Gold Member Since 2007
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Ningbo Ville Electric Co., Ltd.

Isolator, Switch, Circuit Breaker manufacturer / supplier in China, offering Knife Switch/ Isolator, 15 Strand Billet Continuous Casting Machine CCM, Lvb (T) Series Oil Immersed Inverted Current Transformers and so on.

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Knife Switch/ Isolator

FOB Price: US $1-100 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1-100/ Piece
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Port: Ningbo, China
Production Capacity: 5000 Sets
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram

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Basic Info
  • Model NO.: HD11B-HD14B
  • Structure: Three-column Disconnector
  • Operation: Electric
  • Movement Mode: Horizontal Rotary Type
  • Grounding: Un Grounded
  • Run: Turn the Horizontal
  • Common Model: HD
  • Certification: GB 14048.3-2008, IEC 60g47-3:2005
  • Rated Working Voltage: AC400
  • Transport Package: Wooden Case
  • Origin: Ningbo
  • Type: Low-voltage
  • Installation: Indoor High-voltage
  • Grounding Mode: Not Grounding
  • Number of Poles: Three Pole
  • Series: Three
  • Switching Mode: Double-Throw Type
  • Structure of Operating: Electric
  • Brand: Ningbo
  • Trademark: Ville
  • Specification: sgs
  • HS Code: 84
Product Description
Scope of Application

In order to meet the development and transformation of urban and rural low voltage network, ensuring reliability of power supply and maintenance security, it is necessary to provide an economical isolator with good short-circuit performance, fully functional, great varieties and lower price.
Knife-shaped isolator Series has a wide range HD11B-HD14B. The HD13B current can reach up to 4, 000A, with its good performance, can meet different needs of customers.
This range is mainly suitable for power distribution switchgear and control gear with AC 50Hz, rated working voltage 400V/380V, rated working current 4, 000A and below. It is used for unfrequented manual operation in circuit or isolate switch.

GB 14048.3-2008, IEC 60g47-3: 2005

HD11B-HD14B Series products are also used in power distribution equipment with rated working voltage DC 230V.
Specification of HD11B series product is 200A 1000A, HD12B is 200A - 1, SOOA, HD13B (HD13BX) is 200A-4, 000A, HD14B is 200A-600A.
Except HD13B and HD13BX series products having 3R 4R other range only have 3P. If you need 2P or 4P products, please contact with manufactory.
Rated Short-time Withstand Current
Rated Working Voltage Ue (V)Rated Working Current Le (A)Rated Short-time withstand Current kw (kA)Times(s)
HD11B, HD12B, HD13B, HD14B
Lever (tuning) transmission operationDirect Manual Operation
Main Technical Parameters        
Rated Working Voltage (V)AC400
Rated Insulation Voltage (V)AC600
Rated Working Current (A)200400600100012002000250030004000
Number of Poles 2,3,4
Operating Cycle Times1000060003000
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