Transformer Protection Relay TR-7577 Family

Salient features :

• Seven channel temperature scanner.
• Temperature indication range : – 20 to 250 °C.
• Fan exerciser function.
• Test Function to simulate operation of WTS.
• Three relay outputs for High (Alarm), Very High (Trip) and Fault / Fan (configure either as Fan or Fault relay at site).
• Independent set of setpoints for 7th Channel.
• 4-20mA and / or RS-485 output for remote temperature indication / SCADA application (view options).
• Aux. Supply : 85-270 VAC/DC (20-50 VAC/DC on demand)