Product information
Overview
Key Features
- Motor starting control: Soft starter with integrated bypass contact system and thyristors.
- Rated current: Rated operational current is 72 A at 40 °C, 62 A at 50 °C and 60 A at 60 °C.
- Motor overload protection: Has motor overload protection and adjustable current limitation; thermistor motor protection evaluation is not available.
- Main electrical ratings: Supports 400 … 600 V operating voltage at the standard circuit and has a 45 kW rated motor power at 500 V and 40 °C.
- Control supply and connections: Uses AC/DC control supply with 24 V AC or 24 V DC rated value. Main, auxiliary and control circuits use screw-type terminals.
- Mounting and protection: S2 device with screw and snap-on mounting, IP20 front protection, and finger-safe front contact protection.
Technical Summary
| Product type | SIRIUS soft starter |
|---|---|
| Size | S2 |
| Rated operational current at 40 °C | 72 A |
| Rated motor power at 500 V and 40 °C | 45 kW |
| Operating voltage at standard circuit | 400 … 600 V |
| Control supply | 24 V AC/DC |
| Operating frequency | 50 … 60 Hz |
| Main circuit connection | Screw-type terminals |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20 |
Frequently Asked Questions
What is the rated current of Siemens 3RW4038-1BB05?
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 rated motor power is 45 kW at 500 V and 40 °C in the standard circuit.
What control supply does this soft starter use?
The control supply is AC/DC, with a rated value of 24 V AC or 24 V DC.
How is the 3RW4038-1BB05 mounted and connected?
It uses screw and snap-on mounting. The main, auxiliary and control circuits use screw-type terminals.
What should I provide for a quotation?
Please provide the required quantity and destination for model-specific quotation support.
