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Siemens SIRIUS 3RW30 Soft Starter - 100A, 55kW

Siemens SIRIUS 3RW30 soft starter for motor control, 100A rating.

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ManufacturerSiemens

Part number3RW3046-1AB14

Type SIRIUS 3RW30

Rated Operational Current 100 A

Motor Power 55 kW at 400 V

Control Voltage 200-460 V AC

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Smooth motor acceleration Reduced inrush current Motor protection Screw terminals 200-460V AC control Compact design

Product description

The Siemens 3RW3046-1AB14 is a SIRIUS soft starter designed for smooth acceleration of three-phase induction motors. It is rated for a standard operating current of 100 A and can handle motor ratings up to 55 kW at 400 V, with an ambient temperature rating of 40°C. This model operates with a control voltage range of 200-460 V AC and features convenient screw terminals for connection.

This soft starter is commonly employed in applications requiring reduced mechanical stress on machinery, such as conveyor systems, pumps, fans, and compressors. By limiting inrush current, it helps to protect both the motor and the power supply infrastructure, extending equipment life and improving system reliability.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RW3046-1AB14. Secure reliable and cost-effective automation components for your industrial needs. We provide a trusted source for quality surplus parts.

Technical specifications

Type	SIRIUS 3RW30
Rated Operational Current	100 A
Motor Power	55 kW at 400 V
Control Voltage	200-460 V AC
Terminals	Screw
Ambient Temp	40 °C

Common applications

Conveyor Systems

Pumps

Fans

Compressors

Motor Control

Industrial Automation

Machine Building

Compatible systems

Three-phase induction motors

Also known as

Siemens Soft Starter 3RW30, 3RW3046 Soft Starter, SIRIUS Motor Starter

Replaces / compatible with

This is a standard soft starter. For specific replacement guidance, consult the Siemens SIRIUS catalog or contact our support team.

Technical note

Expert tip

Proper sizing based on motor starting characteristics (starting torque, duty cycle) is crucial for optimal performance and longevity of the soft starter.

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Frequently asked questions

What is the maximum motor power for the Siemens 3RW3046-1AB14 at 400V?

The Siemens 3RW3046-1AB14 soft starter is rated for a maximum motor power of 55 kW at 400 V. It ensures smooth starting and protects the motor and electrical system from high inrush currents.