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Siemens SIRIUS 3RW4073-6BB45 Soft Starter - 230A, 160kW

Siemens SIRIUS S12 Soft Starter, 230A

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ManufacturerSiemens

Part number3RW4073-6BB45

Rating S12

Current 230 A

Power 160 kW @ 500 V

Voltage 400-600 V AC

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Smooth motor starting Reduced inrush current Mechanical stress reduction S12 rating Screw terminals

Product description

The Siemens 3RW4073-6BB45 is a SIRIUS soft starter with an S12 rating, designed for a 230A continuous current and supporting motor loads up to 160 kW at 500V. It operates within a voltage range of 400-600V AC for the main circuit and requires 230V AC for control voltage. This model features screw terminals for connections. Please note that this is a phased-out product; its successor is the SIRIUS 3RW5 series, with the preferred successor type being 3RW5073-6AB15.

This soft starter is engineered for smooth and controlled starting of three-phase motors, reducing mechanical stress on equipment and electrical inrush currents. It is commonly used in applications such as pumps, fans, compressors, and conveyors across various industries including water treatment, manufacturing, and HVAC systems.

Stanlo Automation, a veteran-owned business, offers surplus and hard-to-find industrial automation parts. If you're looking for the Siemens 3RW4073-6BB45 or need alternatives for phased-out components, Stanlo is your reliable source for quality parts and excellent service.

Technical specifications

Rating	S12
Current	230 A
Power	160 kW @ 500 V
Voltage	400-600 V AC
Control Voltage	230 V AC
Terminals	Screw

Common applications

Motor Control

Pump Systems

Fan Systems

Conveyor Systems

Manufacturing Equipment

Compatible systems

Three-phase AC motors

Also known as

SIRIUS Soft Starter 3RW40 Siemens 230A Soft Starter

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens SIRIUS 3RW5073-6AB15.

Technical note

Expert tip

When replacing this phased-out unit, verify that the successor 3RW5073-6AB15 meets all your system's electrical and mechanical requirements.

What happens next?

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Frequently asked questions

What is the successor to the Siemens 3RW4073-6BB45 soft starter?

The Siemens 3RW4073-6BB45 is a phased-out product. Its successor is the SIRIUS 3RW5 series, with the preferred successor type being the Siemens 3RW5073-6AB15.