Technical Summary
| Product brand name | SIRIUS |
|---|---|
| Product designation | Soft starter |
| Size of engine control device | S0 |
| Operational current at 40 °C | 38 A |
| Power at 500 V | 22 kW |
| Operating voltage at standard circuit | 400 … 600 V |
| Control supply voltage | 110 … 230 V AC/DC |
| Main current circuit connection | screw-type terminals |
| Auxiliary and control circuit connection | screw-type terminals |
| Fastening method | screw and snap-on mounting |
| Protection class IP on the front according to IEC 60529 | IP20 |
| Product lifecycle | Active Product |
Applications
Soft-starting a motor with adjustable current limitation.
Protecting a motor with built-in overload protection and intrinsic device protection.
Key Features
Soft starter with S0 size and product lifecycle: Active Product.
Rated current at 40 °C: 38 A. Power at 500 V: 22 kW.
Operating voltage: 400 … 600 V. Control supply voltage: 110 … 230 V AC/DC.
Integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
Screw-type terminals for the main current circuit and for the auxiliary and control circuit.
Frequently Asked Questions
What is Siemens 3RW4028-1BB15?
It is a SIRIUS soft starter in S0 size.
What are the key ratings of 3RW4028-1BB15?
Rated current at 40 °C: 38 A. Power at 500 V: 22 kW. Operating voltage: 400 … 600 V. Control supply voltage: 110 … 230 V AC/DC.
What connection type does 3RW4028-1BB15 use?
It uses screw-type terminals for the main current circuit and for the auxiliary and control circuit.
What is the lifecycle status of 3RW4028-1BB15?
Product lifecycle: Active Product.
