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Siemens SIRIUS 3RW4076-6BB35 Soft Starter - 385A

Siemens SIRIUS 3RW4076-6BB35 385A Soft Starter (Phased Out).

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ManufacturerSiemens

Part number3RW4076-6BB35

Series SIRIUS

Model 3RW4076-6BB35

Rated Current 385 A

Max Motor Power 400 hp

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Veteran-owned

CAGE: 9NK75

Smooth Motor Starting Reduced Inrush Current Protects Motor and Mechanical Parts High Amperage Rating Screw Terminal Connections SIRIUS Quality

Product description

The Siemens SIRIUS 3RW4076-6BB35 is a soft starter designed for smoothly starting electric motors. It has a significant rating of 385 Amps and is suitable for motors up to 400 horsepower at 575 Volts, operating at a temperature of 50°C. The soft starter operates on a voltage range of 400-600 V AC and is equipped with screw terminals. Please note that this is a phased-out product, and its preferred successor is the SIRIUS 3RW5 series, specifically the 3RW5076-6AB15 model.

This soft starter is used in applications where the high inrush current and mechanical shock associated with direct-on-line motor starting need to be reduced. This includes fans, pumps, compressors, and conveyors, helping to extend the lifespan of motors and mechanical components while minimizing stress on the power supply.

Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 3RW4076-6BB35. While it is a phased-out item, we can help you source this or find suitable alternatives from our inventory, ensuring your automation needs are met with reliable parts and expert support.

Technical specifications

Series	SIRIUS
Model	3RW4076-6BB35
Rated Current	385 A
Max Motor Power	400 hp
Voltage	400-600 V AC, 575 V
Temperature	50 °C
Terminals	Screw
Status	Phased-out

Common applications

Pump Control

Fan Control

Conveyor Systems

Compressors

Industrial Machinery

Motor Starting Applications

Compatible systems

Siemens SIRIUS Motor Control Systems Industrial Motor Applications

Also known as

Siemens SIRIUS Soft Starter 3RW4076 3RW40766BB35 Siemens

Replaces / compatible with

This is a phased-out product. The preferred successor is the SIRIUS 3RW5 series, with the specific recommended successor being the 3RW5076-6AB15.

Technical note

Expert tip

As a phased-out product, availability may be limited, and it's recommended to verify current stock and consider the successor models for new installations.

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Frequently asked questions

What is the successor to the Siemens SIRIUS 3RW4076-6BB35 soft starter?

The Siemens SIRIUS 3RW4076-6BB35 is a phased-out product. The preferred successor is the SIRIUS 3RW5 series, with the specific model being the 3RW5076-6AB15.