Key Features
- SIRIUS soft starter: Soft starter with product designation Soft starter.
- S2 size: Size of engine control device: S2.
- Integrated starting and protection functions: Integrated bypass contact system: Yes. Thyristors: Yes. Motor overload protection: Yes. Adjustable current limitation: Yes.
- Operating rating: Operational current at 40 °C rated value: 63 A. At 400 V, standard circuit rated value: 30 kW.
- Electrical supply and connection: Operating voltage at standard circuit rated value: 200 … 480 V. Control supply voltage 1 at AC: 24 V. Control supply voltage 1 at DC: 24 V. Type of electrical connection for main current circuit: screw-type terminals.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Size of engine control device | S2 |
| Integrated bypass contact system | Yes |
| Thyristors | Yes |
| Motor overload protection | Yes |
| Adjustable current limitation | Yes |
| Operational current at 40 °C rated value | 63 A |
| At 400 V – at standard circuit at 40 °C rated value | 30 kW |
| Operating voltage at standard circuit rated value | 200 … 480 V |
| Control supply voltage 1 at AC | 24 V |
| Control supply voltage 1 at DC | 24 V |
| Type of electrical connection for main current circuit | screw-type terminals |
Applications
- Motor soft starting: Soft starting of a motor with adjustable current limitation.
- Motor overload protection: Protection of a motor against overload.
Frequently Asked Questions
What is Siemens 3RW4037-1BB04?
It is a SIRIUS soft starter with S2 size.
What are the key power ratings of 3RW4037-1BB04?
Operational current at 40 °C is 63 A, and at 400 V the standard circuit rated value is 30 kW.
What control supply voltage does 3RW4037-1BB04 use?
Control supply voltage 1 is 24 V AC and 24 V DC.
What type of electrical connection is used on 3RW4037-1BB04?
The main current circuit uses screw-type terminals.
