Overview
The Siemens 3RW3024-1AB14 is a SIRIUS soft starter designed for smooth motor starting and control in industrial automation systems. This Size S0 unit provides reliable reduced-voltage starting for three-phase motors, reducing inrush current and mechanical stress on driven equipment.
Key Features
- Compact Size S0 soft starter for motors up to 5.5kW / 400V
- Thyristor-based power electronics for thyristor soft starting
- Integrated bridging contact system for bypass operation
- Screw connection terminals for secure installation
- Adjustable ramp-up and ramp-down control for smooth acceleration
- Wide control voltage range (110–230V AC)
Technical Specifications
- Rated Output Current (40°C): 12.5A
- Rated Output Current (50°C): 11A
- Power Rating: 5.5kW @ 400V, 3-phase
- Operating Voltage: 200–460V AC, 50/60 Hz
- Control Voltage (UC): 110–230V AC
- Terminals: Screw connection
- Power Electronics: Thyristor-based
- Soft Start Technology: Ramp soft starter
Typical Applications
- Pump and fan motor control in HVAC systems
- Conveyor belt motor starts in material handling
- Compressor soft starting to reduce inrush currents
- Industrial machinery with high-inertia loads
- Manufacturing plant motor control systems
Compatibility & Replacements
Compatible With
- Three-phase AC motors, 5.5kW / 7.5HP maximum
- Standard industrial motor starters and control circuits
- DIN rail or wall-mounted enclosures
- Supply voltages 200–460V AC, 50/60 Hz
- Control circuits operating at 110–230V AC
Replaces / Drop-In Replacement For
- Other SIRIUS Size S0 soft starters with screw connections
- Manual motor starting methods in equivalent power range
- Verify compatibility with your system integrator before ordering.
Works With
- Siemens SIRIUS soft starter control accessories (ramp modules, logic modules)
- Standard 3-phase AC motor protection devices
- Industrial motor overload relays and thermal protectors
- Manual or PLC-based motor control sequences
