Key Features
- Soft starter S3: SIRIUS soft starter S3 with product designation Soft starter.
- Electrical ratings: 106 A at 40 °C, 75 kW at 500 V, and operating voltage 400 … 600 V.
- Control and connections: 24 V AC/DC control supply voltage and screw-type terminals for the main current circuit and auxiliary and control circuit.
- Built-in functions: Integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
Technical Summary
| Product brand name | SIRIUS |
|---|---|
| Product designation | Soft starter |
| Operational current at 40 °C rated value | 106 A |
| At 500 V power | 75 kW |
| Operating voltage at standard circuit rated value | 400 … 600 V |
| Type of voltage of the control supply voltage | AC/DC |
| Control supply voltage 1 at AC at 50 Hz rated value | 24 V |
| Control supply voltage 1 at DC rated value | 24 V |
| Protection class IP on the front according to IEC 60529 | IP20 |
| Fastening method | screw and snap-on mounting |
| Type of electrical connection for main current circuit | screw-type terminals |
| Product lifecycle | Active Product |
Applications
- Motor soft starting: Soft starter function for controlled motor starting.
- Motor overload protection: Motor overload protection for the connected motor circuit.
- Current-limited motor starting: Adjustable current limitation for reducing the starting current of the motor.
Frequently Asked Questions
What is Siemens 3RW4047-1BB05?
It is a SIRIUS soft starter S3.
What are the rated current and power of Siemens 3RW4047-1BB05?
The rated current is 106 A at 40 °C, and the power is 75 kW at 500 V.
What control supply voltage does Siemens 3RW4047-1BB05 use?
The control supply voltage is 24 V AC/DC.
What connection type and mounting method does Siemens 3RW4047-1BB05 have?
It uses screw-type terminals and screw and snap-on mounting.
