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Nanyang Hengte Electric Co., Ltd.

Disconnector Switch, Rotary Switch, Switch Disconnector manufacturer / supplier in China, offering Air Break Switch Disconnector Hv Removable Isolating Links, Yh10W-18, Sharp Head 18kv 10ka Surge Arrester, Yh10W-12, Sharp Head 12kv 10ka Surge Arrester and so on.

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Supplier Homepage Product Switchs Air Break Switch Disconnector Hv Removable Isolating Links

Air Break Switch Disconnector Hv Removable Isolating Links

FOB Price: US $11 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $11/ Piece
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Production Capacity: 100000
Transport Package: Cartons Pallets Wooden Case
Payment Terms: L/C, T/T, D/P

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Isolate Switch
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Basic Info
  • Model NO.: HV Removable Isolating Links
  • Structure: Three-column Disconnector
  • Operation: Manual
  • Movement Mode: Horizontal Rotary Type
  • Grounding: Single Ground
  • Run: Turn the Horizontal
  • Structure of Operating: Manual
  • Brand: Oei Power
  • Specification: IEC IEEE
  • HS Code: 8535309000
  • Type: High-voltage
  • Installation: Outdoor High-voltage
  • Grounding Mode: Grounding
  • Number of Poles: Three Pole
  • Series: Three
  • Common Model: Ist
  • Certification: IEC IEEE
  • Trademark: OEIpower
  • Origin: China Nanyang
Product Description

The following documents were referred to during the preparation of this specification. In case of conflict, the provisions of this specification shall take precedence.
IEC 129:1975: Alternating Current Disconnectors (Isolators) and Earthing Switches
IEC 60694:2002: Common Specifications for High Voltage Switchgear and Controlgear
BS 729: Hot dip galvanized coating on iron and steel articles
IEC62271-102
Isolator (Disconnector) - a mechanical switching device which provides, in the open position, an isolating distance in accordance with Electrical Safety requirements.

SERVICE CONDITIONS
The isolator shall be suitable for continuous operation outdoors in tropical areas at altitudes of up to 2200m above sea level, humidities of up to 90%, average ambient temperature of +30ºC with a minimum of -1ºC and a maximum of +40ºC and heavy saline conditions along the coast.

4.2. DESIGN AND CONSTRUCTION
4.2.1 The Isolator, Solid Link shall be designed and constructed in accordance with IEC 129 and IEC 60694.
4.2.2 The isolating link shall be of the vertical opening, designed for single phase manual operation. It shall be easily removed and replaced by using a portable operating rod.
4.2.3 The isolating link shall incorporate double porcelain insulators to suit voltage requirements and mounted on hot dipped galvanised steel under base suitable for vertical mounting.
4.2.4 The isolating link shall be arranged so that each unit is mounted independently on an angle bracket. It shall be supplied complete with the angle bracket and accessories suitable for mounting on 'U' type steel channel. The drawings to be submitted shall indicate all the applicable mounting positions.
4.2.5 The isolator shall be designed such that in fully open position, it shall provide adequate electrical isolation between the contacts on each phase. It shall conform to the requirement as single point isolation for safety.
4.2.6 All steel parts shall be hot dip galvanized to BS 729. The minimum coating of galvanizing required is 80 microns.
4.2.7 The solid link shall be removable from the mounting by use of operating rod.
4.2.8 All current carrying parts of the isolator shall be made of high conductivity material.
4.2.9 The isolator shall be fitted with clamp connectors for Aluminium (ACSR) conductor of Aluminium (ACSR)conductor of up to 18.2mm diameter.

The rating of the complete isolator shall be as follows: -
Rated voltage
36 kV
Rated frequency
50 Hz
Rated lightning impulse withstand voltage
200 kV
Rated power frequency withstand voltage, dry
95 kV
Rated normal current
400 Amps
Rated short time withstand current for 3 sec, min.
18.0 kA
Minimum creepage distance of insulators
900 mm
 
S.NoDESCRIPTIONUNITSBIDDER OFFERED VALUE
1.Rated VoltageKV12 KV
2.FrequencyHz50 Hz
3Rated continuous currentA630
4Impulse withstand voltage to groundKV95
5Impulse withstand voltage across gapsKV110
6Dry one-minute power frequency withstand voltage to groundKV35
 
7Dry one minute power frequency withstand voltage across gapKV45
8Wet one minute power frequency withstand voltage to ground      KV30
9Limits of radio interference 10KV  and 1000 K.C/Sec
250  uV
10Temperature rise at rated current (max.)       
30oC at 50oC ambient
11Dimensions and mechanical ,Electrical
values Of Polymer Insulator


12Leaking distance mm       508 (minimum)
13Dry arcing distance    mm210 (minimum)
14Cantilever strength     kg400  
15Tensile strengthkg1000
16Compressive strength kg5400
17Tensile proof test load      kg700
18Dry power frequency flashover      KV85 
19Wet power frequency flashover      KV55 
20Dry one-minute power frequency withstandKV70
21Wet one-minute power frequency withstandKV45
22Impulse flash over positive      KV115 
23Impulse flashover negative      KV140
24Power frequency puncture voltage KV150  
 
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