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P632-84901194

The ALSTOM P632-84901194 is a protection relay or control module from Alstom’s (now Hitachi Energy) P63x series, designed for electrical power system protection and automation. It is typically used in medium-voltage (MV) and high-voltage (HV) networks, providing advanced fault detection, monitoring, and control for transformers, feeders, motors, or generators.

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Key Features
Protection Functions

Overcurrent & Earth Fault Protection (50/51, 50N/51N)

Directional Overcurrent (67) – For selective tripping in grid applications.

Thermal Overload Protection (49) – For motors & transformers.

Under/Overvoltage (27/59) & Frequency Protection (81H/81L).

Advanced Monitoring & Control

Real-time current, voltage, power, and energy measurements.

Event recording & oscillography (fault analysis).

Programmable logic (Flexible I/O & automation).

Communication & Integration

Supports IEC 61850, Modbus RTU/TCP, DNP3, or IEC 60870-5-103.

Compatible with Alstom/Hitachi Energy SCADA & control systems.

Rugged & Reliable Design

Industrial-grade construction for harsh substation environments.

LED indicators & LCD display for status monitoring.

Typical Applications
Electrical Substations (feeder, transformer, busbar protection).

Industrial Power Systems (motor protection, backup tripping).

Renewable Energy Integration (solar/wind farm grid protection).