PRODUCT DESCRIPTION
SIEMENS 3RW4434-6BC45 - High-Feature Soft Starter
The SIEMENS 3RW4434-6BC45 is a SIRIUS 3RW44 series high-feature soft starter engineered for controlled ramp-up and ramp-down of three-phase asynchronous motors. It integrates advanced motor protection, bypass functionality, and a PROFINET communication interface for seamless integration into industrial automation systems. This device is designed for demanding applications requiring precise motor control and reduced mechanical stress, such as pumps, fans, compressors, and conveyor systems.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RW44
- COMPONENT TYPE: High-Feature Soft Starter
- ELECTRICAL SPECS:
- NOMINAL OPERATING VOLTAGE (Ue): 200-460V AC
- NOMINAL OPERATING CURRENT (Ie): 106A (at 400V)
- NOMINAL MOTOR POWER (P): 55 kW (at 400V, standard duty)
- PHASE: 3-Phase
- FREQUENCY: 50/60 Hz
- CONTROL SUPPLY VOLTAGE (Us): 110-230V AC/DC
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact Industrial Enclosure
- MOUNTING: Screw Mounting
- INTERFACE/CONTROL:
- COMMUNICATION PROTOCOL: PROFINET (Integrated)
- I/O: Digital Inputs, Digital Outputs, Analog Output
- FEEDBACK: Integrated Bypass Contactor, Motor Protection Functions (Overload, Phase Imbalance, Thermistor)
- CONTROL METHOD: Voltage Ramp, Current Limit, Torque Control
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP00 (Requires Enclosure for Higher Protection)
- COOLING METHOD: Natural Convection
- AMBIENT OPERATING TEMPERATURE: -25 to +60 degrees C
- COMPATIBILITY/APPLICATION:
- MOTOR TYPE: Three-Phase Asynchronous Motors
- TARGET APPLICATIONS: Pumps, Fans, Compressors, Conveyors, Mixers, Centrifuges, Machine Tools