Model NO.: RLS
Poles Number: 3
Type: Circuit Breaker
Certification: ISO9001-2000
Trademark: Rockwill
Transport Package: Carton
Specification: IEC, GB
Origin: China
HS Code: 8535210000
Product Description

iSC6 SF6 Load Break Switch

MV Indoor switch disconnector

1) 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.

2) Feature
  • Upgradability
  • Compact
  • Maintenance
  • Easy installation
  • Ease and safe to operate
3) Standards
iLBSkit units meet following standard: IEC62271-103/ IEC 62271-102/ IEC 62271-200

4) Dimensions and weights
SF6 12kv Load Break Switch
36KV 630 A switch - 630 A disconnector (width 750 mm) Weight: 75 kg
Below view    Side view Front view
SF6 12kv Load Break Switch
SF6 12kv Load Break Switch
SF6 12kv Load Break Switch

5) 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 12kv Load Break Switch
    6) Main characteristics SF6 Load Break Switch
    Rated voltage (kV) 7.2 12 24 36
    Insulation level
    50 Hz, 1 min
    (kV rms)
    Insulation 20 28 50 70
    Isolation 23 32 60 80
    (kV peak)
    Insulation 60 75* 125 170
    Isolation 70 85 145 195
    Short-time withstand current
    Short-time withstand current 
    (kA.1 s)
    25 630A
    20 630A
    16 630A
    12.5 630A
    Disconnector (kA/1 s) 25 630 - 1250 A 1250A
    20 630 - 1250 A
    16 630 - 1250 A
    12.5 630 - 1250 A
    Maximum breaking capacity
    Transformer off load (A) 16
    Cables off load (A) 31.5 50
    Switch (A) 630
    Fuse-switch ** (kA) 25 20
    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.

    Units Mechanical endurance Electrical endurance
    Switch IEC62271-103      IEC62271-103
    Fuse-switch 1000 operations       100 breaks at In, p.f. = 0.7
      Class M1              Class E3
    Disconnector IEC 62271-102
    1000 operations
    The products must be stored in a dry area free from dust and with limited temperature variations l   for stocking: from -40°C to +70°C
    l   for working: from -5°C to +40°C
    l   other temperatures, consult us
SF6 12kv Load Break Switch

1.The payment term: We accept TT,30% deposit and 70% balance against copy of BL.
2.The delivery time: Usually it will take about 15-20 days.
3.The standard of package: Usually use strong plywood case for protection.
4.The material of transformer: We have two types, one is with copper and another one is with aluminum. It depends on your requirement. In fact, those two have difference if normal work well. Only except the long life. Copper is better and also higher price.
5.The logo: If you have good quantity, it absolute no problem to do OEM.
6.Our market: our products are popular in Indonesia, Philippines, Russia, USA, Middle East and so on. Some of them are our regular customers and some of them are developing. We hope you can join us and make mutual benefit from our cooperation..
7.Warranty: in 12 month since BL date.


1.quick response in before sales period help you got order.
2.excellent service in production time let you know each step we made.
3.reliable quality solve you after sale headache.
4.long period quality warranty ensure you can buy without hesitate.


1. One-stop supplier globally.
2. More than 10 years professional experiences in electrical appliance industry. 
3.We offer professional online technology support for perfecting your electrical solution free.
4. Experienced sales service and suggestion.
5. All the products with accessories under strict quality control and final inspection before shipping.
6. We can assure the powerful competitive price and reliable quality products.
7. Most competitive shipping rate from our own shipping forwarder.
8. Warranty assurance: 12 month
9. Whatever big or small order, we can provide you one-to-one service.  


Contact person: Mr. Chen Chengming

Your Best Choice for Electrical Appliances Industry!!!
Please leave an inquiry to know more details about Price , Packing ,Shipping and Discount.

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