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Top AC Metal Ring Network Switchgear(Vacuum Switch） Manufacturers and Suppliers in China

AC Metal Ring Network Switchgear(Vacuum Switch）

DEMIKS stands as the foremost manufacturer in China for high-grade AC Metal Ring Network Switchgear, also known as Vacuum Switch. For any electrical solutions, we provide the most dependable answers. Get in touch with us for further inquiry!

HXGN17-12 AC Metal Ring Network Switchgear(Vacuum Switch）

HXGN17-12 AC Metal Ring Network Switchgear(Vacuum Switch）

  • Purpose and Use: For metropolitan electric grids, dealing with loads and short-circuit currents.

  • Switch Mechanism: Includes FZRN25/FZRN21 vacuum load switches; manual or electric control.

  • Compact and Safe: Minimal in size and weight, explosion proof, preserves “five precautions” safety reliability.

  • Standards Compliance: Conforms to GB3906 and IEC60420 specs.

  • Environmental Adaptability: Functional from -15°C to +40°C, below 1000 meters, and daily humidity less than 95%.

  • Seismic and Pollution Resistance: Earthquake resilience up to 8 on the scale and in non-polluted environments.

HXGN17-12 AC Metal Ring Network Switchgear(Vacuum Switch）-1
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HXGN17-12 AC Metal Ring Network Switchgear(Vacuum Switch）-4
ProjectUnitFKN12-12FZN25-12
Rated VoltagekV12
Power Frequency Withstand VoltageEarth and phase: 42; Isolation fracture: 48Earth and phase: 42; Isolation fracture: 48
Lightning Impulse Voltage (Peak)Ground and phase: 75; Isolation fracture: 85Ground and phase: 75; Isolation fracture: 85
Rated FrequencyHz5050
Main Busbar Rated CurrentA630630
Load Switch Specifications
SpecificationUnitFKN12-12FZN25-12
Rated CurrentA630630
Rated Current LifeTimesNot less than 100Not less than 100
Breaking Capacity of No-Load TransformerkVA12501250
Rated Thermal Stable CurrentkA/s20/4; Grounding switch: 20/220/4; Grounding switch: 20/2
Rated Dynamic Current (Peak)kA5050
Rated Short Circuit Closing Current (Peak)kA5050
Fuse Rated CurrentkV100100
Rated Transfer CurrentA15002000
Rated Short-Circuit Breaking CurrentkA315315
With Fuse TypeSOLAJ-12 (XRNTO-10)SOLAJ-12 (XRNTO-10)

Key Differences Between Ring Main Unit and Switchgear: Understanding RMU and Switchgears

Correctly managing electrical systems require an understanding of the difference between Ring Main Units (RMUs) and switchgear as both have their importance in protection and distribution of power. The two devices differ in application, configuration, and operation.

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