ABB PSTX300-600-70 1SFA898114R7000
ABB PSTX300-600-70 1SFA898114R7000
ABB PSTX300-600-70 1SFA898114R7000
ABB PSTX300-600-70 1SFA898114R7000
ABB PSTX300-600-70 1SFA898114R7000
ABB PSTX300-600-70 1SFA898114R7000
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PSTX300-600-70 1SFA898114R7000

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ABB PSTX300-600-70 1SFA898114R7000 is a 300 A, 208–600 V AC softstarter with three-phase control, integrated bypass and motor-protection functions.
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Technical specifications for PSTX300-600-70 1SFA898114R7000

  • Manufacturer:
    ABB
  • Part Number:
    PSTX300-600-70 1SFA898114R7000
  • Product Family:
    ABB PST and PSTB series
  • Product Type:
    300 A Advanced Softstarter with Built-in Bypass
  • Stock:
    1
  • Rated Operational Current:
    300 A
  • Main Circuit Voltage:
    208–600 V AC
  • Rated Control Supply Voltage:
    100–250 V AC
  • Controlled Phases:
    Three
  • Bypass Contactor:
    Integrated
  • Normal-Duty Current:
    302 A
  • Heavy-Duty Current:
    248 A
  • Power Dissipation:
    97 W
  • Display:
    Detachable graphical display
  • Display Enclosure Rating:
    IP66 and Type 4X outdoor
  • Digital Inputs:
    Three programmable inputs plus hardwired inputs
  • Built-in Communication:
    Modbus RTU
  • Dimensions:
    25.8 × 47 × 27.91 cm
  • Weight:
    12.7 kg
  • Tariff Code:
    8537109090
  • Country of origin:
    SWEDEN
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Duty Selection Bypass and Braking Control Integration Applications
  • 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
Description
PSTX300-600-70 1SFA898114R7000 is an ABB advanced softstarter for three-phase motors requiring controlled starting, stopping and bypass operation.

The unit combines three-phase semiconductor control with a built-in bypass contactor, electronic overload protection, current limiting, torque control, braking, jog functions and pump-oriented features. Its detachable graphic display supports commissioning and diagnostics at the enclosure door.

Before replacement, verify the 208–600 V motor circuit, 100–250 V control supply, motor full-load current, normal or heavy-duty setting, bypass and line wiring, communication option, protection parameters and saved PSTX configuration.
Alternative Names
PSTX300-600-70 1SFA898114R7000 ABB PSTX300-600-70 1SFA898114R7000 PSTX300 600 70 1SFA898114R7000 ABB 1SFA898114R7000 1SFA898114R7000 PSTX300-600-70
Technical notes
ABB PSTX300-600-70 1SFA898114R7000 requires verification of motor current, duty class, line and control voltages, integrated-bypass wiring, protection settings and communication ownership before remote operation is enabled.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What must be matched before replacing ABB PSTX300-600-70 1SFA898114R7000?
Match the complete order number, motor full-load current, 208–600 V main circuit, 100–250 V control supply, normal or heavy-duty selection, bypass arrangement and saved protection settings before ordering.
Can ABB PSTX300-600-70 1SFA898114R7000 replace a conventional contactor starter without engineering changes?
Not automatically. The branch protection, isolation, line and motor connections, control logic, enclosure cooling, motor protection and stopping method must be reviewed for a softstarter installation.
Which configuration should be retained before removing ABB PSTX300-600-70 1SFA898114R7000?
Save or record the motor data, ramp and torque settings, current limit, overload class, input and relay assignments, communication parameters, fieldbus mapping and event history.
Why can ABB PSTX300-600-70 1SFA898114R7000 trip after an apparently correct replacement?
Common causes include incorrect motor-current entry, a heavy-duty application configured as normal duty, phase or bypass wiring errors, mismatched protection thresholds, excessive starts per hour or a communication command conflict.
How should the built-in bypass of ABB PSTX300-600-70 1SFA898114R7000 be commissioned?
Verify the main contact path and current transformers, perform the first start under controlled load, confirm transition into bypass, check phase currents and make sure the bypass releases correctly during stopping or a protection event.
What should be checked when reconnecting fieldbus communication to ABB PSTX300-600-70 1SFA898114R7000?
Confirm the installed adapter type, node address, baud rate, control source, cyclic I/O map, command ownership and PLC fault handling before remote start authority is restored.
Which records should be kept after commissioning ABB PSTX300-600-70 1SFA898114R7000?
Retain the complete order number, firmware and parameter backup, motor nameplate data, duty selection, wiring changes, protection-test results, fieldbus mapping and final event log baseline.