- Three-phase 300 A softstarter for 208–600 V AC motor circuits
- Integrated bypass contactor with configurable motor-protection functions
- Detachable graphical display and built-in Modbus RTU communication
PSTX300-600-70 1SFA898114R7000 combines controlled motor acceleration with bypass operation in one ABB softstarter assembly.
Its control functions extend beyond a basic voltage ramp to current limiting, torque control, braking, jog operation, sequence starting and application-specific pump features.
Reliable substitution depends on the motor duty, control supply, protection coordination, communication adapter and parameter set, not on current rating alone.
Availability, condition, price, and shipping time for PSTX300-600-70 1SFA898114R7000 are confirmed during quotation.
ABB PSTX300-600-70 1SFA898114R7000 Softstarter Manuals, Datasheets, Links
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
- Match the motor full-load current and starting profile to normal or heavy-duty operation
- Review acceleration time, starts per hour and load inertia before applying current limits
- Coordinate electronic overload settings with the motor and upstream protection
- Confirm transition into the integrated bypass after the motor reaches operating speed
- Set soft stop, braking or standstill brake only for the mechanical load involved
- Check phase-current balance and bypass release during protection or emergency events
- Provides hardwired control together with built-in Modbus RTU communication
- Supports optional Anybus modules and ABB fieldbus plug adapters
- Requires verified command ownership, digital-input logic and PLC data mapping
- Controlled starting and stopping of industrial pumps and centrifugal loads
- Conveyor, compressor and fan applications requiring motor protection and bypass operation
- Networked motor-control panels using PSTX diagnostics and remote parameter access