Schneider Electric ACE949-2 is a high-performance RS485 communication interface designed for Sepam Series 20, 40, 60, and 80 digital protection relays. Featuring Modbus RTU protocol support over E-LAN and S-LAN, this module ensures seamless integration of Sepam devices into your monitoring and control systems. With a wide supply voltage range of 12/24V DC, robust mechanical resistance, and LED status indication, it is ideal for industrial applications demanding reliability and clear communication.

Sepam series 80
SEP383

UMI indication:
-Status of logic inputs
-Logipam data
-Metering and diagnosis data
-Main protection settings
-Version of Sepam and remote modules
-List of activated protection functions
-Alarms and operating messages

UMI control:
Alarm acknowledgement
Output testing
Sepam reset

128 x 64 pixels
Number of key 9
2 LEDs for Sepam operating status (back part)
2 LEDs for Sepam operating status (front face)
9 LEDs for indication of parameters (front face)

Schneider Easergy P3U (REL52003) is a high-performance, universal protection relay designed for medium-voltage applications, including feeder, motor, and transformer protection. Part of the advanced Easergy P3 series, this specific model is a powerhouse of connectivity and monitoring, featuring a comprehensive hardware suite: 3 Phase CTs, 1 Residual Current (Io), and 4 Voltage Transformers (VT).

Engineered for the modern digital substation, the REL52003 includes 16 Digital Inputs (DI) and 8 Digital Outputs (DO), operating on a versatile 48-230V power supply with 24V DI thresholds. Its dual RJ45 communication ports support seamless integration with SCADA systems via IEC 61850, Modbus, and DNP3 protocols. For major infrastructure projects in Egypt—from the New Administrative Capital to industrial zones—the Easergy P3U offers unmatched reliability, arc flash protection, and a user-friendly eco-structure interface for rapid commissioning.

Technical Features:

Universal Protection: Combined Feeder and Motor protection in a single, compact unit.

Extensive I/O Suite: 16 Digital Inputs and 8 Digital Outputs for complex interlocking and signaling.

Dual Ethernet Ports: 2x RJ45 connectors supporting high-speed communication and redundancy.

Arc Flash Protection: Built-in capability to detect and mitigate arc flash hazards, increasing personnel safety.

Flexible Power Supply: Wide range 48-230V AC/DC supply to fit various substation battery systems.

Vivid Color HMI: Large display for real-time monitoring of phasors, measurements, and fault records.

Product Type: Digital Protection Relay
Model: Sepam S82
Application: Substation and industrial distribution protection
Manufacturer: Schneider Electric

Protection Functions:
Phase Overcurrent (50/51)
Ground Overcurrent (50N/51N)
Negative Sequence Overcurrent (46)
Thermal Overload Protection (49)
Breaker Failure Protection (BF)
Remote Trip Function (RTr)

Measurement & Metering:
RMS current measurement for each phase and neutral
Peak demand metering
Real-time and historical fault records

Control Capabilities:
Trip commands to circuit breakers
Status supervision of breakers and isolators
Time tagging of events and alarms

Communication:
Modbus RTU and IEC 870-5-103 protocols (standard)

Modbus TCP/IP and IEC 61850 with communication modules

Display & Interface:
Built-in LCD for local parameter display
LED indicators for protection trip/alarm

Mounting:
Flush-mounted in control panel
Optional remote HMI (MIU)

Auxiliary Power Supply:
24–250 V DC or 48–230 V AC

Operating Conditions:
Operating Temperature: –10°C to +60°C
Protection Class: IP52 (front), IP20 (rear)