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Siemens SIRIUS 3RW4027-1BB04 Soft Starter - 32A, 15kW

Siemens SIRIUS 3RW4027-1BB04 Soft Starter for 3-phase motors.

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ManufacturerSiemens

Part number3RW4027-1BB04

Size S0

Rated Current 32 A

Motor Power 15 kW at 400 V

Control Voltage 200-480 V AC

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Veteran-owned

CAGE: 9NK75

Smooth Motor Start Reduced Inrush Current S0 Size 32A Rating 15kW Motor Capacity Screw Terminals

Product description

The Siemens SIRIUS 3RW4027-1BB04 is a soft starter designed for smooth and controlled starting of three-phase motors. This S0-sized device can handle a rated current of 32 A and is suitable for motor ratings up to 15 kW at 400 V. It operates with a control voltage range of 200-480 V AC and features screw terminals for secure connections.

This soft starter is ideal for applications where reducing mechanical stress on machinery and minimizing power inrush is essential. It is commonly used in conveyor systems, pumps, fans, and other motor-driven equipment across various industries, including general manufacturing and material handling.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Siemens 3RW4027-1BB04 soft starter. We provide reliable components to keep your operations running efficiently.

Technical specifications

Size	S0
Rated Current	32 A
Motor Power	15 kW at 400 V
Control Voltage	200-480 V AC
Terminals	Screw
Ambient Temp	40 °C

Common applications

Motor Control

Conveyor Systems

Pumps

Fans

HVAC Systems

Material Handling

Machine Tools

Compatible systems

Three-phase AC Motors

Also known as

SIRIUS Soft Starter Siemens Motor Starter 3RW40 Soft Starter

Replaces / compatible with

Replaces direct-on-line starters for smoother motor acceleration and reduced mechanical stress. Compatible with various Siemens SIRIUS motor control components.

Technical note

Expert tip

Ensure the ambient temperature does not exceed 40°C for continuous operation at the rated current of 32A.

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Frequently asked questions

What is the maximum motor power for the Siemens 3RW4027-1BB04 soft starter?

The Siemens 3RW4027-1BB04 soft starter is rated for a maximum motor power of 15 kW at 400 V. It supports a rated current of 32 A and operates with a control voltage of 200-480 V AC.