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ABB PST(B) softstarter
Source: | Author:kongjiang | Published time: 2025-11-03 | 0 Views | 🔊 Click to read aloud ❚❚ ▶ | Share:
ABB's PST(B) series soft starter is a high-end product second only to the latest PSTX series, which has both enhanced application function and motor and load protection. Pre-alarm function can warn the problem before downtime is needed to avoid unnecessary downtime. Its main advantages include: built-in motor protection to ensure safety; Full-text LCD screen supports local language, which is convenient for quick installation and setting; Most communication protocols are supported by the accessory FieldBusPlug; Torque control can optimize water pump control and prolong equipment life; Large-size models have built-in bypass to reduce energy consumption when running at full load. Main features: rated working current is 30 to 1050 amps (1810 amps under internal triangle connection); Working voltage 208-690V AC; Control the power supply voltage of 100–250V, 50/60Hz; Support straight line connection and internal triangle connection.

PST(B) softstarter

The PST(B) softstarter range is the second most advanced softstarter in ABB's offering after the recently announced PSTX and combines application enhancing functionality with protections for both motor and load. Pre-warnings will even let you act on problems before you need to stop the motor, to avoid unnecessary downtime.

Main benefits

Built-in motor protections keep your motor safe

Full-text LCD display in your own language makes installation and setup simple and quick

Supports most communication protocols with the accessory FieldBusPlug

Torque control improves control of pumps and prolongs equipment lifetime

Bigger sizes feature built-in bypass which reduces energy consumption during application full speed.

Main features

Rated operational current: 30 to 1050 A (inside delta 1810 A)

Operational voltage: 208–690 V AC

Control supply voltage: 100–250 V, 50/60 Hz

In-line and inside-delta connection.

ABB AB, Control ProductsSE-721 61 VasterasSweden

PST30, PST37, PST44, PST50, PST60, PST72, PST85, PST105, PST142, PST172,

PST210, PST250, PST300, PSTB370, PSTB470, PSTB570, PSTB720, PSTB840,

PSTB1050