Product Description
Key Features
- Rated current and motor power: Rated current: 63 A at 40 °C; motor power: 30 kW at 400 V in the standard circuit at 40 °C.
- Operating and control supply: Operating voltage: 200 … 480 V; operating frequency: 50 … 60 Hz; control supply: 24 V AC/DC.
- Soft-start functions: Has an integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
- Protection and exclusions: Protection class on the front: IP20. Evaluation of thermistor motor protection, inside-delta circuit, and motor brake output are not included.
- Mounting and dimensions: Size: S2; dimensions: 55 mm wide, 160 mm high, and 170 mm deep. Mounting: screw and snap-on mounting.
- Electrical connections: Main, auxiliary, and control circuits use screw-type terminals. The unit has 3 poles for the main current circuit, 2 NO auxiliary contacts, and 1 CO auxiliary contact.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Rated current at 40 °C | 63 A |
| Motor power at 400 V | 30 kW |
| Operating voltage | 200 … 480 V |
| Control supply | 24 V AC/DC |
| Operating frequency | 50 … 60 Hz |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20 according to IEC 60529 |
| Electrical connection | Screw-type terminals |
| Lifecycle | Active Product |
| Product brand name | SIRIUS |
Frequently Asked Questions
What is the exact product designation of Siemens 3RW4037-1BB04?
It is the SIRIUS Soft starter, order number 3RW4037-1BB04.
What rated current and motor power does this soft starter have?
Rated current is 63 A at 40 °C, and motor power is 30 kW at 400 V in the standard circuit at 40 °C.
What control supply does 3RW4037-1BB04 use?
The control supply is 24 V AC/DC.
How is this soft starter mounted and connected?
It uses screw and snap-on mounting and screw-type terminals for the main, auxiliary, and control circuits.
