PRODUCT DESCRIPTION
ASEA BROWN BOVERI PSTX370-690-70 - Advanced Softstarter
The ASEA BROWN BOVERI PSTX370-690-70 is an advanced, three-phase softstarter designed for controlled acceleration and deceleration of induction motors up to 355 kW at 690V. This unit employs thyristor-based voltage control to mitigate mechanical stress and electrical current transients during motor startup and shutdown, thereby extending equipment lifespan and optimizing system efficiency. It integrates comprehensive motor protection and advanced control features for demanding industrial applications including pumps, fans, compressors, and conveyors.
Technical Specifications:
- SERIES/FAMILY: PSTX Advanced Softstarter
- COMPONENT TYPE: Three-Phase Motor Softstarter
- ELECTRICAL SPECS:
- OPERATIONAL VOLTAGE: 208-690VAC
- OPERATIONAL CURRENT (IN-LINE): 370A
- CONTROL VOLTAGE: 100-250VAC/VDC
- MOTOR POWER RATING (STANDARD DUTY): 355kW at 690V
- FREQUENCY: 50/60 Hz
- PHASE: 3-Phase
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Enclosed industrial control unit
- COOLING: Natural convection with integrated fan
- INTERFACE/CONTROL:
- COMMUNICATION PROTOCOL: Modbus RTU (integrated), optional fieldbus modules (e.g., PROFINET, EtherNet/IP, PROFIBUS)
- I/O: Programmable digital inputs/outputs, analog output
- FEEDBACK: Current, voltage, power, power factor, motor temperature
- CONTROL FEATURES: Torque control, current limit, kick start, slow speed, dual settings, pump cleaning, motor heating
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP00 (main unit), requires enclosure
- MOUNTING STYLE: Panel mount
- OPERATING TEMPERATURE: -25 to +60 degrees Celsius (with derating above 40 degrees Celsius)
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Induction motors in industrial processes
- SPECIFIC MACHINE TYPES: Pumps, fans, compressors, conveyors, mixers, crushers, centrifuges, blowers