About SIEMENS 7XT3300-0BA00 FF EARTH FAULT RELAY

SIEMENS 7XT3300-0BA00 FF EARTH FAULT RELAY

20 HZ FREQUENCY GENERATOR FOR EARTH FAULT 100% PROTECTION THE 20HZ FREQUENCY GENERATOR CREATES A 20HZ SQUARE WAVE VOLTAGE WITH AN AMPLITUDE OF APPROX. 25V. THIS VOLTAGE IS CONNECTED VIA BANDPASS AND A LOAD RESISTOR TO THE STATOR CIRCUIT OF THE GENERATOR. THE FREQUENCY GENERATOR IS CONNECT. (THREE PHASE) TO THE VOLTAGE TRANSFORMER. ALTERNATIVELY A POWER SUPPLY VIA THE STATION BATTERY(100,220V DC) IS POSSIB. MAX. POWER CONSUMPT.APPROX.80VA MEASUREMENT VALUE PROCESSING WILL DONE BY 7UM515 IN 7XP20 CASE FOR

Advanced Earth Fault Protection Technology

The 7XT3300-0BA00 FF relay incorporates state-of-the-art detection technology using Core Balance Current Transformer (CBCT) sensors. Its wide sensitivity range enables precise monitoring of leakage currents, resulting in early fault detection and reduced downtime in electrical installations. LED indications offer immediate visual status, while the automatic or manual reset function ensures maximum operational flexibility and safety.


Designed for Versatile Applications

Engineered for compatibility with both single and three-phase electrical circuits, this Earth Fault Relay offers broad application across industrial, commercial, and utility sectors. DIN rail mounting and terminal screw connectivity simplify installation, making it suitable for new or retrofit projects. Compliance with IEC 60255 and IS 3231 standards confirms its reliability and quality for mission-critical protection tasks.