Product information
Overview
Key Features
- Rated current and motor power: Rated operational current: 72 A at 40 °C. Standard-circuit motor power: 37 kW at 400 V and 45 kW at 500 V at 40 °C.
- Operating voltage and frequency: Rated operating voltage: 400 … 600 V. Rated operating frequency at 500 V: 50 … 60 Hz.
- Motor protection and control: Has motor overload protection, adjustable current limitation, intrinsic device protection, and external reset.
- Integrated bypass and thyristors: Has an integrated bypass contact system and thyristors. Inside-delta circuit and motor brake output are not included.
- Control supply: AC/DC control supply with 110 … 230 V AC at 50 Hz or 60 Hz, and 110 … 230 V DC.
- Mounting, connections, and protection: S2 size with screw and snap-on mounting, screw-type terminals, and IP20 front protection according to IEC 60529.
Technical Summary
| Product | Siemens 3RW4038-1BB15 SIRIUS soft starter |
|---|---|
| Rated operational current | 72 A at 40 °C |
| Motor power | 37 kW at 400 V; 45 kW at 500 V, standard circuit, at 40 °C |
| Operating voltage | 400 … 600 V |
| Operating frequency | 50 … 60 Hz at 500 V |
| Control supply | 110 … 230 V AC/DC |
| Main current circuit | 3 poles |
| Mounting | Screw and snap-on mounting |
| Connection | Screw-type terminals for main, auxiliary, and control circuits |
| Front protection | IP20 according to IEC 60529 |
| Ambient temperature during operation | -25 … +60 °C |
Frequently Asked Questions
What is the rated operational current of Siemens 3RW4038-1BB15?
The rated operational current is 72 A at 40 °C, 62 A at 50 °C, and 60 A at 60 °C.
What motor power is supported at 500 V?
The standard-circuit motor power is 45 kW at 500 V and 40 °C.
How is this soft starter mounted and connected?
It uses screw and snap-on mounting and screw-type terminals for the main current, auxiliary, and control circuits.
Which configuration details should be included for a quotation?
Provide the required quantity and destination for quotation review.
