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Siemens 3RW4046-1BB14 SIRIUS Soft Starter

Siemens 3RW4046-1BB14 SIRIUS S3 soft starter, 80A, 45kW.

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ManufacturerSiemens

Part number3RW4046-1BB14

Series SIRIUS

Size S3

Rated Operational Current 80 A

Motor Power 45 kW @ 400 V

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Smooth Motor Start/Stop Reduced Inrush Current S3 Size Rating Wide Control Voltage Range Screw Terminal Connections Integrated Overload Protection

Product description

The Siemens 3RW4046-1BB14 is a SIRIUS soft starter belonging to the S3 size category. It is rated for a continuous current of 80 A and can control motors up to 45 kW at 400 V. This soft starter is designed for smooth acceleration and deceleration of three-phase motors, reducing mechanical stress and electrical inrush currents. It operates with a wide control voltage range of 200-480 V AC and 110-230 V AC/DC, offering flexibility in power supply connections. The unit features screw terminals for easy and secure wiring.

This soft starter is commonly used in applications such as pumps, fans, compressors, and conveyors where gradual start-up is necessary to prevent system shock, conserve energy, and prolong equipment life. It is suitable for various industries including water treatment, HVAC, material handling, and general manufacturing.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RW4046-1BB14. We provide quality refurbished and surplus automation components, helping you reduce costs without compromising on performance. Trust Stanlo Automation for your industrial motor control needs.

Technical specifications

Series	SIRIUS
Size	S3
Rated Operational Current	80 A
Motor Power	45 kW @ 400 V
Control Voltage	200-480 V AC, 110-230 V AC/DC
Terminals	Screw terminals
Overload Protection	Integrated

Common applications

Pump Control

Fan Control

Compressor Starting

Conveyor Systems

Material Handling

Industrial Machinery

Compatible systems

Suitable for standard three-phase AC induction motors Can be integrated with Siemens Sirius motor protection devices and control systems.

Also known as

Siemens SIRIUS S3 Soft Starter 3RW40 Soft Starter 80A Motor Starter

Replaces / compatible with

This soft starter is designed to replace direct-on-line starters, reducing mechanical shock and electrical stress on motor and connected equipment. It is part of the comprehensive SIRIUS motor starter portfolio.

Technical note

Expert tip

Ensure adequate heat dissipation by mounting the soft starter in a well-ventilated enclosure, as it is rated for ambient temperatures up to 40°C.

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Frequently asked questions

What is the maximum motor power for the Siemens 3RW4046-1BB14 soft starter at 400V?

The Siemens 3RW4046-1BB14 SIRIUS soft starter is rated for a maximum motor power of 45 kW when operating at a voltage of 400 V.