ABB 1SFA898114R7000 PSTX300-600-70 300A 208-600V AC 3P 160kW Soft Starter

The ABB PSTX300-600-70 soft starter (SKU: 1SFA898114R7000) is a 300 A, 208–600 V AC three-phase electronic soft starter delivering 160 kW of controlled motor starting power with advanced torque and current ramp control. Part of ABB's industry-leading PSTX series, the PSTX300-600-70 provides smooth reduced-voltage starting, integrated motor protection, and a built-in bypass for energy-efficient operation in demanding industrial applications.

Technical Specifications

Certifications & Standards

• IEC 60947-1: Complies with the international standard for low-voltage switchgear and controlgear, ensuring safety and reliability in industrial installations.
• CSA: Canadian Standards Association certified, confirming conformance with North American safety requirements for electrical equipment.
• REACH: Compliant with EU Regulation (EC) No 1907/2006 on the Registration, Evaluation, Authorisation and Restriction of Chemicals.
• RoHS: Meets the EU Restriction of Hazardous Substances Directive, confirming this product is free from restricted hazardous materials.
• WEEE: Registered under the EU Waste Electrical and Electronic Equipment Directive for responsible end-of-life recycling and disposal.
• CCC: China Compulsory Certification mark, required for market access in the People's Republic of China.
• CE: Bears the CE marking, confirming conformity with all applicable EU directives and harmonised standards for the European market.

Applications & Use Cases

• Pump and fan motor starting — eliminates water hammer and mechanical stress with controlled ramp-up and ramp-down
• Compressor and blower applications requiring smooth torque control and reduced starting current
• Conveyor systems where gradual acceleration protects belt and gearbox integrity
• Crusher and mixer drives demanding high starting torque with limited inrush current impact on supply networks
• HVAC systems and industrial process machinery requiring integrated motor protection and energy-efficient bypass operation

Frequently Asked Questions

What is the rated current of the PSTX300-600-70?
The PSTX300-600-70 has a rated current of 300 A, suitable for motors up to 160 kW at 400 V.

What control voltage does this soft starter accept?
The ABB PSTX300-600-70 accepts a wide control voltage range of 110–250 V, making it compatible with both 110 V and 230 V control circuits.

Does the PSTX300-600-70 include a built-in bypass?
Yes, the PSTX series features an integrated bypass contactor that engages after run-up, eliminating continuous thyristor losses and maximising energy efficiency during normal operation.

Is this soft starter certified for international use?
Yes — the PSTX300-600-70 carries IEC 60947-1, CSA, CE, CCC, RoHS, REACH and WEEE certifications, covering European, North American, and Chinese market requirements.