🔵 ABB SYMAP EC — Digital Protection Relay

Advanced Protection and Monitoring for Electrical Systems

The ABB SYMAP EC Digital Protection Relay is a high-performance relay designed for protection, monitoring, and control of medium-voltage and low-voltage electrical systems. It combines precise measurement, advanced digital processing, and configurable protection logic to safeguard generators, motors, transformers, and distribution networks. This relay enhances system reliability, reduces downtime, and provides comprehensive diagnostics for industrial, power generation, and utility applications.

Designed for both standalone and integrated systems, the SYMAP EC relay supports multiple protection functions, configurable logic schemes, and remote communication capabilities. It ensures rapid detection and isolation of faults while maintaining system stability and continuity of supply.

📑 Technical Parameters (Datasheet-Style Table)

Parameter	Specification
Model	SYMAP EC Digital Protection Relay
Type	Digital multi-function protection relay
Rated Voltage	110–415 VAC / 24–250 VDC (control input)
Current Inputs	Compatible with CTs up to 5 A / 1 A secondary
Protection Functions	Overcurrent, short-circuit, earth fault, phase imbalance, voltage protection
Measurement Accuracy	±0.5% for voltage and current
Operating Frequency	50/60 Hz
Trip Time	Programmable, typically < 50 ms for high-current faults
Display	LCD or LED interface for status and measurements
Communication Ports	RS-485 Modbus, optional Profibus/DNP3
Operating Temperature	–20 °C to +70 °C
Storage Temperature	–40 °C to +85 °C
Mounting	Panel or DIN rail mount
Environmental Rating	IP20 / IP21, industrial indoor use
Standards Compliance	IEC 60255, IEC 60947-1

⚙ Functional Features

🟩 Multi-Function Protection

Provides comprehensive protection for overcurrent, short-circuit, earth faults, phase imbalance, under/over-voltage, and frequency deviations. Configurable trip logic enables precise response tailored to system requirements.

🟩 High-Speed Fault Detection

Advanced digital processing ensures rapid detection and isolation of electrical faults, minimizing equipment damage and system downtime.

🟩 Monitoring and Diagnostics

Real-time measurement of voltage, current, frequency, and power. Historical event logging and fault records allow detailed post-event analysis.

🟩 Communication and Integration

Supports multiple communication protocols for remote monitoring, control, and integration with SCADA or automation systems. Enables centralized system management.

🟩 User-Friendly Interface

LCD/LED displays provide clear visualization of system status, measurement values, and fault indications. Easy configuration through front-panel menus or remote software tools.

🛠 Installation & Operation Tips

Mount on a stable panel or DIN rail, ensuring adequate ventilation.
Connect CTs and VTs according to wiring diagrams, observing correct polarity.
Configure protection settings according to system requirements, including trip thresholds, time delays, and coordination with upstream/downstream devices.
Test and calibrate the relay during commissioning and after maintenance.
Periodically review event logs and settings to ensure continued system protection.

For technical support and spare parts:
🔗 https://www.dcsplcsystem.com/
🔗 https://www.dcsplcsystem.com/abb

📦 Recommended Similar Products

Model	Description	Function	Application
SYMAP EC2	Enhanced digital protection relay	Multi-function protection	Medium-voltage industrial systems
REF615	Generator protection relay	Overcurrent, earth fault, voltage	Power generation units
REJ610	Motor and transformer protection	Phase imbalance, short-circuit	Industrial motors and transformers
RCC-30 Digital Relay	Multi-channel protection	Fast trip and monitoring	Distribution networks
ABB Ekip Touch Relay	Multi-function protection and monitoring	SCADA compatible	Industrial automation and generators

ABB SYMAP EC — Digital Protection Relay