About SIEMENS 7XT3300-0CA00 EE EARTH FAULT

SIEMENS 7XT3300-0CA00/EE EARTH FAULT

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

High Sensitivity and Fast Response

The SIEMENS 7XT3300-0CA00 offers adjustable sensitivity from 30mA to 3A and responds within 60 milliseconds, ensuring prompt detection of earth faults. Its microcontroller-based design enhances accuracy and reliability, helping protect electrical panels from damage. The digital controls and status indicators make configuration and monitoring simple for operators.


Flexible Application and Mounting

Designed for both single and three-phase systems, this relay adapts to a broad spectrum of electrical environments. You can install it using panel or DIN rail mounting, adding ease to integration in various control panels. Its compact 45mm x 45mm cutout and durable housing ensure longevity and resilience even in demanding industrial conditions.


Compliance and Safety Features

Compliant with IEC/EN 60947-5-1 standards, the relay incorporates flame retardant plastics for housing, self-powered functionality, and built-in trip indication through LED displays. With its IP20 rating and operation across wide temperature and humidity ranges, it delivers reliable safety and performance for diverse installations.