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Siemens SIRIUS 3RW4443-6BC46 Soft Starter | 200 kW, 203 A

Siemens SIRIUS 3RW4443-6BC46 soft starter for smooth motor control.

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ManufacturerSiemens

Part number3RW4443-6BC46

Rated Power 200 kW (at 690 V, 40°C)

Operational Current 203 A (at 40°C)

Supply Voltage 400-690 V AC

Control Voltage 230 V AC

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Soft starting and stopping Integrated bypass for efficiency Motor overload protection Suitable for 690 V systems Screw terminal connections Reduced mechanical stress

Product description

The Siemens SIRIUS 3RW4443-6BC46 is a high-performance soft starter designed for the smooth acceleration and deceleration of three-phase asynchronous motors. Rated for 200 kW at 690 V and 203 A, it is suitable for demanding applications requiring reliable motor control. This model features an integrated bypass contact system for efficient operation and reduced heat dissipation within the control cabinet.

Ideal for heavy-duty applications in manufacturing, mining, and material processing, this soft starter ensures reduced mechanical stress on machinery and electrical systems during startup. Its robust design and advanced features provide protection against motor overload and overheating, contributing to extended equipment lifespan.

Stanlo Automation, your veteran-owned source for industrial automation parts, offers the Siemens 3RW4443-6BC46. We provide access to quality components like this soft starter, ensuring your operations run efficiently and reliably. Trust Stanlo Automation for your industrial needs.

Technical specifications

Rated Power	200 kW (at 690 V, 40°C)
Operational Current	203 A (at 40°C)
Supply Voltage	400-690 V AC
Control Voltage	230 V AC
Connection	Screw terminals
Features	Integrated bypass, Motor overload protection
Status	Phased-out product

Common applications

Motor control centers

Pump stations

Fan drives

Conveyor systems

Compressors

Industrial machinery

Compatible systems

Three-phase asynchronous motors

Also known as

Siemens SIRIUS 3RW44 Soft Starter 3RW4443-6BC46 Soft Starter 200kW Soft Starter Siemens

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens SIRIUS 3RW5543-6HA16.

Technical note

Expert tip

While this product is phased out, it remains a capable soft starter. Ensure compatibility with successor models if planning system upgrades.

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Frequently asked questions

What is the main function of the Siemens 3RW4443-6BC46 soft starter?

The Siemens 3RW4443-6BC46 soft starter is designed to provide smooth acceleration and deceleration for three-phase asynchronous motors. It reduces electrical and mechanical stress during motor startup, protecting the motor and connected equipment.