Product Role and Application
- ABB PST250-600-70 softstarter controls high-power motors with reduced electrical stress.
- The unit suits pumps, fans, compressors, and conveyor systems.
- Soft starting lowers mechanical wear and extends motor service life.
Electrical Capability Overview
- Main circuit voltage range supports 208 to 600 V AC.
- Rated operational current reaches 250 A in in-line connection.
- Service factor of 115% allows temporary overload handling.
Power Handling Structure
- In-Line Connection
- ➜ 132 kW at 400 V
- ➜ 160 kW at 500 V
- Inside Delta Connection
- ➜ 220 kW at 400 V
- ➜ 295 kW at 500 V
Starting and Control Functions
- Ramp-up time adjustable from 1 to 120 seconds.
- Initial start voltage configurable between 30% and 70%.
- Current limit function adjustable from 1.5 to 7 times rated current.
- High starting capacity supports 3 × Ie for 15 seconds.
Protection and Monitoring
- Built-in electronic overload protection protects the motor.
- Fault, run, bypass, and overload relays provide clear system feedback.
- LED indicators show ready, protection, and fault status.
Signal and Communication Interface
- Analog outputs include 0–10 V, 0–20 mA, and 4–20 mA.
- FieldBusPlug enables easy fieldbus communication expansion.
- Control supply supports 100–250 V AC and 24 V DC logic.
Mechanical Design and Terminals
- Main power terminals use robust copper bars.
- Main circuit connection size supports 20 × 5 mm conductors.
- Compact body measures 360 × 420 × 270 mm.
- Net weight remains manageable at approximately 23 kg.
Environmental Operating Limits
- Operating temperature range supports 0 to +50 °C.
- Storage temperature range supports -25 to +70 °C.
- Main terminals rated IP00 for cabinet-installed systems.
Warranty and Shipping
- Warranty
- ➜ 12-month standard manufacturer warranty
- Logistics
- ➜ FedEx international express
- ➜ UPS global shipping
- ➜ DHL priority delivery
Professional FAQ
- Can this softstarter reduce voltage dips during startup?
- Yes, controlled ramp-up minimizes network voltage drops.
- Is inside delta wiring difficult to implement?
- Electricians can wire it easily using standard ABB guides.
- Does this model support frequent starts?
- It allows up to 30 starts per hour under defined load conditions.
- Is cabinet cooling required?
- Proper airflow improves performance and thermal stability.
- Can the analog outputs connect to PLC systems?
- Yes, standard analog signals integrate smoothly with PLC inputs.
Contact Information
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Original Source: https://www.oiltechcontrols.com/
Partner: PLCDCS HUB Limited
Partner: Powergear X Automation Limited
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