Siemens Soft Starter 3RW4028-1BB04

Siemens 3RW4028-1BB04 is a SIRIUS soft starter designed to smooth the starting and stopping process of three-phase induction motors, featuring an integrated bypass contact system and motor overload protection. 

Technical Specification:

• Product Type: SIRIUS 3RW40 soft starter.
• Rated Operating Current (at 40 °C): 38 A
• Rated Motor Power (inline, at 400 V): 18.5 kW
• Dimensions (L x W x H): approx. 154 x 45 x 170 mm (dimensions may vary slightly by source)
• Net Weight: approx. 0.714 kg.

Claimed to be a compact solution that helps save energy by efficiently controlling motor starts and reducing current peaks.