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Siemens SIRIUS 3RW4046-2TB04 S3 Soft Starter - 80A

Siemens SIRIUS S3 soft starter, 80A, 45kW, with thermistor motor protection.

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ManufacturerSiemens

Part number3RW4046-2TB04

Manufacturer Siemens

Part Number 3RW4046-2TB04

Series SIRIUS S3

Rated Current 80 A

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S3 Soft Starter 80A Rating 45kW Motor Capacity 200-480V AC Control 24V AC/DC Control Supply Thermistor Motor Protection Spring-Type Terminals

Product description

The Siemens SIRIUS 3RW4046-2TB04 is a Type S3 soft starter designed for controlled motor acceleration. It is rated for 80 Amps and 45 kW at 400V, operating at a 40°C ambient temperature. The control voltage range is 200-480V AC, with a 24V AC/DC control supply option.

This soft starter is ideal for applications requiring smooth start-up to reduce mechanical stress on machinery and electrical load on the power supply. It includes thermistor motor protection for enhanced safety and durability. The spring-type terminals ensure quick and secure connections, simplifying installation.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens SIRIUS 3RW4046-2TB04. We provide reliable, quality components to keep your industrial operations running smoothly. Source your soft starters and other automation needs from Stanlo Automation.

Technical specifications

Manufacturer	Siemens
Part Number	3RW4046-2TB04
Series	SIRIUS S3
Rated Current	80 A
Power	45 kW at 400 V
Control Voltage	200-480 V AC
Control Supply	24 V AC/DC
Terminals	Spring-type
Protection	Thermistor Motor Protection

Common applications

Motor Soft Starting

Pump Control

Conveyor Systems

Fan Control

Compressor Starters

Industrial Machinery

Compatible systems

3-Phase AC Motors Siemens SIRIUS Motor Control Components

Also known as

Siemens SIRIUS 3RW40 3RW40 Soft Starter Siemens Motor Starter

Replaces / compatible with

Replaces direct-on-line starters for reduced mechanical and electrical stress.

Technical note

Expert tip

Ensure proper heat dissipation as the rating is specified at 40°C ambient temperature.

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Frequently asked questions

What is the control voltage range for the Siemens 3RW4046-2TB04 soft starter?

The Siemens 3RW4046-2TB04 soft starter has a main control voltage range of 200-480V AC. It also supports a 24V AC/DC control supply, offering flexibility in application.