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Wenzhou Unisun Electric Co., Ltd.

7.2kv Load Break Switch, Load Break Switch, Sf6 Load Break Switch manufacturer / supplier in China, offering Sf6 7.2kv Load Break Switch, Air Insulation 17.5kv Ring Main Unit (ISM6), Air Insulation 24kv Ring Main Unit ISM6 and so on.

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Supplier Homepage Product Load Break Switch Sf6 7.2kv Load Break Switch

Sf6 7.2kv Load Break Switch

FOB Price: US $100 / Set
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $100/ Set
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Production Capacity: 50000
Transport Package: Wooden
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: iSC6
  • Structure: Three-column Disconnector
  • Operation: Electric
  • Movement Mode: Horizontal Rotary Type
  • Grounding: Single Ground
  • Run: Turn the Horizontal
  • Common Model: VR
  • Certification: GS, RoHS, CE, ISO9001
  • Tag: Load Break Switch
  • Specification: 7.2KV
  • HS Code: 85372090
  • Type: High-voltage
  • Installation: Indoor High-voltage
  • Grounding Mode: Grounding
  • Number of Poles: Three Pole
  • Series: Three
  • Switching Mode: Single Throw-in
  • Structure of Operating: Pneumatic
  • Brand: Unisun
  • Trademark: UNISUN
  • Origin: China
Product Description

iSC6 SF6 7.2Kv Load Break Switch

MV Indoor switch disconnector

Description
iLBSkit is a switch or switch combination is suitable for compose air insulation ring main unit for up to 36 kV.
iLBSkit is designed for indoor applications, and meets requirements concerning human safety as well as ease of installation, operation and protection of the environment.
 
Feature
  • Upgradability
  • Compact
  • Maintenance
  • Easy installation
  • Ease and safe to operate
Standards
iLBSkit units meet following standard: IEC62271-103/ IEC 62271-102/ IEC 62271-200
 
Dimensions and weights
630 A switch - 630 A disconnector                                                 Weight: 50 kg
Below view                                      Side view                        Front view

Sf6 7.2kv Load Break Switch




36KV 630 A switch - 630 A disconnector (width 750 mm)                                     Weight: 75 kg
Below view                                   Side view                        Front view
Sf6 7.2kv Load Break Switch

 
 

Switch or disconnector and earthing switch
Gas tightness
The three rotating contacts are placed in an enclosure filled with gas to a relative pressure of 0.4 bar (400 hPa) for iLBSkit 12-24 kV and 1 bar (1000 hPa) for iLBSkit 36 kV. It satisfies "sealed pressure system" requirements and seal tightness is always factory checked.

Operating safety
  • The switch may be in one of three positions: "closed", "open", or "earthed", representing a natural interlocking system that prevents incorrect operation. Moving-contact rotation is driven by a fast-acting mechanism that is independent of the action of the operator.
  • The device combines the breaking and disconnection functions.
  • The earthing switch placed in the SF6 has a short-circuit making capacity, in compliance with standards.
  • Any accidental over-pressures are eliminated by the opening of the safety membrane, in which case the gas is directed toward the back of the unit, away from the operator.
Sf6 7.2kv Load Break Switch

Main characteristics SF6 Load Break Switch
Rated voltage (kV)7.2
Insulation level
50 Hz, 1 minInsulation20
(kV rms)Isolation23
1.2/50μsInsulation60
(kV peak)Isolation70
Short-time withstand current
Short-time withstand current 25630A
(kA.1 s)20630A
 16630A
 12.5630A
Disconnector (kA/1 s)25630 - 1250 A
20630 - 1250 A
16630 - 1250 A
12.5630 - 1250 A
Maximum breaking capacity
Transformer off load (A)16
Cables off load (A)31.5
Switch (A)630
Fuse-switch ** (kA)25
The making capacity is equal to 2.5 times the short-time withstand current.
(*) Equipped referring to installation guide, and setting up at an altitude below 1000 m.
(**) Depending on fuse characteristics, and on using of Schneider Electric Fusarc CF fuses.

Endurance
UnitsMechanical enduranceElectrical endurance
SwitchIEC62271-103                    IEC62271-103
Fuse-switch1000 operations                   100 breaks at In, p.f. = 0.7
 Class M1                          Class E3
DisconnectorIEC 62271-102
1000 operations
Temperatures
The products must be stored in a dry area free from dust and with limited temperature variationsl   for stocking: from -40°C to +70°C
l   for working: from -5°C to +40°C
l   other temperatures, consult us


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Sf6 7.2kv Load Break Switch

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Sf6 7.2kv Load Break Switch

 
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