Key Features
- Soft starter S2: SIRIUS soft starter with size S2.
- 72 A rated current: Operational current at 40 °C rated value: 72 A.
- 45 kW/500 V: At 500 V, the standard circuit rated value is 45 kW at 40 °C.
- 24 V AC/DC control supply: Control supply voltage 1 is 24 V at AC and 24 V at DC.
- Screw terminals: Main current circuit and auxiliary and control circuit use screw-type terminals.
- Screw and snap-on mounting: Fastening method: screw and snap-on mounting.
Technical Summary
| product designation | Soft starter |
|---|---|
| size of engine control device | S2 |
| product lifecycle | Active Product |
| operational current at 40 °C rated value | 72 A |
| operating voltage at standard circuit rated value | 400 … 600 V |
| at 500 V – at standard circuit at 40 °C rated value | 45 kW |
| type of voltage of the control supply voltage | AC/DC |
| control supply voltage 1 at AC at 50 Hz rated value | 24 V |
| fastening method | screw and snap-on mounting |
| type of electrical connection for main current circuit | screw-type terminals |
Applications
- Motor starting with current limitation: Motor starting with adjustable current limitation.
- Motor overload protection: Protection of a motor against overload.
Frequently Asked Questions
What is Siemens 3RW4038-1BB05?
It is a SIRIUS soft starter S2.
What are the rated current and power values for 3RW4038-1BB05?
Operational current at 40 °C rated value is 72 A, and at 500 V the standard circuit rated value is 45 kW.
What control supply voltage does 3RW4038-1BB05 use?
The control supply voltage is 24 V AC/DC.
What type of terminals and mounting does 3RW4038-1BB05 have?
It uses screw-type terminals and screw and snap-on mounting.
