PRODUCT DESCRIPTION
ASEA BROWN BOVERI PSTX1250-690-70 - Advanced Softstarter
The ABB PSTX1250-690-70 is an advanced three-phase softstarter engineered for controlled acceleration and deceleration of induction motors in demanding industrial applications. This unit integrates comprehensive motor protection, built-in bypass functionality, and advanced control algorithms to mitigate mechanical stress and electrical transients during start and stop sequences. It is suitable for high-power applications such as pumps, fans, compressors, and conveyors, providing optimized motor performance and extended equipment lifespan.
Technical Specifications:
- SERIES/FAMILY: PSTX Series
- COMPONENT TYPE: Advanced Softstarter
- ELECTRICAL SPECS:
- NOMINAL OPERATIONAL VOLTAGE (Ue): 208-690VAC
- NOMINAL OPERATIONAL CURRENT (Ie): 1250A (at 40°C)
- NOMINAL MOTOR POWER (at 690V): 900kW (Heavy Duty) / 1000kW (Normal Duty)
- CONTROL SUPPLY VOLTAGE (Us): 100-250V AC/DC
- FREQUENCY: 50/60 Hz
- PHASE: 3-Phase
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Open-type, panel-mountable industrial unit
- BYPASS: Built-in bypass contactors
- INTERFACE/CONTROL:
- COMMUNICATION PROTOCOL: Modbus RTU (built-in) Optional modules for PROFINET, PROFIBUS, DeviceNet, EtherNet/IP, Modbus TCP
- I/O: Configurable digital inputs, relay outputs, analog outputs
- FEEDBACK: Motor current, voltage, power, temperature monitoring
- CONTROL FEATURES: Torque control, current limit, voltage ramp, kick start, pump cleaning, motor protection functions
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP00 (main unit, requires enclosure)
- COOLING METHOD: Natural convection / Forced air (depending on load and enclosure)
- MOUNTING STYLE: Panel mounting
- COMPATIBILITY/APPLICATION: Induction motors in high-power industrial systems including pumps, fans, compressors, mixers, and conveyors requiring smooth start/stop operations.