Product Overview
Technical Summary
| Rated current at 40 °C | 106 A |
|---|---|
| Power at 500 V | 75 kW at standard circuit at 40 °C |
| Operating voltage | 400 … 600 V at 500 V |
| Control supply | 110 … 230 V AC/DC |
| Control supply frequency | 50 Hz and 60 Hz |
| Main and auxiliary connections | Screw-type terminals |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20; finger-safe for vertical contact from the front |
| Operating ambient temperature | -25 … +60 °C during operation |
| Product lifecycle | Active Product |
Key Features
106 A at 40 °C; 98 A at 50 °C and 90 A at 60 °C.
75 kW at 500 V in a standard circuit at 40 °C; operating voltage: 400 … 600 V at 500 V.
110 … 230 V AC/DC control supply; rated control supply frequency: 50 Hz and 60 Hz.
Integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
Screw-type terminals for the main, auxiliary, and control circuits; screw and snap-on mounting.
70 mm wide, 170 mm high, and 190 mm deep; front protection class IP20 with finger-safe front contact protection.
Frequently Asked Questions
What is the exact Siemens line item?
It is Siemens 3RW4047-1BB15, a SIRIUS S3 soft starter.
What rated current and power are supported?
Rated current is 106 A at 40 °C, and power is 75 kW at 500 V in a standard circuit at 40 °C.
What control supply does it use?
The control supply is 110 … 230 V AC/DC, with rated control supply frequencies of 50 Hz and 60 Hz.
How is the unit connected and mounted?
It has screw-type terminals for the main, auxiliary, and control circuits and supports screw and snap-on mounting.
