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Siemens 3RW3046-1AB04 SIRIUS 3RW30 S3 Soft Starter

Siemens SIRIUS 3RW30 S3 Soft Starter

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ManufacturerSiemens

Part number3RW3046-1AB04

Type Soft Starter

Series SIRIUS 3RW30 S3

Rated Current 100 A

Max Motor Power 55 kW (at 400 V)

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Smooth Motor Acceleration Reduced Starting Current S3 Class Soft Start 100A Rating 24V AC/DC Control Screw Terminals

Product description

The Siemens SIRIUS 3RW30 soft starter (3RW3046-1AB04) is an S3 class soft starter designed to reduce mechanical stress on machinery and electrical stress on the supply network during motor startup. This unit has a rated current of 100A and is suitable for motors up to 55 kW at 400V. It operates with a control voltage range of 200-460V AC and a control supply voltage of 24V AC/DC, featuring screw terminals for connections.

This soft starter is ideal for applications where smooth acceleration of AC induction motors is required, such as pumps, fans, compressors, and conveyors. By limiting starting current and torque, it prolongs the life of motor and connected equipment and reduces power consumption peaks.

Source your Siemens 3RW3046-1AB04 from Stanlo Automation, a veteran-owned surplus parts distributor. Ensure reliable and smooth motor starting by stocking this essential component.

Technical specifications

Type	Soft Starter
Series	SIRIUS 3RW30 S3
Rated Current	100 A
Max Motor Power	55 kW (at 400 V)
Control Supply Voltage	24 V AC/DC
Main Circuit Voltage	200-460 V AC
Terminals	Screw
Class	S3

Common applications

Pump Control

Fan Control

Compressor Starting

Conveyor Systems

Material Handling

Machine Tool Applications

Compatible systems

AC Induction Motors Control Panels PLC Controlled Systems

Also known as

Siemens SIRIUS 3RW30 Soft Starter 3RW3046 Soft Starter Siemens S3 Soft Starter 100A Soft Starter

Replaces / compatible with

This soft starter is part of the SIRIUS 3RW30 series. For replacements, ensure the motor power, control voltage, and current ratings are compatible. Refer to Siemens documentation for specific compatibility.

Technical note

Expert tip

The 24V AC/DC control voltage requirement for the 3RW3046-1AB04 necessitates a separate control transformer or power supply, ensuring safe and reliable operation.

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Frequently asked questions

What is the maximum motor power supported by the Siemens 3RW3046-1AB04 SIRIUS soft starter at 400V?

The Siemens 3RW3046-1AB04 SIRIUS soft starter (S3 class) can support motors up to 55 kW when operated at a voltage of 400V.