ALSTOM EP3-E-4-A (EPIC III) Industrial Controller

ALSTOM EP3-E-4-A is a high-performance, modular controller from the ALSTOM EPIC III (EP3) series, 

designed for critical industrial automation and power generation applications. This microprocessor-based unit serves as a compact hybrid I/O 

controller or master CPU, integrating control, protection, and communication functions. It is widely deployed in gas/steam turbine control, power plant auxiliaries, and electrostatic precipitator systems.

Status: Obsolete (Discontinued); available as new/used/refurbished spare parts.

Part Number: EP3-E-4-A

Series: EPIC III (EP3)

Type: Hybrid Controller / I/O Module

Power Supply: 24 V DC (-25%/+30%)

Power Consumption: < 30 W

I/O Configuration: Hybrid (Digital & Analog), up to 32-point I/O

Max. System Capacity: 1024 DI/DO, 256 AI/AO (via backplane expansion)

Communication: Redundant Ethernet, RS-485, CAN, Modbus RTU/TCP

Accuracy: Analog: ±0.1% ; SOE (Sequence of Events): <1 ms

Operating Temp: 0°C to +60°C (standard)

Dimensions: 262 (W) x 160 (D) x 25 (H) mm

Weight: Approx. 1.5 kg

Protection: IP20 (front), Overvoltage, Overcurrent, Overtemperature

Certifications: CE, UL, cUL, DNV, Lloyd's Register