A microprocessor is the central processing unit (CPU) of a protection relay, executing algorithms to monitor electrical parameters and trigger protective actions.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Memory | 512 KB Flash, 128 KB RAM | |
| Clock Speed | 100 MHz to 300 MHz | |
| Architecture | 32-bit ARM Cortex-M or RISC-V | |
| ADC Resolution | 16-bit | |
| Operating Voltage | 3.3 V DC | |
| Power Consumption | < 1 W | |
| Protection Functions | Overcurrent, Earth Fault, Voltage Protection, Frequency Protection | |
| Communication Interfaces | Ethernet, RS-485, CAN bus |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
An electrical device that monitors power system conditions and triggers protective actions when abnormal parameters are detected.
The primary computational and control unit within a PLC system that executes program instructions and manages system operations.
The central processing unit of a Programmable Logic Controller (PLC) that executes control logic and manages I/O operations.
A practical evidence checklist for RFQ preparation and supplier evaluation.
Compare the published product scope and source details, then include your specifications and quantity in an enquiry.
Manufacturer profiles associated with Microprocessor.
Explore company information and manufacturing capabilities, then discuss the scope of your project with a relevant supplier.
It processes electrical signals to detect abnormalities (e.g., short circuits, overloads) and executes trip commands to isolate faulty sections, ensuring system safety and reliability.
It enables programmable settings, faster response times (milliseconds), advanced algorithms (e.g., harmonic analysis), communication capabilities, and self-diagnostics compared to electromechanical relays.
IEC 60255 for measuring relays, IEEE C37.90 for withstand capabilities, and industry-specific standards like IEC 61850 for communication in substations.
Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.