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Ningbo Macwey Industrial Technology Co.,Ltd
Ningbo Macwey Industrial Technology Co.,Ltd
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12kV SF6 Gas Insulated RMU Switchgear Ring Main Unit

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12kV SF6 Gas Insulated RMU Switchgear Ring Main Unit

Brand Name : Macwey

Model Number : MKF-12

MOQ : 1

Price : $1000-$3000

Payment Terms : T/T

Supply Ability : 1000

Delivery Time : 20 days

Name : Name

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SF6 Insulated Ring Main Unit (RMU) (sulfur hexafluoride gas insulated switchgear)

SF6 gas cabinet (sulfur hexafluoride gas insulated switchgear) is a high-voltage electrical equipment that uses SF6 gas as an insulating and arc-extinguishing medium Core Advantages: Miniaturization: The high insulation of SF6 makes the equipment volume more than 50% smaller than that of air-insulated cabinets. High reliability: Fully enclosed structure, not affected by the environment (humidity, dirt, altitude). Maintenance-free: SF6 gas has high stability and the contacts are almost non-oxidized in an inert environment. Long life: The design life can reach more than 30 years. Safety: No fire risk, low operating noise.
Application Areas: Substation: incoming, outgoing and connecting lines of medium and high voltage distribution systems. Industrial electricity: Harsh environments such as mining, metallurgy, and chemical industry. Urban power grid: Places with high space requirements such as subways, airports, and data centers. Renewable energy: Boosting and grid connection of wind farms and photovoltaic power stations.
No.
Item

Unit
Technical Parameter
1
Rated voltage
KV
12
2
Rated current
A
1250
3
Rated short-time power frequency withstand voltage (effective value)
KV
42
4
Rated lightning impulse withstand voltage (peak value)
KV
75
5
Rated short-circuit breaking current (effective value)
KA
31.5
6
Rated short-circuit making current (peak value)
KA
80
7
Rated thermal stability current (effective value)
Main circuit(4S)
KA
31.5
Ground loop(4S)
KA
27.3
8
Rated dynamic stability current (peak value)
Main circuit
KA
80
Ground loop
KA
68.3



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