Overview of Siemens 3RW50746AB14
Shop genuine Siemens 3RW50746AB14 online for your automation system. The Siemens 3RW50746AB14 is a SIRIUS 3RW50 series soft starter designed to deliver reliable, smooth motor control for demanding industrial environments. Engineered for three-phase motors up to 160 kW at 400 VAC, this factory-grade soft starter minimizes mechanical and electrical stress during motor startup and shutdown, extending equipment lifespan and reducing maintenance costs. Buy Siemens 3RW50746AB14 for robust performance in applications requiring controlled acceleration and deceleration, with built-in protection against overloads and short circuits.
Key Features of Siemens 3RW50746AB14
- Smooth starting and stopping of three-phase AC motors, reducing inrush current and mechanical shock
- Rated for 315 A at 40°C, 279 A at 50°C, and 255 A at 60°C—ideal for high-power industrial loads
- Supports motors up to 90 kW at 230 VAC and 160 kW at 400 VAC
- 16 selectable current settings for precise application tuning
- Analog output for real-time monitoring and integration with control systems
- Comprehensive motor protection: overload, short circuit, and overheating safeguards
- Wide operating voltage range (200–480 V) and frequency compatibility (50/60 Hz)
- Screw-type terminals for secure, vibration-resistant connections
- CE, CCC, CSA, UL, and ATEX certified for global compliance
- Compact, chassis-mount design for easy integration into control panels
Technical Specs of 3RW50746AB14
Review Siemens 3RW50746AB14 specifications for detailed parameters before installation.
| Specification |
Value |
| Rated Current |
315 A (40°C), 279 A (50°C), 255 A (60°C) |
| Motor Power |
90 kW (230 VAC), 160 kW (400 VAC) |
| Voltage Range |
200–480 VAC, 3-phase |
| Frequency |
50/60 Hz |
| Control Voltage |
110–250 V AC/DC |
| Termination |
Screw terminals |
| Certifications |
CE, CCC, CSA, UL, ATEX, EAC, IECEx, REACH |
Applications / Use Case
This Siemens 3RW50746AB14 is commonly used in industrial automation worldwide. It is especially suited for pumps, fans, compressors, conveyors, and other machinery where smooth motor start and stop are critical to operational efficiency and equipment longevity. By reducing inrush currents and mechanical shocks, it helps prevent costly downtime and extends the service life of motors in production line systems, packaging operations, and factory control panels.
Price & Availability
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