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24kV Maintenance-Free zero gas switchgear
  • 24kV Maintenance-Free zero gas switchgear
Attributs clés
Marque ROCKWILL
Numéro de modèle 24kV Maintenance-Free zero gas switchgear
tension nominale 24kV
courant nominal 1250A
fréquence nominale 50/60Hz
Série PureInsul
Descriptions de produits du fournisseur
Description

Description

The 24kV Maintenance-Free Gas-Insulated Switchgear is a cutting-edge medium-voltage power distribution device engineered for efficiency, reliability, and low operational overhead. Designed to meet the demands of modern urban grids, industrial facilities, and renewable energy projects, it combines advanced gas insulation technology with a maintenance-free architecture to eliminate routine upkeep—all while ensuring stable power transmission.

Featuring hermetically sealed stainless-steel enclosures filled with low-GWP (Global Warming Potential) insulating gas, the switchgear avoids gas leakage and degradation, eliminating the need for regular refills or component inspections. As a key unit in 24kV distribution networks, it delivers consistent performance in diverse environments, from high-humidity industrial zones to compact urban substations, making it a sustainable choice for long-term grid stability.

Feature

  • True Maintenance-Free Operation:Hermetic gas chambers (leak rate ≤ 0.05%/year) and wear-resistant mechanical components eliminate routine tasks like gas replenishment, part replacement, or cleaning. Reduces lifecycle operational costs by up to 70% compared to traditional switchgear.

  • 24kV-Level Reliability:Equipped with vacuum interrupters for efficient arc extinction and robust insulation, it withstands short circuits (up to 25kA/3s) and voltage fluctuations, ensuring a power supply reliability rate of ≥ 99.99%.

  • Eco-Friendly Gas Insulation:Uses low-GWP insulating gas (compliant with EU F-gas regulations) to minimize environmental impact. Fully sealed design prevents gas leakage, enhancing safety for personnel and surrounding ecosystems.

  • Compact & Flexible Installation:Modular design reduces footprint by 30% vs. air-insulated alternatives, fitting tight spaces like underground substations or industrial workshops. Supports quick on-site assembly for rapid deployment.

  • Smart Readiness:Compatible with intelligent monitoring systems to track real-time parameters (gas pressure, temperature, operational status) and trigger alerts for anomalies, enabling predictive grid management.

Product Parameters

Serial Number

Item

Unit

Parameter

1

Rated Voltage

kV

24

2

Rated Current

A

630/1250

3

Rated Frequency

Hz

50

4

1minPower Frequency Withstand Voltage

Phase-to-Phase and Ground

kV

65

Isolation Break

kV

79

5

Lightning Impulse Withstand Voltage

Phase-to-Phase and Ground

kV

125

Break

kV

145

6

Rated SF6 Gas Pressure

(Gauge Pressure at 20℃)

MPa

0.04

7

SF6Annual Leakage Rate

%

≤0.05

8

Protection Level

SF6Gas Chamber

IP67

Cabinet Body

IP4X

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