Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Rated current at 40 °C | 80 A |
| Operating voltage | 200 … 480 V |
| Motor power at 400 V | 45 kW |
| Control supply | 110 … 230 V AC/DC |
| Operating frequency | 50 … 60 Hz |
| Size | S3 |
| Mounting | Screw and snap-on mounting |
| Main circuit connection | Screw-type terminals |
| Front protection | IP20 |
| Operating ambient temperature | -25 … +60 °C |
Key Features
- Rated current: 80 A at 40 °C; 73 A at 50 °C and 66 A at 60 °C.
- Motor power: 45 kW at 400 V and 22 kW at 230 V in the standard circuit at 40 °C rated value.
- Operating voltage: 200 … 480 V in the standard circuit, with -15 % relative negative tolerance and 10 % relative positive tolerance.
- Control supply: AC/DC control supply; 110 … 230 V AC at 50 Hz or 60 Hz, and 110 … 230 V DC.
- Protection and control functions: Has intrinsic device protection, motor overload protection, external reset, adjustable current limitation, thyristors, and an integrated bypass contact system.
- Connection and mounting: Has screw-type terminals for the main, auxiliary, and control circuits; fastening uses screw and snap-on mounting.
Frequently Asked Questions
1. What is the rated current of Siemens 3RW4046-1BB14?
The rated current is 80 A at 40 °C, 73 A at 50 °C, and 66 A at 60 °C.
2. What operating voltage does this soft starter support?
It supports 200 … 480 V in the standard circuit, with -15 % relative negative tolerance and 10 % relative positive tolerance.
3. What control supply is required?
The control supply is AC/DC: 110 … 230 V AC at 50 Hz or 60 Hz, or 110 … 230 V DC.
4. How is the unit connected and mounted?
The main, auxiliary, and control circuits use screw-type terminals. Fastening uses screw and snap-on mounting.
