Product Overview
Technical Summary
| Product designation | Soft starter |
|---|---|
| Rated operational current at 40 °C | 63 A |
| Motor rating at 500 V | 37 kW |
| Operating voltage at standard circuit | 400 … 600 V |
| Operating frequency | 50 … 60 Hz |
| Control supply voltage | 24 V AC/DC |
| Integrated bypass contact system | Yes |
| Motor overload protection | Yes |
| Adjustable current limitation | Yes |
| Fastening method | screw and snap-on mounting |
| Front protection class | IP20 |
| Product lifecycle | Active Product |
Key Features
63 A at 40 °C; 58 A at 50 °C and 53 A at 60 °C.
37 kW at 500 V in a standard circuit at 40 °C.
24 V AC/DC, with 50 Hz and 60 Hz AC control supply frequency.
Has intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
Has an integrated bypass contact system and thyristors.
Screw-type terminals for the main current circuit and auxiliary and control circuit.
Frequently Asked Questions
What is the exact product designation?
The product designation is Siemens SIRIUS 3RW4037-1BB05 soft starter.
What current and motor rating does this configuration support?
The rated operational current is 63 A at 40 °C, and the motor rating is 37 kW at 500 V in a standard circuit at 40 °C.
What control supply and terminals are provided?
The control supply is 24 V AC/DC, and screw-type terminals are provided for the main current circuit and auxiliary and control circuit.
How is the device mounted and protected?
It uses screw and snap-on mounting and has IP20 protection on the front according to IEC 60529.
What should be included in a project quotation request?
Include the requested quantity, destination, schedule context, and any additional BOM line items.
