Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | SIRIUS soft starter |
| Rated current at 40 °C | 63 A |
| Rated power at 500 V and 40 °C | 37 kW |
| Operating voltage | 400 … 600 V |
| Operating frequency | 50 … 60 Hz |
| Control supply | 110 … 230 V AC/DC |
| Main circuit connection | Screw-type terminals |
| Auxiliary contacts | 0 NC, 2 NO, 1 CO |
| Mounting | Screw and snap-on mounting |
| Front protection class | IP20 |
| Size | S2 |
Key Features
- Rated current and power: Rated current: 63 A at 40 °C; 58 A at 50 °C; 53 A at 60 °C. Rated power at standard circuit: 30 kW at 400 V and 37 kW at 500 V, both at 40 °C.
- Operating voltage and frequency: Operating voltage at standard circuit: 400 … 600 V with -15 % relative negative tolerance and 10 % relative positive tolerance. Rated operating frequency: 50 … 60 Hz with -10 % and 10 % relative tolerances.
- Control supply: Control supply voltage: 110 … 230 V AC at 50 Hz and 60 Hz, or 110 … 230 V DC. Control supply voltage type: AC/DC.
- Protection and control functions: The soft starter has intrinsic device protection, motor overload protection, external reset, and adjustable current limitation. Thermistor motor protection evaluation, inside-delta circuit, and motor brake output are not included.
- Terminals and auxiliary contacts: Main, auxiliary, and control circuits use screw-type terminals. Auxiliary contacts: 0 NC, 2 NO, and 1 CO.
- S2 installation data: Size: S2. Dimensions: 55 mm width, 160 mm height, and 170 mm depth. Fastening method: screw and snap-on mounting. Front protection class: IP20.
Frequently Asked Questions
1. What is the rated current of the Siemens 3RW4037-1BB15?
The rated current is 63 A at 40 °C, 58 A at 50 °C, and 53 A at 60 °C.
2. What motor power is supported at 500 V?
The rated power at a standard circuit is 37 kW at 500 V and 40 °C.
3. What control supply does this soft starter use?
The control supply is 110 … 230 V AC at 50 Hz and 60 Hz, or 110 … 230 V DC.
4. How is the 3RW4037-1BB15 mounted and connected?
It uses screw and snap-on mounting. Main, auxiliary, and control circuits use screw-type terminals.
5. Which functions are not included?
It is without thermistor motor protection evaluation, inside-delta circuit, and motor brake output.
