12-24kV Permanent Magnet Switchgear-PowerMatrix Tech, Inc.

Core component features

Circuit breaker manual operating mechanism

Permanent magnet circuit breaker The circuit breaker adopts vacuum interrupters with the switch opening time＜5ms and opening current＜25A, which fully meets the technical requirements of China Southern Power Grid.

Circuit breaker manual operating mechanism adopts a precision transmission structure with a reclosing function, which is of accurate output angle, great output power and efficient transmission .

Disconnector To completely avoid misoperation, the disconnector adopts a three-position design, and the earth switch has a peak making capacity of 63kA.

Disconnector mechanism The three-position mechanism adopts a single spring, double operating shaft design, which ensures accurate closing and opening without overshoot, and can be motorized.

Core component features

Circuit breaker manual operating mechanism adopts a precision transmission structure with a reclosing function, which is of accurate output angle, great output power and efficient transmission .

Disconnector To completely avoid misoperation, the disconnector adopts a three-position design, and the earth switch has a peak making capacity of 63kA.

Disconnector mechanism The three-position mechanism adopts a single spring, double operating shaft design, which ensures accurate closing and opening without overshoot, and can be motorized.

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Ratings & Specifications Operating Environment External Dimensions

Rated voltage	12 kV
Rated frequency	50 Hz
Rated current	630 A
Rated short circuit breaking current	25 kA
Rated short circuit making current	63 kA
Rated withstand current (peak)	63 kA
Rated short time withstand current	25 kA/2s
Rated power frequency withstand voltage	42/48 kV
Rated impulse withstand voltage	75/85 kV
Earth moving contact short-circuit making ability	5 times

12-24kV Permanent Magnet Fast Switchgear shall comply with GB/T 3906-2020，GB/T 11022-2011，GB/T 3804-2017，GB/T 1984-2014，GB/T 1985-2014，GB 3309-1989，GB/T 13540-2009，GB/T 13384-2008，GB/T 13385-2008，GB/T 191-2008，GB/T 311.1-2012 and other standards.

Item Parameter

Ambient temperatureMaximum temperature +50℃；
Maximum temperature（24h average） +35℃；
Minimum temperature -40℃；

HumidityMaximum average relative humidity (24 hours ≤ 95%; monthly ≤ 90%)

IACAFLR 20kA 1s

Service continuity categoryLSC 2A

Cable bushing standardDIN47636T and T2/EDF HN 525-61

Altitude≤ 4000m (under standard inflation pressure)

Gas pressureLower than 20 ℃, 1.2bar (absolute pressure)

Annual leakage rate0.25‰/year

Immersion test0.3 bar pressure underwater 24h

Protection degreeTank IP67
Mechanism IP67
Enclosure IP41

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陈育鑫 Ezzat 臧文明刘福财 James Zhu 闫涛谈宏波陈跃欣张正辰王晓杰雒园王博博

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