3RW4028-1BB04, Siemens Soft Starter, Soft Start, 18.5 kW, 400 V ac, 3 Phase, IP00

Siemens Motor Adjustable Soft Starter, 400V AC, 18.5kW - 3RW4 Series - 3RW4028-1BB04

Attach this Siemens soft starter to your equipment to control the stop and start-up process of three-induction motors. It releases current at a moderate pace, making it suitable for use in motors that run on 18.5kW power. The insulation voltage of 600V means it won't overheat even in demanding environments. As the unit works with a maximum cable length of 300m, it's a versatile choice for use in large workspaces. Use it to help start-up all kinds of industrial machinery.

• Screw terminals for direct and secure electrical connection
• Ambient temperature range between -25°C and +60°C for safe use in demanding environments
• Ingress protection (IP) rating of IP20 protects against contact with items up to 12.5mm in size
• Safe to use in hazardous environments
• Motor-overload protection prevents damage from excessive current

How do I adjust the settings of this Siemens soft starter?

You can manually tweak the settings of this component using the four rotary switches in the front of the enclosure. These can adjust the current limitation, overload trip time and reset the unit after use.

Datasheet - 3RW4028-1BB04

Catalogue - Switching devices Soft starters and solid-state switching devices