ABB 1SFA892008R1002 – The Smart Choice for Extending Motor & Bearing Life

Description

The ABB 1SFA892008R1002, also known as the PS S 85/147-500L, is a high-performance soft starter from ABB's flexible PSS series, specifically engineered to solve the toughest motor starting challenges in heavy industry. As a member of ABB's globally recognized softstarter portfolio, this unit is designed to deliver smooth, controlled acceleration and deceleration for three-phase induction motors ranging from approximately 75kW to 250kW, with a maximum current handling capability of 500A. Its core mission is to replace brutal "across-the-line" starts with a gentle, electronically controlled ramp-up, protecting both mechanical systems and electrical grids from destructive stress.

 

Application Scenarios

Imagine a municipal water treatment plant where the sudden start of a 200kW raw water pump causes a violent pressure surge, shaking the entire pipeline network and tripping circuit breakers due to a massive inrush current. This was a recurring nightmare until the plant engineer specified the ABB 1SFA892008R1002. By using this soft starter to gradually ramp up voltage over a user-defined period, the starting current is limited to a manageable level, effectively eliminating water hammer and preventing nuisance tripping. The ABB 1SFA892008R1002 seamlessly integrates into the control cabinet, addressing the critical pain points of high mechanical stress and electrical grid instability. For another customer, a mining company, using the ABB 1SFA892008R1002 to control a heavy ball mill drive extended bearing life by an estimated 40% due to the elimination of shock loads during startup.

 

Parameters

Main Parameters Value/Description
Product Model 1SFA892008R1002 (PS S 85/147-500L)
Manufacturer ABB
Product Category Soft Starter (Electronic Motor Controller)
Rated Operational Voltage (Ue) 208 – 690 V AC, 50/60 Hz (±5%)
Rated Current Range (Ie) 85A – 500A (Adjustable)
Motor Power Rating (400V) Approx. 75 kW – 250 kW (85/147 kW nominal)
Start/Stop Ramp Time 1 – 30 seconds (Start) / 0 – 30 seconds (Stop)
Starting Capacity 4 x Ie for 10 seconds (overload class 10)
Number of Starts Per Hour Up to 30 (at 30% on-time)
Built-in Bypass Contactor Yes (Integrated, automatic switch-over)
Operating Temperature -25°C to +60°C (derating above 40°C)
Protection Degree (Main Circuit) IP00 (open type, designed for cabinet mounting)
Signal Relays Bypass signal & Fault signal (NO/NC)

 

 

Technical Principles and Innovative Values

Innovation Point 1: Integrated Bypass Contactor for Superior Efficiency. The ABB 1SFA892008R1002 features a fully integrated bypass contactor that automatically closes once the motor reaches full speed. This innovation allows the main current to bypass the power semiconductors (SCRs) during continuous running, completely eliminating conduction losses and reducing heat generation within the panel. The result is a drastically reduced total cost of ownership, as the soft starter itself runs cooler, extending its service life and reducing the need for additional cooling within the electrical cabinet.

Innovation Point 2: Built-in Pump Control Logic. Unlike generic soft starters, the ABB 1SFA892008R1002 is equipped with specialized “Pump Control” software optimized for centrifugal pump applications. This advanced logic intelligently manages the stopping ramp to eliminate water hammer—the destructive pressure surge that occurs when fluid in a pipe suddenly stops. By tailoring the deceleration curve, this feature protects aged pipelines, valves, and pumps from the shock that can cause costly leaks and failures.

Innovation Point 3: Scalable Communication for Industry 4.0. While the ABB 1SFA892008R1002 can operate as a standalone unit with simple LED status indicators (Ready, Run, Fault), its true power lies in its extensibility. It supports ADD-ON communication modules like Modbus RTU, allowing seamless integration with PLCs and SCADA systems. This transforms the soft starter from a simple start/stop device into a source of vital operational data—current draw, fault logs, and run status—enabling predictive maintenance and remote system monitoring without replacing the entire unit.

Innovation Point 4: High-Start Frequency Durability. Built to withstand rigorous conditions, the ABB 1SFA892008R1002 supports up to 30 starts per hour. This makes it exceptionally robust for applications with cycling loads, such as conveying systems or batch processing, where other starters might overheat or fail. This high duty cycle capability ensures process continuity in demanding production environments.

 

Application Cases and Industry Value

Case Study: Cement Plant – Extending Heavy Equipment Life. A major cement manufacturer faced frequent downtime and high maintenance costs on their ball mill motor drive, which experienced massive mechanical shock during direct starting. After installing the ABB 1SFA892008R1002 to control the mill’s starting sequence, the limited current control drastically reduced shock loads on the gearbox and motor bearings. The reliability team reported a 40% extension in bearing life and a significant reduction in unplanned downtime. Furthermore, the elimination of grid-draining inrush currents meant that other heavy equipment on the same line could run without voltage dips.

Case Study: Petrochemical Pumping System – Eliminating Mechanical Failure. In a large-scale petrochemical plant, frequent valve and pipeline failures were caused by the severe water hammer effect from pump starts and stops. By integrating the ABB 1SFA892008R1002 with its dedicated pump control function, the facility eliminated the “banging” sound from pipelines. The smooth soft-stop function brought the fluid to a gentle halt, resulting in a 50% reduction in equipment fault rates across the pumping station and ensuring stable, continuous process flow.

 

Related Product Combination Solutions

  • ABB TA110DU Thermal Overload Relay: The recommended overload protection for the ABB 1SFA892008R1002, providing essential motor thermal management for the 65-85A current range.
  • ABB ADD-ON Modbus RTU Communication Module: This plug-and-play accessory transforms the ABB 1SFA892008R1002 into a smart device, enabling remote monitoring and control via your plant’s automation network.
  • ABB 170M1572 Bussmann Semiconductor Fuses: The recommended protection fuses for the main circuit of the ABB 1SFA892008R1002, ensuring type 2 coordination in the event of a short circuit.
  • ABB S200 Series Circuit Breaker: Suitable for the supply circuit protection of the ABB 1SFA892008R1002, featuring C-characteristic trip curves for reliable operation with electronic loads.
  • BENTLY 133442-01 I/O Module: A complementary product for vibration monitoring on the critical rotating machinery being controlled by the ABB 1SFA892008R1002, adding a layer of predictive protection.
  • Westinghouse 1C31222G01 Analog Output Module: This HART-enabled AO module can integrate with the ABB 1SFA892008R1002 in a DCS environment, sending 4-20mA signals for remote speed or torque control of the soft starter’s functions.

Reviews

Reviews

There are no reviews yet.

Be the first to review “ABB 1SFA892008R1002 – The Smart Choice for Extending Motor & Bearing Life”

Your email address will not be published. Required fields are marked *

Post comment