Home › Manufacturers › Siemens › 3RW4074-6BB44

Siemens

Siemens SIRIUS 3RW40 Soft Starter - 280A, 160kW

Siemens SIRIUS 3RW40 Soft Starter, 280A, 160kW.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number3RW4074-6BB44

Model 3RW4074-6BB44

Series SIRIUS 3RW40

Rated Current 280 A

Motor Rating 160 kW (at 400 V)

Get a price for 3RW4074-6BB44

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

Smooth motor starting Reduces mechanical and electrical stress 280A current rating 160kW motor power support Screw terminals for easy connection Operates at 40°C

Product description

The Siemens 3RW4074-6BB44 is a SIRIUS soft starter with a rated current of 280 A and a motor rating of 160 kW at 400 V. It operates with an input voltage range of 200-460 V AC and a control voltage of 230 V AC, featuring screw terminals for connection. This is a phased-out product, with the SIRIUS 3RW5 series being its successor, and the preferred successor type being 3RW5074-6AB14.

This soft starter is designed for smooth and controlled starting of three-phase motors, reducing mechanical stress on machinery and electrical stress on the power supply. It finds application in pumps, fans, compressors, and conveyor systems in various industrial sectors.

Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 3RW4074-6BB44. Secure this component for your existing systems or consider its successor for new installations. We provide reliable parts to support your industrial needs.

Technical specifications

Model	3RW4074-6BB44
Series	SIRIUS 3RW40
Rated Current	280 A
Motor Rating	160 kW (at 400 V)
Input Voltage	200-460 V AC
Control Voltage	230 V AC
Terminals	Screw
Temperature	40 °C
Status	Phased-out product

Common applications

Pump control

Fan control

Compressor starting

Conveyor systems

Industrial machinery

Motor control centers

Compatible systems

Three-phase AC motors Industrial control panels Motor starting applications

Also known as

Siemens SIRIUS Soft Starter 3RW40 Siemens 3RW4074 Siemens soft motor starter 280A

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens SIRIUS 3RW5074-6AB14. Consult Siemens documentation for full compatibility details.

Technical note

Expert tip

Given that the Siemens 3RW4074-6BB44 is a phased-out product, ensure availability of spare parts or consider the newer 3RW5 series for long-term support and updated features.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is the successor to the Siemens 3RW4074-6BB44 soft starter?

The Siemens 3RW4074-6BB44 is a phased-out product. Its successor is the SIRIUS 3RW5 series, with the preferred successor type being the Siemens 3RW5074-6AB14.