Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Rated operational current at 40 °C | 12.5 A |
| Standard-circuit power at 500 V and 40 °C | 7.5 kW |
| Standard-circuit operating voltage | 400 … 600 V |
| Control supply | 24 V AC/DC |
| Operating frequency | 50 … 60 Hz |
| Main circuit connection | Screw-type terminals |
| Mounting method | Screw and snap-on mounting |
| Device size | S0 |
| Front protection class | IP20 |
| Operating ambient temperature | -25 … +60 °C |
Applications
- Motor starting control: Provides soft starter control with adjustable current limitation and motor overload protection.
Key Features
- Soft starter rating: S0 soft starter with 12.5 A rated current at 40 °C and 7.5 kW at 500 V in the standard circuit at 40 °C.
- Main circuit voltage: Operating voltage at the standard circuit: 400 … 600 V, with a relative negative tolerance of -15 % and a relative positive tolerance of 10 %.
- Control supply: AC/DC control supply with 24 V at AC 50 Hz, AC 60 Hz, and DC; the relative tolerance is -20 % to 20 %.
- Protection and current control: Has intrinsic device protection, motor overload protection, external reset, and adjustable current limitation. Evaluation of thermistor motor protection is No.
- Connections and mounting: Uses screw-type terminals for the main, auxiliary, and control circuits. Mounting is by screw and snap-on mounting; device size is S0.
- Operating conditions: Ambient temperature during operation is -25 … +60 °C. Front protection class is IP20, with finger-safe protection for vertical contact from the front.
Frequently Asked Questions
1. What is the rated current and power of the Siemens 3RW4024-1BB05?
The rated operational current is 12.5 A at 40 °C. The standard-circuit power is 7.5 kW at 500 V and 40 °C.
2. What control supply does this soft starter use?
It uses an AC/DC control supply. The control supply voltage is 24 V at AC 50 Hz, AC 60 Hz, and DC, with -20 % to 20 % tolerance.
3. What terminals and mounting method does it have?
It has screw-type terminals for the main, auxiliary, and control circuits. Mounting is by screw and snap-on mounting.
4. Does the device include motor overload protection and adjustable current limitation?
Yes. It has motor overload protection and adjustable current limitation. Evaluation of thermistor motor protection is No.
