Product Description
Key Features
- Rated performance: Operational current: 32 A at 40 °C. Standard-circuit motor rating: 15 kW at 400 V and 7.5 kW at 230 V.
- Voltage and control supply: Operating voltage: 200 … 480 V. Control supply: 110 … 230 V AC/DC.
- Soft-starter functions: Has an integrated bypass contact system, thyristors, motor overload protection, external reset, and adjustable current limitation.
- Electrical connections: Main current circuit and auxiliary/control circuit use screw-type terminals. The main current circuit has 3 poles.
- Mechanical installation: Size: S0. Dimensions: 45 mm width, 125 mm height, and 155 mm depth. Fastening: screw and snap-on mounting.
- Protection and lifecycle: Front protection class: IP20. Product lifecycle: Active Product.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Rated operational current at 40 °C | 32 A |
| Standard-circuit rating at 400 V and 40 °C | 15 kW |
| Operating voltage at standard circuit | 200 … 480 V |
| Control supply voltage | 110 … 230 V AC/DC |
| Motor overload protection | Yes |
| Main current circuit connection | Screw-type terminals |
| Fastening method | Screw and snap-on mounting |
| Front protection class | IP20 |
| Product lifecycle | Active Product |
Frequently Asked Questions
What exact product designation should be confirmed for this Siemens unit?
The product designation is Soft starter, and the exact order number is 3RW4027-1BB14.
What are the rated current and motor rating?
The rated operational current is 32 A at 40 °C. The standard-circuit rating is 15 kW at 400 V and 7.5 kW at 230 V.
What control supply does the 3RW4027-1BB14 use?
The control supply is 110 … 230 V AC/DC.
What mounting and connection details should be checked?
It uses screw and snap-on mounting. The main current circuit and auxiliary/control circuit use screw-type terminals.
