SE-330-23-11

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The SE-330-23-11, belonging to the category of Protection Relays & Systems, is a reliable, low voltage system used in circuit breakers and other protective devices of industrial electrical systems. It provides a reliable source of protection for the system against fault conditions and over-voltages. It is designed to operate in both urban and rural areas to protect against short-circuit, overloading, overvoltage, and ringing faults.

This system operates on a voltage of 230 V AC and consists of two units: a control module and a test module. The control module includes a voltage sensor, an input terminal, and a relay. The input terminal is used to receive the circuit breaker\'s input voltage and is connected to the relay\'s coil. The relay\'s contact is connected to the test module, which contains a shunt resistor, a short-circuit detection circuit, and a timer.

The voltage sensor monitors the voltage at the input terminal of the control module. When the voltage rises above a predetermined level, the sensor sends a signal to the relay, which in turn opens and closes the circuit. The short-circuit detection circuit is activated when the voltage rises above the predetermined level and then deactivated when the voltage drops below the predetermined level. The timer determines how long the short-circuit detection circuit is active and can be adjusted to different periods of time.

The SE-330-23-11 system also contains a protection module, which contains a digital processor and a programmable memory. This module is used to store the adjusted time settings and other settings for the system. The processor also monitors and controls the shunt resistor and the short-circuit detection circuit to ensure that the circuit breaker closes during a short-circuit event and can be adjusted to prevent the circuit breaker from tripping during an overload or overvoltage.

The SE-330-23-11 leakage protection system is designed to detect and trip the circuit breaker on leakage current in a system. Leakage current is a current flowing between two phases, two neutral, or a phase and neutral. The system has two types of detectors, which can detect both direct and indirect leakage currents. The direct leakage current detector is used to detect current leakage directly from one conductor to another through insulation, while the indirect leakage current detector is used to detect current leakage through the grounding wires.

The SE-330-23-11 detection device consists of a relay and a sensor. When a current flows through the sensor, it sends a signal to the relay, which in turn opens and closes the circuit breaker contacts. The trip time and current reactions can be adjusted in order to ensure the highest degree of protection for the system.

The SE-330-23-11 system provides a reliable and stable protection for industrial electric systems against fault conditions, over-voltages, and leakage current. Its flexible design enables easy installation and maintenance, making it an ideal choice for any industrial application.

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