Siemens 3RW4028-1BB14 Lenze Construction: Heavy-duty die-cast metal

Construction: Heavy-duty die-cast metal

Color Code: Light Blue

Isolation: Channel-to-system isolation for signal integrity

Multi-Device Communication: Two ports for flexible configuration

Diagnostic LEDs for bus and system status

Siemens 3RW4028-1BB14 Lenze Construction: Heavy-duty die-cast metalSiemens 3RW4028 1BB14 SIRIUS 57A Soft Starter with 24V Control for Smooth Motor Starting Overview The Siemens 3RW4028 1BB14 is a solid state soft starter from the SIRIUS 3RW40 series, designed to reduce mechanical stress and inrush current when starting three phase motors up to 30 kW (at 400V). It supports a rated operational current of 57A, operates on a 400V AC main circuit, and uses a 24V AC DC control voltage. The device features an integrated