33kV auto recloser

Switch Cabinet
Transport Package
Working Ambient Temperature
-24~50 Degrees C
Creepage Distance
Ice-Coverage Thickness
Wind Speed
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The33kV auto recloser are recently-developed pole-mounted intelligent vacuum circuit reclosers of a new generation, which absorb the advanced domestic and foreign technologies adopted by our company. It is intelligent, energy-saving, environemntally-friendly and maintenance-free.

This product integrates such functions as control, protection, measurement, fault positioning, online monitoring and synchronous closing. With full functions and high digitalized and intelligent degree, it is a best choice for power distribution equipment network automation and intellectualization process.

This product conforms to IEC60044-1, IEC60060, IEC60068-2, IEC60099-4, IEC60255-27, IEC60270, IEC60280.1, IEC60529, IEC60694, IEC60815-1, IEC60870-5-101, IEC61000-4, IEC61243-5, IEC62271, standards, etc.

Major Technical Parameters are shown below:

Rated voltage kV 33
Rated current A 800/1250
Rated frequency Hz 50
1min power frequency withstand voltage (to earth/open contacts) kV 70
Rated lightning impulse withstand voltage (to earth/open contacts) kV 170
Rated short circuit break current kA 12.5/16
Rated short circuit making current (peak) kA 25/31.5
Thermal stable current(4s) kA 25/31.5
Rated short circuit current break time Time 20
Closing time ms ≤100
Opening time ms ≤70
Average open speed m/s 1.3~1.8
Average close speed m/s 1.0~1.7
Mechanical time Time 10000
Rated operation sequence of circuit breaker   O-t1-CO-t2-CO-t2-CO-lockout*
Current transformer ratio   Optional
Accuracy degree   Optional
Shell protection degree   IP64
Weight kg 140

* - time can be adjustable. t1: 0.1-0.3s, t2: 1-3s


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