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Siemens SIRIUS 3RW40 Soft Starter - 25A, 11kW (3RW4026-2BB14)

Siemens SIRIUS 3RW40 Basic Performance Soft Starter

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ManufacturerSiemens

Part number3RW4026-2BB14

Type Soft Starter

Series SIRIUS 3RW40

Frame Size S0

Operational Current 25A (at 40°C)

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Basic performance soft start Integrated bypass 25A rating 11kW motor power 200-480V AC supply 110-230V AC/DC control Spring terminals

Product description

The Siemens SIRIUS 3RW4026-2BB14 is a basic performance soft starter designed for smooth starting and stopping of 3-phase asynchronous motors. It offers an integrated bypass contact system, reducing power loss during operation and providing full motor protection.

This soft starter is suitable for a variety of applications, including pumps, compressors, conveyors, and fans, where reduced mechanical stress and controlled acceleration are required. Its spring-type terminals ensure secure connections, and it features adjustable current limitation and external reset functionality.

Stanlo Automation, a veteran-owned supplier of industrial automation surplus parts, offers the Siemens 3RW4026-2BB14. Trust us for reliable sourcing, quality products, and efficient delivery to keep your operations running.

Technical specifications

Type	Soft Starter
Series	SIRIUS 3RW40
Frame Size	S0
Operational Current	25A (at 40°C)
Motor Power	11kW (at 400V)
Supply Voltage	200-480V AC
Control Voltage	110-230V AC/DC
Terminals	Spring-type

Common applications

Pumps

Compressors

Conveyor Belts

Fans

HVAC Systems

Presses

Escalators

Compatible systems

3-phase asynchronous motors

Also known as

SIRIUS 3RW40 Soft Starter Siemens 25A Soft Starter 3RW4026-2BB14 Motor Starter

Replaces / compatible with

Used for controlled starting of 3-phase asynchronous motors, replacing direct-on-line starters where soft start functionality is needed.

Technical note

Expert tip

This soft starter includes integrated motor overload protection according to IEC 60947-4-2, eliminating the need for a separate overload relay.

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Frequently asked questions

What is the operational current rating of the Siemens 3RW4026-2BB14 soft starter at 40°C?

The Siemens 3RW4026-2BB14 soft starter has an operational current rating of 25A at 40°C. It can also handle 23A at 50°C and 21A at 60°C.