Rockwill Electric Group
24kV Indoor SF6 Load Break Switch
Indoor SF6 load break switch RLS-24B manufactured by Rockwill in China. It adopts SF6 gas as an arc-extinguishing and insulation medium, including the three contactors for switching-on, switching-off and to-ground. ...

Detailed description

  • Description
  • Technical data of 24kV indoor sf6 gas load break switch
  • Structure and dimension of 24kV indoor sf6 gas load break switch
  • Ordering Instructions of 24kV indoor sf6 gas load break switch

24kV Indoor SF6 load break switch RLS-24B

General:
RLS-24B an indoor high-voltage SF6 load switch, an switchgear with the rated voltage of 12kV/24kV, adopted with SF6 gas as an arc-extinguishing and insulation medium, including the three contactors for switching-on and switching-off and to-ground, and is characteristic in its small volume, its convenient installation and operation and its great adaptability with surroundings.
RLS-24 of an indoor high-voltage SF6 load switch and RLS-12/24B of SF6 load switch plus fuse combination can function to protect and control the electric equipments for power supply and transformer substations especially being suitable for ring net cabinet, cable branch cabinet and distribution switching substation.
RLS-24 of an indoor high-voltage SF6 load switch and RLS-24B load switch plus fuse combination are complied with the standards of GB3804-1990, IEC60256-1,1997, GB16926, IEC60420 etc..

 

Service Environment:
a) Air temperature
Maximum temperature: +40℃; Minimum temperature:-5℃
b) Humidity:  Monthly average humidity 95%; Daily average humidity 90%.
c) Altitude above sea level    Maximum installation altitude: 2500m
d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
e) No frequent violent shake

 

Note: For short circuit breaking and peak current isbased on Fuseplus combination.

No
Item
Unit
Parameter
1
Rated voltage
kV
12/24
2
Rated frequency
Hz
50/60
3
Rated current
A
630/800
4
wet
1min Power frequency  withstand voltage
dry
kV
38/50
 
48/60
5
Lightning impulse withstand voltage
kV
75/125
6
Rated short circuit breaking current (peak)
kA
Depend on CB & Fuse
7
Rated activeload and close circuit breaking current
A
630
8
Rated transferring current
A
1700/1400
9
Rated short circuit making current (peak)
kA
40
10
Rated cable(line) charging breaking current
A
50 and 10
1 1
Cable charge breaking current in earthing fault
A
20
12
Rated withstand current (peak)
kA
40
13
Short time withstand current (2s)
kA
31.5
14
Mechanism life
times
5000

Matching dimension of SF6 load break switch-fuse combination Fig 1) SF6 load break switch without upper cubicle

24kV indoor sf6 gas load break switch structure

Outline dimension & installation sizes

drawing of 24kV indoor sf6 gas load break switch

Matters need attention

It is NOT allowed to disassembly the self-sealed valve in front of switch( connecting end of meter).

It is NOT allowed to unload the seal screws on switch at any time.

 

Ordering instructions:

1. Belowing terms should be marked while ordering:

Model number, product name and quantity.

Model of operating mechanism.

Provide the rated voltage specification if motorization operating is required.

For load break switch + fuse combination, fuse model and specification is required.

Other special requirements.

2. Documents with product from manufacturer:

Certificate of qualification.

Testing report for products.

Packing list.

Other technical documents.

SFG type 24kV indoor sf6 gas load break switch

Notice: All technical specification same as SC6. Except the installation sizes.

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