Product information
Overview
Key Features
- Rated motor performance: Rated operational current: 63 A at 40 °C; standard-circuit motor performance: 30 kW at 400 V and 18.5 kW at 230 V.
- Operating voltage and frequency: Rated operating voltage: 200 … 480 V with -15 % relative negative tolerance and 10 % relative positive tolerance; rated operating frequency: 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.
- Control supply: Control supply type: AC/DC; control supply voltage: 24 V AC at 50 Hz or 60 Hz and 24 V DC, with -20 % and 20 % tolerances.
- Screw-type terminals and mounting: Has screw-type terminals for the main current, auxiliary, and control circuits; fastening method: screw and snap-on mounting.
Technical Summary
| Product type | SIRIUS S2 soft starter |
|---|---|
| Rated operational current | 63 A at 40 °C; 58 A at 50 °C; 53 A at 60 °C |
| Rated motor performance | 30 kW at 400 V; 18.5 kW at 230 V, standard circuit at 40 °C |
| Operating voltage | 200 … 480 V, standard circuit |
| Control supply | 24 V AC/DC |
| Operating frequency | 50 … 60 Hz |
| Protection functions | Motor overload protection, intrinsic device protection, adjustable current limitation, external reset |
| Mechanical size | S2; 55 mm width x 160 mm height x 170 mm depth |
| Mounting | Screw and snap-on mounting |
| Connections | Screw-type terminals for main current, auxiliary, and control circuits |
| Front protection | IP20 according to IEC 60529 |
| Operating ambient temperature | -25 … +60 °C |
Frequently Asked Questions
What is the rated current of Siemens 3RW4037-1BB04?
Its rated operational current is 63 A at 40 °C, 58 A at 50 °C, and 53 A at 60 °C.
What motor performance does the 3RW4037-1BB04 support?
At the standard circuit and 40 °C, the rated motor performance is 30 kW at 400 V and 18.5 kW at 230 V.
What control supply does this soft starter require?
The control supply is AC/DC: 24 V AC at 50 Hz or 60 Hz, or 24 V DC, with -20 % and 20 % tolerances.
How is the 3RW4037-1BB04 connected and mounted?
It has screw-type terminals for the main current, auxiliary, and control circuits, and supports screw and snap-on mounting.
