Kiosk
reclosers

Hughes VXR series of kiosk reclosers is clearly the most advanced and safest product of its kind on today's market. It is built to remain in operation for more than 30 years without major maintenance. The model range is available for 6/12 and 22/24kV.

Hughes Power System substation kiosk auto recloser 12kV 24kV
  • Non enclosed switch for extra safety
  • Core balance transformer for detecting low earth faults
  • Operation On and Off with full load without electric power
  • Solid insulated. No harmful SF6 gas
  • Same footprint as ABB NAL loadbreak switch
  • Frame of "Marine grade" premium stainless steel

VXR120 KIOSK RECLOSERDESCRIPTION


Hughes VXR120 series of kiosk recloser is designed for use on underground distribution lines with the voltage range 6-12kV, in distribution substation applications and as an advanced Smart Grid building block.


The VXR120 series model range:

  • VXR120 model has the VX4-12 vacuum circuit breaker equipped with 12kV bushings;
Hughes Power System substation kiosk autorecloser recloser 12kV

VXR120 KIOSK RECLOSERVXR120 MODEL


The vxr120 KIOSK recloser set includes: 


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Hughes kiosk recloser


The VX4-12 vacuum circuit breaker components

  • 12kV bushings (1) of epoxy, no SF6 gas or oil;
  • High current vacuum breaker element (1), AMF type for 630 or 1250A continuous line load and 25kA fault current in 3 sec;
  • Frame (2) made of 5 and 4mm stainless steel to eliminate electrochemical corrosion;
  • Electrical circuit (3) made of high grade copper;
  • Manual or remote maneuvering (4);
  • Padlock facility (5) for mechanical blocking of operation;

Optional components:

  • Integrated 3x phase current transformers (6);
  • Clip-on current transformers and a core balance transformer for low earth faults detecting (cable mount);
     
Hughes kiosk recloser

Hughes kiosk recloser

VXR120 KIOSK RECLOSEREXTERNAL ACCESSORIES


VXR120/240 kiosk recloser EXTERNAL ACCESSORIES:

  • Hand crank operated truck mount (1) with interlock function;
  • Clip-on current transformer (2), winding: 150/1;
  • Core balance transformer (3), winding: 20/1;
  • Voltage transformer (4) 1-phase connection 12 or 24/.110 kV class1, 50 VA;

Complete list of external accessories is here.
 

Hughes kiosk recloser

VXR120 KIOSK RECLOSERINSTALLATIONS

Installation of protection relays and circuit breaker operating panels in a small pre-manufactured substation.

  • 4 protection relays (2, 3, 5, 6) for 4 outgoing lines;
  • 2 circuit breaker operating panels (7, 8) for 2 incoming cables;
  • 1 operating panel (4) for bus bar interconnection circuit breaker;
Hughes kiosk recloser



VXR installation in a substation breaker bay. 

  • Left: inner protection door closed. Circuit breaker operation buttons (1) extender is mounted on the door;
  • Right: VXR (2) installed in a mounting frame (3). Upper side connected to a disconnector (4) with visual open points. Lower side connected to an outgoing cable (5);
Hughes kiosk recloser

VXR120/240 KIOSK RECLOSERTECHNICAL DATA

Description vx4-12 vx4-24  
Rated operation voltage, VDC 24-48-110 24-48-110  
Rated maximum voltage, kV 12 24  
Rated basic impulse level, kV 95 125  
Rated power, W 40 40  
Rated continuous current, A 630/1250 630/1250  
Rated fault making current, kA 63 63  
Rated fault breaking current, kA 25 25  
Cable charging current, A 20 40  
Line charging current, A 5 10  
Rated fault duration time, s 3 3  
Contact resistance, VCB, µΩ < 35 < 35  
Network frequency, Hz 50/60 50/60  
Description Winding 1 Winding 2 Winding 3
Phase CT clip-on type 150/1    
Phase CT type 1 200/1 400/1 600/1
Core balance CT  20/1    
Description      
Design min mechanical/electrical 20.000 20.000  
Dimensions (LxWxH), mm 460X447X537 587x829x643  
Weight, kg  75 95  
Description      
Operating temperature, °C -45 - +70 -45 - +70  
Humidity 100% at 25 C 100% at 25 C  
Enclosure IP55-65, non-magnetic stainless steel, optional painted in RAL or ANSI colour
Bushing type Epoxy core
Phase to phase distance, mm 150 210  
Max installation altitude at rated BIL, m 3000 3000  
Description      
Design specification IEC 62271-100
Marking specification IEEE std C37.60
Operation sequence, no charge 25 ms trip - 50 ms close - 25 ms trip

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