Product Description

Gas-insulated indoor switch disconnector

The SFG is a gas-insulated switch disconnector for medium voltage switchgear within secondary distribution networks. There are several advantages that make the SFG concept suitable for many different applications. For instance the compact size and the lightweight construction of the switch disconnector are significant features for smart integration.

There are two types of operating mechanisms: the single spring device and the double spring device. Motor operation can be added to both types of operating mechanisms.

 

Feature

Safety

• Integrated voltage indicator
• Interlocking device
• Gas gauge, pressure indicator
• Inspection windows
• Non-corrosive leak-proof enclosure
• Pressure relief channel

Economy

• Long lifecycle
• High mechanical endurance
• Low maintenance costs
• Low environmental impact

Reliability

• Each unit is stringently tested
• Used worldwide in the Uniswitch
• Extremely durable and reliable operating mechanism

Smart integration

• Compact size
• One switch - many applications
• Easy installation
• Part of the UNISUN solutionStandards
  Compliance with IEC standards: IEC 60694; IEC 60265-1; IEC 60129; IEC 60420; IEC 60282-1; IEC 62271-102; IEC 62271-105; IEC 60265-1, Class E3; IEC 60420
  
  Technical data

  Ratings	Unit	Value	Value
  Rated voltage	kV	12	24
  Rated lighting impulse withstand voltage Common value	kV	75	125
  Across the isolating distance	kV	85	145
  Rated short duration power frequency withstand voltage Common value	kV	28	50
  Across the isolating distance	kV	32	60
  Rated frequency	Hz	50/60	50/60
  Rated current	A	800	630
  Rated short time withstand current	kA	25	20
  Rated duration of short circuit	s	2	3
  Rated peak withstand current	kA	62.5	50
  Making and breaking tests (IEC 60265-1, Class E3) for the SFG switch
  Mainly active load current	A	800	630
  Closed-loop distribution circuit current	A	800	630
  Cable charging current	A	50 and 10	50 and 10
  Line charging current	A	20	20
  Cable and line charging current under earth faults	A	87	87
  Short circuit making current	kA	62.5	50
  Making and breaking tests (IEC 60420) for the SFG switch - fuse combination
  Withstanding and making the cut-off current of the fuse	kA	25	20
  Breaking test with long prearcing time of fuse		Ok	Ok
  Breaking capacity at rated transfer current	A	1530	920
  Mechanical performance
  Mechanical endurance of switch close/open	Operations	1000	1000
  Mechanical endurance of switch open/earth	Operations	1000	1000
  Ambient temperature
  Maximum value	ºC	40	40
  Maximum value of 24 h mean	ºC	35	35
  Minimum value	ºC	-5	-5
  Altitude above sea level	m	< 1000	< 1000

ATTENTION:

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.

OUR SERVICE:

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.


WHY CHOOSE ROCKWELL:

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 US:

Contact person: Mr. Chen Chengming
Tel:86-577-27869969
Mobile:86-18668777248
 

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