Name: ABB PSPCB-500C/S 1SFA899020R2500 – Motor Soft Start/Stop Control PCB - MASSIVE
SKU: ABB PSPCB-500C/S 1SFA899020R2500

ABB PSPCB-500C/S 1SFA899020R2500 – Motor Soft Start/Stop Control PCB

Brand ABB

Model ABB PSPCB-500C/S 1SFA899020R2500

The ABB PSPCB-500C/S (ordering code 1SFA899020R2500) is the main control printed circuit board engineered for ABB‘s PSS series softstarters. As the central processing and control module within PSS18 through PSS300-C2 softstarter units, the ABB PSPCB-500C/S executes motor soft-start and soft-stop algorithms, monitors critical electrical parameters, and manages fault protection logic. This board functions as the computational “brain” of the softstarter, determining how smoothly the system ramps motor voltage and current during startup and shutdown sequences .

The ABB 1SFA899020R2500 operates across a 230–500V voltage range, making it compatible with standard industrial power supply environments . Its designation “C/S” indicates a critical configuration detail: this version carries a normally closed (N.C.) fault signal contact, distinguishing it from the PSPCB-500/S variant that uses a normally open contact. This distinction means the two boards cannot be substituted for one another without verifying the fault signaling requirement of the host softstarter system .

Physically compact at 200 × 300 × 10 mm and weighing approximately 0.37 kg, the ABB PSPCB-500C/S is designed for direct integration into PSS softstarter enclosures . The board’s production is now in the obsolete phase, with limited stock available from remaining inventory . This end-of-life status makes the ABB PSPCB-500C/S a strategic spare for facilities still operating PSS-series softstarters in pump, fan, conveyor, and compressor applications where soft starting reduces mechanical stress and electrical inrush.

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Description

Technical Specifications

Parameter Name	Parameter Value
Product Model	ABB PSPCB-500C/S
Ordering Code	1SFA899020R2500
Manufacturer	ABB
Product Type	Main Control PCB (Softstarter)
Compatible Softstarter Series	PSS18/30 … PSS300/515 (C2 models)
Voltage Class	230–500 V
Fault Signal Contact	Normally Closed (N.C.)
Product Net Weight	0.37 kg
Product Dimensions	200 × 300 × 10 mm (W × H × D)
Country of Origin	Sweden (some batches Thailand)
EAN Code	7320500225530
Product Status	Obsolete (no direct replacement)
Warranty	1 year

Main Features and Advantages

The ABB PSPCB-500C/S delivers the essential control intelligence for ABB‘s PSS softstarter family, with a feature set focused on reliability and application-specific compatibility.

Application-Specific Fault Signaling: The ABB 1SFA899020R2500 carries a normally closed fault contact configuration, designated by the “C” in the model code. This design ensures the fault circuit remains closed during normal operation and opens on fault condition, providing fail-safe signaling to upstream control systems . Engineers must verify the fault contact type required by their specific softstarter installation before specifying this board, as the alternative PSPCB-500/S uses a normally open configuration and cannot be used as a direct substitute.

Integrated Softstart Control Algorithm Execution: The ABB PSPCB-500C/S hosts the firmware and processing circuitry that governs voltage ramp-up and ramp-down profiles for PSS18 through PSS300 softstarters. This board determines the timing and slope of motor voltage application, directly influencing startup current reduction and mechanical load management. The algorithm runs continuously during operation, monitoring current and voltage parameters to maintain controlled starting conditions.

Proven PSS Platform Compatibility: Designed exclusively for the PSS-series softstarter platform, the ABB 1SFA899020R2500 integrates seamlessly with existing PSS18–PSS300-C2 wiring harnesses, terminal arrangements, and accessory modules. This drop-in compatibility simplifies spare parts management for facilities with installed PSS fleets, eliminating adapter requirements or harness modifications during board replacement.

Compact Enclosure Integration: At 200 × 300 × 10 mm and 0.37 kg, the ABB PSPCB-500C/S fits within the space constraints of PSS softstarter enclosures without requiring external mounting hardware or additional cabinet clearance . This form factor facilitates straightforward service access during maintenance windows.