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Recloser

Applications

Prevent transient incidents.
Coordinating protection with the feeder circuit breaker to automatically isolate the fault part and re-establish power supply to reduce interruption time and improve grid reliability.
Integrated SCADA data communication, protection, and measurement features for easy operation management
Environmentally durable, reliable and maintenance-free.

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1. Self-closing circuit breaker – Recloser

2.Recloser’s role in grid operation

Prevent transient failures and/or coordinate protection with feeder circuit breakers to automatically isolate the fault part, re-establish power supply to reduce interruption time, contributing to improved reliability reliability of the grid.
Circuit breaker control cabinet includes: digital controller integrated with measurement, protection, data communication, SCADA,…; power supply to control the device on/off and backup power.
Design, manufacture, test and manufacture according to IEC 62271-111 standard. Epoxy (Solid) or SF6 intermediate insulation; Vacuum contactor meets high switching times > 10,000 times.
Magnetic Actual switching mechanism ensures reliable, durable and maintenance-free switching.
Built-in voltage and current sensors (Built-in) provide operating data of equipment and power grid, etc. to meet protection, remote control and communication features data oriented smart grid IEC 60870-5-101/104 or DNP3.0

3.Technical data

– Rated Voltage (kV)

– Rated Current (A)

– Rated frequency (Hz)

– Withstand voltage at power frequency (50Hz)

– Lightning impulse withstand voltage 1.2/50 m

– Rated short circuit current (kA)

– Number of switching times at rated load (Times)

24(25.8)

630

50 / 60

150