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Siemens SIRIUS 3RW40 Soft Starter - 162A

Siemens SIRIUS 3RW40 Soft Starter, 162A, 90kW

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ManufacturerSiemens

Part number3RW4056-6BB44

Rated Current 162 A

Max Motor Power 90 kW @ 400V

Control Voltage 200-460V AC

Temperature 40 °C

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Veteran-owned

CAGE: 9NK75

Smooth motor acceleration Reduced inrush current Screw terminals Suitable for 90kW motors SIRIUS 3RW40 series

Product description

The Siemens SIRIUS 3RW4056-6BB44 is a size S6 soft starter designed for smooth motor acceleration. It has a rated current of 162 A and can control motors up to 90 kW at 400V. The control voltage range is 200-460V AC, and it features screw terminals for connections. Please note that this is a phased-out product, with the preferred successor being the SIRIUS 3RW5056-6AB14.

Soft starters like this are crucial for applications requiring gradual motor startup to reduce mechanical stress and electrical inrush current. They are commonly used for pumps, fans, compressors, and conveyors in industries such as water management, HVAC, and general manufacturing.

Stanlo Automation, a veteran-owned distributor of industrial surplus, offers the Siemens SIRIUS 3RW4056-6BB44. While a phased-out model, we can help you source this or its modern replacement for your automation needs.

Technical specifications

Rated Current	162 A
Max Motor Power	90 kW @ 400V
Control Voltage	200-460V AC
Temperature	40 °C
Terminals	Screw

Common applications

Pumps

Fans

Compressors

Conveyors

HVAC

Water management

General manufacturing

Compatible systems

AC motors Industrial control panels Siemens control systems

Also known as

SIRIUS S6 soft starter Siemens 3RW40 starter 162A motor starter Siemens soft motor starter

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens SIRIUS 3RW5056-6AB14. It replaces direct-on-line starters for smoother motor starting.

Technical note

Expert tip

While this is a phased-out model, ensure proper wiring and heat dissipation according to the original manual for reliable operation. Consider the successor for new installations.

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Frequently asked questions

What is the successor to the Siemens SIRIUS 3RW4056-6BB44 soft starter?

The Siemens SIRIUS 3RW4056-6BB44 soft starter is a phased-out product. The preferred successor recommended by Siemens is the SIRIUS 3RW5056-6AB14, offering updated features and support.