The Siemens 3RW3018-1BB04 is a reliable SIRIUS 3RW30 Soft Starter designed for the smooth starting and stopping of three-phase induction motors. It minimizes mechanical stress, reduces starting current, and protects electrical systems from voltage dips during motor startup. With a rated current of 17.6A and motor power capacity of 7.5 kW at 400V, this compact soft starter is ideal for pumps, compressors, conveyors, fans, and other industrial motor applications. The integrated bypass contact system helps reduce heat generation and power losses, improving efficiency and extending equipment life.
• Siemens SIRIUS 3RW30 Soft Starter
• Part Number: 3RW3018-1BB04
• Rated Current: 17.6A
• Motor Rating: 7.5 kW at 400V AC
• Operating Voltage: 200–480V AC
• Control Voltage: 24V AC/DC
• Compact S00 Frame Size Design
• Smooth Motor Starting and Stopping
• Reduces Starting Current and Mechanical Stress
• Integrated Bypass Contacts for Lower Heat Dissipation
• Adjustable Starting Voltage and Ramp Time
• DIN Rail or Panel Mounting Compatible
• Screw Terminal Connections
• Suitable for Three-Phase Asynchronous Motors
• Improves Motor and Equipment Lifespan
• Ideal for Pumps, Fans, Conveyors, Compressors, and Industrial Machinery
• Complies with IEC 60947-4-2 Standards
• Space-Saving Industrial Design
• High Reliability and Easy Installation
| Parameter | Specification |
|---|---|
| Product Series | Siemens SIRIUS 3RW30 |
| Part Number | 3RW3018-1BB04 |
| Product Type | Soft Starter |
| Frame Size | S00 |
| Rated Current | 17.6A |
| Motor Power Rating | 7.5 kW @ 400V |
| Supply Voltage | 200–480V AC |
| Control Voltage | 24V AC/DC |
| Frequency | 50/60 Hz |
| Number of Phases | 3 Phase |
| Mounting Type | DIN Rail / Panel Mount |
| Terminal Type | Screw Terminals |
| Protection Class | IP20 |
| Starting Time Adjustment | 0–20 Seconds |
| Stopping Time Adjustment | 0–20 Seconds |
| Integrated Bypass Contact | Yes |
| Operating Temperature | -25°C to +60°C |
| Standard Compliance | IEC 60947-4-2 |
| Application | Pumps, Fans, Conveyors, Compressors, Industrial Motors |
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