ABB PSTX470-600-70 (1SFA898116R7000) Soft Starter – High-Power Motor Control

Overview
The ABB PSTX470-600-70 soft starter (part number 1SFA898116R7000) is engineered for medium to large three-phase motors, delivering smooth and reliable start-stop control while safeguarding your motor from electrical and mechanical stress. It’s designed to handle nominal currents up to 470 A and supports input voltages ranging from 208 V to 600 V AC, providing optimal flexibility for diverse industrial applications.

Key Specifications

• Rated Operational Current: 470 A (inline connection)

• Voltage Capacity:

  • Main Circuit: 208 V – 600 V AC

  • Control Supply: 100 V – 250 V AC, 50/60 Hz

• Rated Motor Power:

  • Inline: up to 250 kW (400 V), 315 kW (500 V)

  • Inside Delta: up to 450 kW (400 V), 600 kW (500 V)

• Physical Dimensions & Weight:

  • Width: 361 mm, Height: 493 mm, Depth: 282 mm

  • Net Weight: 25 kg

Features & Benefits

• Smooth Soft-Start & Stop Control: Reduces mechanical wear and extends motor life.

• Built-In Bypass Relay: Enhances energy efficiency and streamlines installation.

• Advanced Protection Functions: Includes electronic overload, earth-fault, under/over-voltage, underload, locked rotor, current imbalance, and more.

• Full Motor Intelligence: Features diagnostics, motor heating, pump cleaning, jog, braking, stand-still brake, sequence start, emergency/fire-pump mode, kickstart, and limp mode.

• User-Friendly Interface: Detachable full-graphic display with IP66 rating for easy configuration, monitoring, and maintenance.

• Flexible Communication Options: Integrated Modbus RTU plus optional Anybus modules support Modbus TCP, Profibus, Profinet, EtherCAT, Ethernet IP, BACnet-IP/MSTP, and DeviceNet.

• Comprehensive Motor Protection Suite: Includes PT-100 sensors, overload protection, dynamic braking, stand-still brake, and more – all designed to maximize system uptime.

Why Choose PSTX Series by ABB?
The PSTX family represents ABB’s most advanced soft starter platform—built on years of R&D. It provides robust motor control and protection, offering enhanced reliability, a broad feature set, and seamless integration across communication protocols.

Typical Applications

Ideal for demanding industrial scenarios requiring precision and protection, including:

• Pumps, compressors, fans, conveyors

• Automated systems with frequent start/stop cycles or high torque demands

• Environments necessitating network communication and diagnostic capabilities