ОПИСАНИЕ ПРОДУКТА
SIEMENS 3RW4446-6BC44 - Soft Starter
The SIEMENS SIRIUS 3RW44 series soft starter is a solid-state, microprocessor-controlled device engineered for the controlled soft starting and stopping of three-phase asynchronous motors. This unit integrates advanced motor protection functions and an internal bypass contactor, providing a comprehensive solution for applications requiring reduced inrush current, minimized mechanical stress, and extended motor lifespan. It is suitable for deployment in pumping systems, fan drives, conveyor belts, and other industrial machinery.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RW44
- COMPONENT TYPE: Soft Starter
- ELECTRICAL SPECS:
- OPERATIONAL VOLTAGE: 200-460VAC
- RATED OPERATIONAL CURRENT (Ie): 171A (at 400VAC)
- RATED MOTOR POWER: 90kW (at 400VAC)
- PHASE: 3-Phase
- CONTROL SUPPLY VOLTAGE: 110-230VAC/DC
- FREQUENCY: 50/60Hz
- MECHANICAL/PHYSICAL:
- TERMINALS: Screw terminals for main and control circuits
- FORM FACTOR: Enclosed unit for panel mounting
- BYPASS: Integrated bypass contactor
- INTERFACE/CONTROL:
- COMMUNICATION PROTOCOL: PROFINET (via integrated module)
- FEEDBACK: Integrated motor protection functions (e.g., overload, phase failure, thermistor input)
- I/O: Digital inputs and outputs for control and status signaling
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP00 (requires enclosure for higher ingress protection)
- COOLING METHOD: Natural convection
- MOUNTING STYLE: Vertical panel mounting
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Three-phase asynchronous motors
- APPLICATIONS: Pumping systems, fan drives, compressors, conveyor belts, mixers, centrifuges, and other industrial processes requiring controlled motor acceleration and deceleration.