PSF 38kV 25kA Gas Insulated RMU-PowerMatrix Tech, Inc.

Rated maximum voltage	38kV	Rated duration short-circuit	4s
Rated continuous current	630A	Rated short-time withstand current	25kA
Rated frequency	60Hz	Rated peak (or momentary rms) withstand current	65kA
Type of gas	SF6	Rated power frequency withstand voltage	80kV
Weight of gas	2.3kg	Rated lightning impulse withstand voltage	170kV
Alarm pressures(relative at 20°C)	30kPa	Rated filing pressure(relative at 20°C)	40kPa
Minimum functional pressure(relative at 20°C)	20kPa	Accessibility type	Type 2B
Internal-arcing short-circuit current and duration	25kA/0.5s

Item Parameter

Ambient temperatureMaximum temperature +75℃
Maximum temperature (24h average) +35℃
Minimum temperature -45℃

HumidityNormal operation: 24h avg RH < 95% (non-condensing)
Short-term peak withstand: RH >95% allowable
Monthly ava RH < 90% (non-condensina)

IACAFLR 25kA 0.5s

Service continuity categoryLSC 2A

Cable bushing standardGB/T12706.4、IEC60502、NF-EN-50181
GB/T 4109-2022、 IEC 60137:2017

Altitude≤ 2000m (under standard inflation pressure)

Gas pressureLower than 20 ℃, 1.4bar (absolute pressure)

Annual leakage rate0.25‰/year

Immersion test0.3 bar pressure underwater 24h

Protection degreeTank IP67
Enclosure IP54 / NEMA 3R

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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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