PRODUCT DESCRIPTION
SIEMENS 3RW5055-6AB14 - Soft Starter
This device is a SIRIUS 3RW50 series soft starter designed for controlled starting and stopping of three-phase asynchronous motors. It integrates solid-state switching technology to reduce current peaks and torque surges during motor acceleration and deceleration, thereby minimizing mechanical stress on the drive train and electrical grid disturbances. This component is suitable for applications requiring smooth motor operation, such as pumps, fans, conveyors, and compressors, within industrial automation systems.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RW50
- COMPONENT TYPE: Soft Starter
- ELECTRICAL SPECS:
- OPERATIONAL VOLTAGE RANGE: 200-460V AC
- RATED OPERATIONAL CURRENT (Ie) at 400V: 110 A
- RATED POWER (P) at 400V: 55 kW
- PHASE: 3-Phase
- CONTROL SUPPLY VOLTAGE: 24V AC/DC
- FREQUENCY: 50/60 Hz
- MECHANICAL/PHYSICAL:
- STARTING METHOD: Voltage ramp-up
- BYPASS: Integrated bypass contactor
- TERMINALS: Screw terminals for main and control circuits
- FORM FACTOR: Enclosed module for panel mounting
- INTERFACE/CONTROL:
- CONTROL INPUTS: Digital inputs for RUN/STOP
- FEEDBACK: Relay outputs for operational status and fault indication
- COMMUNICATION: No integrated fieldbus communication (standard variant)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP00 (requires enclosure for application-specific protection)
- COOLING METHOD: Natural convection
- MOUNTING STYLE: DIN rail or screw mounting
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Industrial motor control panels, pump stations, HVAC systems, conveyor systems, fan drives
- MOTOR TYPE: Three-phase asynchronous motors