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Siemens SIRIUS 3RW4046-1TB05 Soft Starter | 80A, 55kW

Siemens SIRIUS 3RW4046-1TB05 Soft Starter

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ManufacturerSiemens

Part number3RW4046-1TB05

Operational Current 80 A

Motor Power 55 kW at 500 V

Control Voltage 24 V AC/DC

Input Voltage 400-600 V AC

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Soft Starting and Stopping Thermistor Motor Protection Integrated Bypass Reduced Mechanical Load Wide Voltage Range Full Motor Protection

Product description

The Siemens 3RW4046-1TB05 is a SIRIUS soft starter, designed for heavy-duty industrial applications. This S3 frame size unit offers an 80 A operational current and supports motors up to 55 kW at 500 V. It operates on a 400-600 V AC power supply and utilizes a 24 V AC/DC control voltage. Key features include integrated bypass, thermistor motor protection, and electronic overload protection for comprehensive motor safeguarding.

This soft starter is ideal for demanding applications such as large pumps, compressors, presses, and heavy conveyor systems. Its ability to provide smooth starting and stopping reduces mechanical stress, prolonging the life of motors and driven machinery.

Source your Siemens 3RW4046-1TB05 soft starter from Stanlo Automation, your trusted veteran-owned surplus parts distributor. We offer quality components and reliable service to keep your operations running efficiently.

Technical specifications

Operational Current	80 A
Motor Power	55 kW at 500 V
Control Voltage	24 V AC/DC
Input Voltage	400-600 V AC
Protection	Thermistor Motor Protection, Integrated Bypass
Mounting	Screw Terminals
Series	SIRIUS 3RW40
Frame Size	S3

Common applications

Large pumps

Compressors

Presses

Heavy conveyor systems

Industrial machinery

HVAC systems

Compatible systems

Three-phase asynchronous motors

Also known as

Siemens 80A 55kW Soft Starter SIRIUS 3RW4046-1TB05 Siemens Motor Starter

Replaces / compatible with

This soft starter is a direct replacement for other Siemens 3RW40 series units with equivalent specifications. Always verify compatibility.

Technical note

Expert tip

The integrated thermistor protection requires connection to a compatible motor thermistor for accurate thermal monitoring.

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Frequently asked questions

What is the operational current and motor power for the Siemens 3RW4046-1TB05?

The Siemens 3RW4046-1TB05 soft starter has an operational current rating of 80 A and supports motors up to 55 kW at 500 V. It is designed for 400-600 V AC input voltage.