Key Features
- Soft starter, size S2: Product designation: Soft starter. Size of engine control device: S2.
- 63 A operating current and 37 kW at 500 V: At 40 °C rated value: 63 A. At 500 V, standard circuit, 40 °C rated value: 37 kW.
- 24 V AC/DC control supply: Type of voltage of the control supply voltage: AC/DC. Control supply voltage 1 at AC: 24 V. Control supply voltage 1 at DC: 24 V.
- Main protection and starting functions: Integrated bypass contact system: Yes. Thyristors: Yes. Intrinsic device protection: Yes. Motor overload protection: Yes. Adjustable current limitation: Yes.
- Screw-terminal connections: Type of electrical connection for main current circuit: screw-type terminals. Type of electrical connection for auxiliary and control circuit: screw-type terminals.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Size of engine control device | S2 |
| Operating current at 40 °C | 63 A |
| Power at 500 V | 37 kW |
| Operating voltage at standard circuit | 400 … 600 V |
| Control supply voltage | 24 V AC/DC |
| Operating frequency | 50 … 60 Hz |
| Integrated bypass contact system | Yes |
| Thyristors | Yes |
| Motor overload protection | Yes |
| Type of electrical connection for main current circuit | screw-type terminals |
| Protection class IP on the front according to IEC 60529 | IP20 |
Applications
- Motor soft starting with current limitation: For starting a motor with adjustable current limitation.
- Motor overload protection: For protecting a motor against overload conditions.
Frequently Asked Questions
What is Siemens 3RW4037-1BB05?
It is a SIRIUS soft starter in size S2.
What control supply voltage does 3RW4037-1BB05 use?
The control supply voltage is 24 V AC/DC.
What are the main current ratings for 3RW4037-1BB05?
At 40 °C, the rated operating current is 63 A, and at 500 V the rated power is 37 kW.
What type of terminal connection does 3RW4037-1BB05 use?
The main current circuit and the auxiliary/control circuit both use screw-type terminals.
