PRODUCT DESCRIPTION
SIEMENS 3RW5074-6TB14 - Three-Phase Soft Starter
The SIEMENS SIRIUS 3RW5074-6TB14 is a three-phase performance soft starter engineered for the controlled ramp-up and ramp-down of asynchronous motors, effectively mitigating mechanical shock and current peaks during start and stop cycles. This device integrates comprehensive motor protection functions and is suitable for demanding industrial applications such as pumps, fans, compressors, and conveyor systems requiring precise motor control and extended equipment lifespan.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RW50 Performance
- COMPONENT TYPE: Three-Phase Soft Starter
- ELECTRICAL SPECS:
- RATED OPERATIONAL CURRENT (Ie): 140 A (at 400 V AC, standard duty)
- OPERATING VOLTAGE RANGE: 200-460 V AC, 50/60 Hz
- CONTROL SUPPLY VOLTAGE: 110-230 V AC/DC
- TYPICAL MOTOR POWER: 75 kW (at 400 V AC, standard duty) 55 kW (at 400 V AC, heavy duty)
- MECHANICAL/PHYSICAL:
- TERMINAL TYPE: Screw terminals for main and control circuits
- MOUNTING: Panel mounting
- FORM FACTOR: Compact industrial enclosure
- INTERFACE/CONTROL:
- CONTROL INPUTS: Digital inputs for START/STOP commands
- FEEDBACK: Integrated motor protection functions
- COMMUNICATION: Optional communication modules available for integration into industrial networks (e.g., PROFINET, PROFIBUS, Modbus TCP)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP00 (main unit), IP20 (terminals)
- COOLING METHOD: Natural convection
- AMBIENT OPERATING TEMPERATURE: -25 to +60 degrees Celsius
- COMPATIBILITY/APPLICATION:
- MOTOR TYPE: Three-phase asynchronous motors
- TARGET APPLICATIONS: Pumps, fans, compressors, conveyors, mixers, centrifuges, and other machinery requiring smooth acceleration and deceleration.