33kV auto recloser
- Switch Cabinet
- Transport Package
- Working Ambient Temperature
- -24~50 Degrees C
- Creepage Distance
- Ice-Coverage Thickness
- Wind Speed
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:
|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|
|Average open speed||m/s||1.3~1.8|
|Average close speed||m/s||1.0~1.7|
|Rated operation sequence of circuit breaker||O-t1-CO-t2-CO-t2-CO-lockout*|
|Current transformer ratio||Optional|
|Shell protection degree||IP64|
* - time can be adjustable. t1: 0.1-0.3s, t2: 1-3s