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Siemens 3RW4444-2BC44 SIRIUS Soft Starter - 250A

Siemens 3RW4444-2BC44 SIRIUS soft starter

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ManufacturerSiemens

Part number3RW4444-2BC44

Values at 400V, 40°C standard 250A, 132kW

Inside-delta 433A, 250kW

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Soft start functionality High overload capacity Spring-type terminals SIRIUS design Industrial grade

Product description

The Siemens 3RW4444-2BC44 is a SIRIUS soft starter designed for reliable motor control. It offers standard values of 250 A and 132 kW at 400 V and 40°C, with inside-delta ratings of 433 A and 250 kW. This unit operates on 200-460 V AC and features spring-type terminals for 230 V AC connections.

This soft starter is suitable for various industrial applications requiring controlled motor acceleration and deceleration, helping to reduce mechanical stress and power consumption. Industries that benefit include manufacturing, material handling, and processing.

As a veteran-owned surplus parts distributor, Stanlo Automation provides access to essential components like the Siemens 3RW4444-2BC44. We ensure that even phased-out parts are available to keep your operations running smoothly.

Technical specifications

Values at 400V, 40°C standard	250A, 132kW
Inside-delta	433A, 250kW

Common applications

Motor control

Industrial machinery

Manufacturing equipment

Material handling systems

Process automation

Compatible systems

Designed for use with Siemens SIRIUS motor control systems.

Also known as

Siemens SIRIUS 3RW44 3RW44 starter

Replaces / compatible with

This product is phased out. The preferred successor is the Siemens 3RW5544-2HA14.

Technical note

Expert tip

This part is a phased-out product, with the 3RW55 series being the recommended successor.

What happens next?

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Frequently asked questions

What are the key specifications for the Siemens 3RW4444-2BC44 soft starter?

The Siemens 3RW4444-2BC44 soft starter has standard ratings of 250A and 132kW at 400V/40°C, and inside-delta ratings of 433A and 250kW. It operates on 200-460V AC and features spring-type terminals for 230V AC.