Product Description
Key Features
- Rated current and power: Rated current: 32 A at 40 °C; standard-circuit motor rating: 18.5 kW at 500 V and 15 kW at 400 V.
- Operating voltage and frequency: Rated operating voltage: 400 … 600 V; rated operating frequency: 50 … 60 Hz.
- Control supply: Control supply: AC/DC, 24 V at AC 50 Hz, AC 60 Hz and DC.
- Control and protection functions: Has an integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset and adjustable current limitation.
- Connections and mounting: Has screw-type terminals for the main current, auxiliary and control circuits; fastening uses screw and snap-on mounting.
- Physical and protection data: Size S0; dimensions: 45 mm wide, 125 mm high and 155 mm deep; front protection class: IP20.
Technical Summary
| Product lifecycle | Active Product |
|---|---|
| Rated current at 40 °C | 32 A |
| Rated operating voltage | 400 … 600 V |
| Rated operating frequency | 50 … 60 Hz |
| Motor rating at 500 V, standard circuit, 40 °C | 18.5 kW |
| Control supply | 24 V AC/DC |
| Main, auxiliary and control connections | Screw-type terminals |
| Fastening method | Screw and snap-on mounting |
| Front protection class | IP20 |
| Installation altitude | 5 000 m |
Frequently Asked Questions
What exact current and power ratings should be checked for Siemens 3RW4027-1BB05?
Check 32 A at 40 °C and 18.5 kW at 500 V in a standard circuit; the 400 V rating is 15 kW at 40 °C.
What supply and control connections does this soft starter use?
The operating voltage is 400 … 600 V at 50 … 60 Hz, the control supply is 24 V AC/DC, and the connections use screw-type terminals.
What physical configuration should be confirmed for an installed-part match?
Confirm size S0, dimensions of 45 mm x 125 mm x 155 mm, and screw and snap-on mounting.
