Indoor gas-insulated medium voltage switchgear 10kV GI round main cabinet

  • Indoor gas-insulated medium voltage switchgear 10kV GI round main cabinet
Key attributes
Brand ROCKWILL
Model NO. Indoor gas-insulated medium voltage switchgear 10kV GI round main cabinet
Rated voltage 24kV
Rated frequency 50Hz
Series XGN58
Product descriptions from the supplier
Description

Indoor 10kV MV GIS ring main unit switchgear, gas-insulated safety cabinet

XGN58-12/24 RMU is a kind of composite device that seals all main circuit switches in metal furniture, and uses SF6 gas as an extinguishing and insulating medium. It is suitable for RMU and dual radiation power supply in 12/24kV power supply circuit. This product is especially suitable for industrial and commercial areas or rural areas with high density power supply load and using cable supply network. RMU has the advantages of safe operation, no weather influence, easy installation and maintenance, and space saving, and is suitable for installation in box-type transmission stations.

Terms of Service

  • Altitude: 3000m above sea level
  • Ambient temperature: Maximum: +40C, Minimum: -40C
  • Relative humidity: Daily average is over 95%, Monthly average is over 90%
  • No corrosive or flammable gas contamination is observed. The earthquake intensity is not level 8.
  • There is no regular violent shaking, and the earthquake intensity is not higher than the night class;

Note: If any deviation from normal service conditions occurs, the customer may negotiate with the manufacturer.

Equipped with a load switch, a load Swiss fuse combination device, and a circuit breaker, the RMU is fully functional.

It is compact and lightweight, with a minimum volume of 350*820*1500 mm for a single unit.
Simple operation, safe use, and convenient maintenance.
The switch device can be used for 30 years without maintenance.
The RMU is designed to operate in all areas without exposed components and can operate for long periods in adverse environments.

Electrical parameters of the switching device

No Item Unit  Parameters
1 Quantitative voltage kV 12,24
2 Booth Balance's famous current A 630,1250
3 Accelerating current A 630
4 Frequency 1 minute Hz 50/60
5 Visible short-time resistive current kA  20/4, 25/2
6 Quantitative peak resistance current 50,63
7 Light circuit operating current 50,63
8 Spot current in load switch device with fuse wire A  100
9 Visible short circuit current Fuse kA 31.5
crack down machine 20,25
10 1 minute power frequency resistance
voltage
(Step by step/Step-Earth/Space) kV 42/48,65/79
Can withstand lightning impulse voltage
(peak value)
(Step by step/Step by ground) (Step by step/Step by ground) 75/85,125/145
11 Circuit resistance  load switch device μΩ  130
Composite device cabinet (does not include sebum resistor) 250
Circuit breaker cabinet SF6 140
12 SF6 gas pressure (measured at 20oC) MPa 0.04
13 SF6 gas annual leak rate   ≤0.2%
14 Protection class (gas-filled box)    IP67
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