Product Overview
Technical Summary
| Product designation | Soft starter |
|---|---|
| Rated current at 40 °C | 63 A |
| Motor rating at 400 V | 30 kW |
| Operating voltage at standard circuit | 200 … 480 V |
| Control supply | 24 V AC/DC |
| Main circuit connection | Screw-type terminals |
| Size | S2 |
| Fastening method | Screw and snap-on mounting |
| Front protection class | IP20 |
| Operating ambient temperature | -25 … +60 °C |
| Product lifecycle | Active Product |
Key Features
Rated current: 63 A at 40 °C; motor rating at standard circuit: 30 kW at 400 V and 18.5 kW at 230 V.
Operating voltage: 200 … 480 V at standard circuit. Control supply: AC/DC, 24 V at 50 Hz, 60 Hz, and DC.
Has thyristors, an integrated bypass contact system, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
Main, auxiliary, and control circuits use screw-type terminals. The device has 0 NC, 2 NO, and 1 CO auxiliary contacts.
Size: S2. Dimensions: 55 mm width, 160 mm height, and 170 mm depth. Fastening: screw and snap-on mounting.
Front protection class: IP20. Ambient temperature during operation: -25 … +60 °C; derating temperature: 40 °C.
Frequently Asked Questions
What is the exact product designation and rated current of Siemens 3RW4037-1BB04?
It is a SIRIUS S2 soft starter with a rated current of 63 A at 40 °C.
What operating voltage and motor rating does this soft starter have?
The operating voltage is 200 … 480 V at standard circuit, with a motor rating of 30 kW at 400 V and 18.5 kW at 230 V.
What control supply and terminals are provided?
The control supply is 24 V AC/DC at 50 Hz, 60 Hz, and DC. Main, auxiliary, and control circuits use screw-type terminals.
How is the 3RW4037-1BB04 mounted and protected?
It uses screw and snap-on mounting, has dimensions of 55 mm x 160 mm x 170 mm, and provides IP20 protection on the front.
What should be included when requesting this line item for a project quotation?
Provide the requested quantity, destination, schedule context, and any additional BOM lines.
