Siemens SIRIUS Soft Starter for 18.5 kW motors, 25 HP, rated 38 A, supports 200-480 V AC systems, 24 V control.

Siemens 3RW3028-1BB04

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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 designed to enable smooth motor startup by decreasing inrush current and mechanical tension. Rated for 18.5 kW (25 HP) motors at 400 V with a 38 A operational current, this unit is apt for systems running between 200-480 V AC and employs a 24 V AC/DC control voltage. Its compact structure and screw terminal connections make it an ideal option for diverse industrial motor control uses.

Key Features:

Soft Motor Start-Up: Reduces mechanical wear and electrical strain on motors by managing voltage during startup.
Integrated Bypass Contact System: Boosts energy efficiency and cuts down heat dissipation in ongoing operation.
Compact Design: Conserves space in control panels, easing integration.
Screw Terminal Connections: Provides secure and easy wiring.
Wide Voltage Range: Operates effectively 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: Offers dependable motor control for conveyors, pumps, and fans.
HVAC Systems: Secures smooth startup of compressors and blowers.
Material Handling: Improves performance of hoists and cranes by reducing mechanical strain during startup.

The Siemens 3RW3028-1BB04 SIRIUS Soft Starter is a durable and effective solution for motor startup control, boosting the longevity and performance of your industrial equipment.

Brand-New, Authentic, Factory-Sealed Components At PLCVERSE, every item we offer is guaranteed to be brand-new, original, and delivered in its factory-sealed packaging. Our parts are sourced with strict quality control to ensure you receive genuine automation components that meet top industry reliability and performance standards.

1-Year Warranty Coverage Every new product purchased from PLCVERSE includes a full 1-year warranty. We stand behind the quality and durability of our automation components, providing protection against manufacturing defects under normal use. Our commitment is to ensure you receive dependable, high-performance parts with complete peace of mind.

PLCVERSE is an independent seller of industrial automation equipment. We are not an authorized distributor, partner, or representative of any of the manufacturers featured on this website. All brand names, trademarks, and logos remain the property of their respective owners. PLCVERSE has no association or endorsement from ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other brands mentioned.

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