps, and fans.
• HVAC Systems: Ensures smooth startup of compressors and blowers.
• Material Handling: Optimizes performance of hoists and cranes by reducing mechanical stress during startup.

The Siemens 3RW3028-1BB04 SIRIUS Soft Starter is a robust and efficient solution for controlling motor startup, enhancing the longevity and performance of your industrial equipment.

Original Manufacturer Packaging

These products are industrial surplus items preserved in the original manufacturer box. Learn More

DDPARTSSOLUTION Packaging

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Refurbished

These products have been previously installed or may show cosmetic signs of prior handling. Learn More