
ABB PPC322BE Key features
High-performance processor: Equipped with PSR-2 processor, the main frequency is 100 MHz, with powerful data processing capabilities.
Large-capacity memory: Built-in 128 MB RAM to meet the needs of complex control tasks.
Multiple communication protocol support: Supports multiple fieldbus protocols such as PROFIBUS DP, Modbus RTU, Modbus TCP, etc., to achieve seamless communication with a variety of devices.
Industrial-grade reliability: Adapt to various industrial environments, with high reliability and stability
Comparison with Other ABB Protection Relays
Model | PPC322BE | ABB REF 542 | ABB MICRO 6 | Schneider Easergy P3 |
Positioning | Mid-range distribution protection | High-end integrated protection | Small feeder protection | Mid-range intelligent protection |
Current measurement range | 0.5–6A (secondary side) | 0.2–10A (secondary side) | 0.1–6A (secondary side) | 0.5–6A (secondary side) |
Protection functions | Overcurrent, ground fault, overvoltage (optional) | Overcurrent, differential, distance, reclosing | Overcurrent, ground fault, inverse time | Overcurrent, ground fault, power quality |
Communication protocol | Modbus RTU | IEC 60870-5-103/Modbus | Modbus RTU | Modbus RTU/EtherNet/IP |
Typical applications | Small/medium distribution circuits | Large substations/complex systems | Small motor/lighting circuits | Commercial/industrial distribution |
Price | Moderate | High | Low | Moderate |
PPC322BE advantages:
Excellent cost-effectiveness, suitable for small and medium-sized projects with limited budget but requiring reliable protection.
Functions cover mainstream requirements (overcurrent/grounding/voltage), and expansion interfaces (DI/DO) meet basic linkage requirements.
