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Ningbo Ville Electric Co., Ltd.

Indoor Ac Hv Load Switch, Load Switch, Vacuum Load Switch manufacturer / supplier in China, offering Indoor AC Hv Load Switch, 12.5mva Sz11 Series 35kv Power Transformer with on Load Tap Changer, Lw58-252/T4000-50 High Voltage Sf6 Circuit Breaker and so on.

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Supplier Homepage Product Disconnecting Switch Indoor AC Hv Load Switch

Indoor AC Hv Load Switch

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 50000 Sets/Year
Transport Package: Wooden Cases
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Model NO.: Fn3-12 Series
  • Type: load switch
  • Installation: Fixed
  • Structure: Moulded Case Circuit Breaker
  • Function: Overcurrent Protection, Circuit-Breaker Failure P
  • Trademark: VILLE
  • Origin: Ningbo China
  • Breaking Capacity: High Voltage Circuit Breakers
  • Operation: Electric Type
  • Speed: Normal Type Circuit Breaker
  • Arc-extinguishing Medium: Air
  • Certification: CE, ISO9001-2000, CCC, VDE, UL, CB
  • Specification: IEC standard
Product Description
General:
FN3-12 series indoor AC HV load switch is suitable for AC 50Hz, 10kV three-phase power system for breaking and closing load current, also for breaking and closing long no-load line and capacitor bank capacitance current. Load switch with fuse(FN3-12R\FN3-12R/S)can break short-circuit current and protect switches.
The load switch can be fitted with CS3 and CS2 type manual operating mechanisms.

Characteristics:

FN3-12 series indoor AC HV load switch has a similar appearance as common indoor AC HV load switches with frame containing drive mechanism under the switch. There are six insulators on top of the frame, the upper three of them work as support and cylinder. The piston is installed inside the cylinder and driven by main shaft. The lower three of them work as support. Both the upper and lower insulators have contact holder that is the three-phase circuit input and output terminal. Conducting parts are made up of switch blade and contact holder. The switch blade and lower contact holder are fixed by six butterfly springs. At the end of switch blade there is arc contact. The upper contact holder is main static contact.
 
Type
Rated voltage
kV
Rated current
A
Thermal stable current
kA/s
Dynamic stable current
kA
FN3-12 12 400 12.5/2 31.5
Technical parameter of load switch fitted fuse:

Type Rated voltage
kV
Fuse rated current
A
Rated breaking current
kA
Fuse link rated current
RN3 12 50 12.5 2, 3, 5, 7.5, 15, 20, 30, 40, 50
75 75
100 100
200 150 200
SDL*J 12 40 50 6.3, 10, 16, 20, 31.5, 40
SFL*J 12 100 50, 63, 71, 80, 100
SKL*J 12 125 125
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