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Electrical System Integrated Solutions Provider

HomeProductsHigh And Low Voltage SwitchgearJLHC-12 Series Environmentally Friendly Gas Insulated Ring Main Unit

JLHC-12 Series Environmentally Friendly Gas Insulated Ring Main Unit

• 6kV / 10kV distribution applications

• Modular and flexible configuration

• Fixed and expandable unit options

• Fully sealed, maintenance-free design

Key Features

• 6kV / 10kV distribution applications

• Modular and flexible configuration

• Fixed and expandable unit options

• Fully sealed, maintenance-free design

• High reliability in harsh environments

• Expandable busbar for easy extension

• Safe insulated and shielded structure

• Smart grid and automation ready

• Easy installation and commissioning 

Main Technical Parameters

Technical Specifications Unit Data
Rated voltage kV 12
Rated frequency Hz 50
Rated current A 630
Rated short-circuit breaking current kA 20
Rated short-circuit making current kA 50
Rated short-time withstand current and duration (4s) kA 20
Rated peak withstand current kA 50
Insulation test voltage 1-minute power frequency withstand voltage kV 42
Lightning impulse withstand voltage kV 85
Main circuit resistance μΩ ≤150
Minimum operating pressure/rated operating pressure of environmentally friendly gas (20℃/gauge pressure) Mpa 0.02~0.03
Mechanical life Times 10000
Electrical life Class E2
Internal arc class kA/s 10/1
Annual gas box leakage rate V/V ≤0.1%
Protection level: cabinet/gas box / IP4X/IP67

Inquiry

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+86 13356653124

Understanding High and Low Voltage  Switchgear: The Core Hub of the Power...
Understanding High and Low Voltage Switchgear: The Core Hub of the Power...