Technical Summary
| Product brand name | SIRIUS |
|---|---|
| Product designation | Soft starter |
| Size of engine control device | S3 |
| Operational current at 40 °C rated value | 106 A |
| Power at 500 V at standard circuit at 40 °C rated value | 75 kW |
| Operating voltage at standard circuit rated value | 400 … 600 V |
| Control supply voltage | 24 V AC/DC |
| Type of electrical connection for main current circuit | screw-type terminals |
| Type of electrical connection for auxiliary and control circuit | screw-type terminals |
| Fastening method | screw and snap-on mounting |
| Protection class IP on the front according to IEC 60529 | IP20 |
Applications
Soft starting for a motor using adjustable current limitation.
Motor overload protection and intrinsic device protection in a starter circuit.
Connection of a 24 V AC/DC control supply and screw-type terminal wiring in a starter installation.
Key Features
Soft starter with product designation Soft starter and SIRIUS brand name.
Size of engine control device: S3. Rated value at 40 °C: 106 A. Power at 500 V: 75 kW.
Control supply voltage: 24 V AC/DC. Main current circuit and auxiliary/control circuit use screw-type terminals.
Integrated bypass contact system: Yes. Thyristors: Yes. Adjustable current limitation: Yes.
Intrinsic device protection: Yes. Motor overload protection: Yes. External reset: Yes.
Width 70 mm, height 170 mm, depth 190 mm. Fastening method: screw and snap-on mounting. Front protection: IP20.
Frequently Asked Questions
What is Siemens 3RW4047-1BB05?
It is a SIRIUS soft starter in size S3.
What are the main electrical ratings of 3RW4047-1BB05?
The rated current at 40 °C is 106 A, and the power at 500 V is 75 kW.
What control supply does 3RW4047-1BB05 use?
The control supply voltage is 24 V AC/DC.
How is 3RW4047-1BB05 connected?
The main current circuit and the auxiliary/control circuit use screw-type terminals.
What lifecycle status is listed for 3RW4047-1BB05?
Active Product.
