Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Rated current at 40 °C | 32 A |
| Rated motor power at 500 V | 18.5 kW |
| Rated operating voltage | 400 … 600 V |
| Rated operating frequency | 50 … 60 Hz |
| Control supply voltage | 24 V AC/DC |
| Main circuit connection | Screw-type terminals |
| Mounting method | Screw and snap-on mounting |
| Front protection | IP20 according to IEC 60529 |
Key Features
- Soft starter rating: S0 soft starter with 32 A rated current at 40 °C and 18.5 kW at 500 V in a standard circuit at 40 °C.
- Operating voltage and frequency: Rated operating voltage: 400 to 600 V. Rated operating frequency: 50 … 60 Hz.
- Control supply: AC/DC control supply with 24 V rated control supply voltage at AC and DC.
- Protection and current control: Has intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
- Connections and contacts: Screw-type terminals for the main, auxiliary, and control circuits; 2 NO and 1 CO auxiliary contacts.
- Mounting and enclosure: S0 device with screw and snap-on mounting, 45 mm width, 125 mm height, 155 mm depth, and IP20 front protection.
Frequently Asked Questions
1. What rated current and motor power does Siemens 3RW4027-1BB05 have?
It has 32 A rated current at 40 °C and 18.5 kW at 500 V in a standard circuit at 40 °C.
2. What operating voltage and frequency does this soft starter support?
The rated operating voltage is 400 … 600 V, and the rated operating frequency is 50 … 60 Hz.
3. What control supply does 3RW4027-1BB05 use?
The control supply is AC/DC, with a rated control supply voltage of 24 V for AC and DC.
4. How is the soft starter connected and mounted?
It uses screw-type terminals for the main, auxiliary, and control circuits and supports screw and snap-on mounting.
