Description
Callenberg SYMAP ECG-8549
Technical Specifications
- Product type: Network monitoring relay
- Measurement: Voltage, current, frequency
- Supply: AC / DC wide
- Output: Relay contacts
- Display: LED / LCD
- Operating temperature: -20 °C to +60 °C
- Storage temperature: -40 °C to +85 °C
- Humidity: 5 % to 95 %, non-condensing
- Protection: IP20
- Mounting: DIN rail
- Accuracy: 1 class
- CT input: 5 A
Functional Features
- Voltage and frequency monitoring
- Overvoltage / undervoltage
- Overcurrent
- Adjustable delay
- Relay alarm output
- Front LEDs
- Self-powered option
- Wide supply range
- Compact DIN rail
- Event indication
Application Scenarios
- LV distribution monitoring
- Generator network protection
- MCC voltage supervision
- Industrial switchgear alarm
- UPS input monitoring
Materials and Construction
- Housing: Flame retardant plastic
- PCB: FR4
- Relay: Sealed
- Transformer: Miniature CT/PT
- Terminals: Screw
- LED: Indicators
Structural Features
- DIN rail narrow module
- Top/bottom terminals
- Front LEDs
- Internal sampling and relay
- DIN rail clip
- No fan
Working Principle PT/CT signals sampled; CPU compares to setpoints. On violation after delay, relay output changes. LEDs show normal or alarm.
Installation Requirements
- DIN rail mount
- Connect voltage and CT wiring
- Set thresholds
- Grounding
- Temperature -20 °C to +60 °C
- Test function
- CT not open
Precautions
- CT secondary not open
- Voltage match
- Do not short PT
- Periodically test
- Store spares dry
- Adjust hysteresis
