Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Rated current at 40 °C | 38 A |
| Rated power at 500 V | 22 kW |
| Rated operating voltage | 400 … 600 V |
| Control supply voltage | 110 … 230 V AC/DC |
| Mounting method | screw and snap-on mounting |
| Front protection | IP20 |
Key Features
- Soft starter rating: 38 A rated current at 40 °C and 22 kW at 500 V in a standard circuit.
- Operating voltage: 400 … 600 V rated operating voltage at the standard circuit.
- Control supply: 110 … 230 V AC/DC control supply voltage.
- Motor protection: Has intrinsic device protection and motor overload protection.
- Current limitation and reset: Has adjustable current limitation and external reset.
- Connection and mounting: Has screw-type terminals for the main, auxiliary, and control circuits; mounting is by screw and snap-on mounting.
Frequently Asked Questions
1. What is the rated current of Siemens 3RW4028-1BB15?
The rated current is 38 A at 40 °C, 34 A at 50 °C, and 31 A at 60 °C.
2. What operating voltage does this soft starter support?
Its rated operating voltage is 400 … 600 V at the standard circuit.
3. What control supply does the 3RW4028-1BB15 use?
The control supply is 110 … 230 V AC/DC.
4. What terminals and mounting method does it have?
It has screw-type terminals for the main, auxiliary, and control circuits, with screw and snap-on mounting.
