SIRIUS soft starter S0 25 A-3RW4026-1TB04

Product Description

Siemens SIRIUS Soft Starter 25A, 11kW – 3RW4026-1TB04

The Siemens 3RW4026-1TB04 is a SIRIUS 3RW40 series Soft Starter designed for the smooth starting and stopping of three-phase induction motors. It minimizes mechanical stress, reduces starting current, and improves the operational life of motors and connected equipment. With a rated current of 25A and motor power rating of 11kW at 400V AC, this soft starter is ideal for pumps, fans, compressors, conveyors, and industrial machinery. It features integrated motor protection, adjustable current limiting, thermistor motor protection, and an internal bypass contact system for energy-efficient operation.

Key Features

• Siemens SIRIUS 3RW40 series Soft Starter
• Part Number: 3RW4026-1TB04
• Soft starter for three-phase induction motors
• Rated operational current: 25A
• Motor power rating: 11kW at 400V AC
• Operating voltage range: 200–480V AC
• Control supply voltage: 24V AC/DC
• Integrated bypass contact system for reduced power losses
• Adjustable current limiting function
• Built-in motor overload protection
• Thermistor motor protection input
• Thyristor-controlled soft starting and stopping
• External reset capability
• Compact S0 frame size design
• Screw terminal connections
• High operational reliability and long service life
• Reduces mechanical wear and electrical stress during motor startup
• Suitable for pumps, fans, compressors, conveyors, and industrial machines
• Complies with IEC 60947-4-2 standards