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Siemens 3RW40 Soft Starter, 480V AC, 18.5 kW, 3 Phase, IP20, Chassis Mount 3RW4028-1BB14

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Siemens 3RW40 Soft Starter, 480V AC, 18.5 kW, 3 Phase, IP20, Chassis Mount 3RW4028-1BB14

Name: Siemens 3RW40 Soft Starter, 480V AC, 18.5 kW, 3 Phase, IP20, Chassis Mount 3RW4028-1BB14
Brand: Siemens
SKU: 118091
Price: 892.69 USD
Availability: InStock

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Category Soft Starter Brand Siemens Condition New

Specifications

Country of Origin	Czech Republic
Brand	Siemens
Model	3RW4028-1BB14
IP Rating	IP20
Mount Type	Chassis Mount
Overall Length	125mm
Series	3RW40
Overall Width	45mm
Power Rating	18.5kW
Number of Phases	3
Standards/Approvals	CE, EAC, CCC, CSA, UL, ATEX, RCM
Maximum Supply Voltage	480V ac
Overall Depth	154mm
Better World Claim	Concentrated or Compact Solution, Saves Energy

Key Features

Designed for safe start and stop of industrial asynchronous motors to minimize damage.
Regulates voltage for controlled ramp-up and ramp-down during motor operation.
Equipped with intelligent monitoring for protection against overheating and overload.
Includes integrated remote reset system for quick fault clearing without direct device access.
Compact modular design facilitates easy installation and maintenance.
Wide operating temperature range from -25°C to +60°C for harsh industrial environments.
Supports motor variants with adjustable current limitation system for versatile applications.
Compact dimensions of 125mm length, 45mm width, and 154mm depth suitable for limited space use.

Product Description

Siemens 3RW4028-1BB14 is a 3RW40 series soft starter designed to safely start and stop heavy-duty 3-phase asynchronous motors with a power rating of 18.5 kW at 480V AC. This chassis mount device provides IP20 protection and compact dimensions of 125mm (L) x 45mm (W) x 154mm (D), making it suitable for installations where space constraints exist.

This soft starter regulates the voltage supplied to the motor, ensuring controlled ramp-up and ramp-down to significantly reduce mechanical stress and electrical surges, thereby extending motor lifespan and enhancing reliability in industrial applications such as manufacturing, automation systems, and heavy machine operation.

The unit features an intelligent monitoring system enabling protection against overheating and overload conditions, contributing to improved operational safety and performance. It also incorporates a remote reset functionality which facilitates quick fault clearance without physical access to the device, streamlining maintenance efforts.

With a robust build and chassis mounting option, the Siemens 3RW4028-1BB14 soft starter supports a wide ambient temperature range from -25°C to +60°C, ensuring dependable operation even in challenging environmental conditions. The adjustable current limitation feature allows this starter to accommodate various motor types and applications.

Safe and controlled motor start and stop to minimize mechanical and electrical stress. Intelligent system protection against overheating and overload. Integrated remote reset for efficient fault management. Compact dimensions allow installation in restricted spaces.

Wide operational temperature range suited for harsh environments. Adjustable current settings for varied motor compatibility. Chassis mount design for easy panel integration. Compliance with multiple industrial standards including CE, EAC, CCC, CSA, UL, ATEX, and RCM.

This soft starter is manufactured in the Czech Republic and is part of Siemens’ reliable 3RW40 series, ensuring quality and performance trusted in industrial and automation sectors. It supports applications across manufacturing, HVAC systems, water treatment plants, and other heavy machinery requiring smooth motor control.

Explore other Siemens motor starters and Soft Starters at EnvMart to find compatible components for your industrial automation needs.

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Frequently Asked Questions

This model has a power rating of 18.5 kW, making it suitable for heavy-duty 3-phase asynchronous motors.

The maximum supply voltage for this soft starter is 480V AC.

This unit has an IP20 rating, providing protection against solid objects larger than 12.5 mm but not against water.

The compact dimensions of this model are 125 mm in length, 45 mm in width, and 154 mm in depth.

It features a chassis mount design, allowing for easy integration into panels.

It operates effectively in a wide temperature range from -25°C to +60°C, suitable for harsh industrial environments.

The intelligent monitoring system protects against overheating and overload conditions, enhancing operational safety.

Yes, it includes an integrated remote reset system for quick fault clearing without direct access to the device.

It complies with multiple standards including CE, EAC, CCC, CSA, UL, ATEX, and RCM.

Yes, it has an adjustable current limitation feature that allows it to support various motor types and applications.

This soft starter is suitable for applications in manufacturing, HVAC systems, water treatment plants, and other heavy machinery requiring smooth motor control.

It is manufactured in the Czech Republic, ensuring quality and performance.