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Siemens SIRIUS 3RW4026-1BB05 Soft Starter | 25A, 15kW

Siemens SIRIUS 3RW4026-1BB05 Soft Starter

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ManufacturerSiemens

Part number3RW4026-1BB05

Operational Current 25 A

Motor Power 15 kW at 500 V

Control Voltage 24 V AC/DC

Input Voltage 400-600 V AC

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12-month warranty

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Same-day dispatch

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Worldwide delivery

US, EU, Asia, Middle East

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Veteran-owned

CAGE: 9NK75

Soft Start and Stop Integrated Bypass Contactor Adjustable Motor Overload Protection Compact Size Easy Installation Reduced Wear on Mechanical Components

Product description

The Siemens 3RW4026-1BB05 is a SIRIUS soft starter designed for controlled motor acceleration and deceleration. This S0 frame size unit offers an operational current of 25 A and supports motors up to 15 kW at 500 V. It operates with a main voltage range of 400-600 V AC and a control voltage of 24 V AC/DC. Features include integrated bypass for full voltage operation after startup, and robust motor overload protection.

This soft starter is suitable for a wide range of industrial applications, including conveyor systems, pump controls, fans, and general machinery where smooth starts are essential to minimize mechanical stress and extend equipment life. Its compact design and efficient operation make it a preferred choice for control cabinet integration.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RW4026-1BB05. We provide dependable automation components and exceptional service to support your MRO needs.

Technical specifications

Operational Current	25 A
Motor Power	15 kW at 500 V
Control Voltage	24 V AC/DC
Input Voltage	400-600 V AC
Protection	Motor Overload Protection, Integrated Bypass
Mounting	Screw Terminals
Series	SIRIUS 3RW40
Frame Size	S0

Common applications

Conveyor systems

Pump controls

Fan applications

Compressors

Machine tools

General industrial machinery

Compatible systems

Three-phase asynchronous motors

Also known as

Siemens 25A Soft Starter SIRIUS 3RW40 Series Soft Starter 3RW4026-1BB05 Motor Starter

Replaces / compatible with

Compatible with Siemens SIRIUS 3RW40 series accessories and control systems. Please verify specific compatibility before replacement.

Technical note

Expert tip

This soft starter requires a separate overload relay or internal protection settings to be configured for complete motor protection.

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Frequently asked questions

What is the operational current and motor power for the Siemens 3RW4026-1BB05?

The Siemens 3RW4026-1BB05 soft starter has an operational current rating of 25A and can control motors up to 15 kW at 500 V. It is designed for 400-600V AC input voltage.