Reclosers

Hughes ACR series of 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 6/15, 22/27 and 33/40kV.

Hughes Power System Auto reclosers for overheard line 12kV
  • Non enclosed switch for extra safety
  • Integrated disconnector for personal safety
  • Solid insulated. No harmful SF6 gas
  • Operation On and Off with full load without electric power
  • Core balance transformer for detecting low earth faults
  • Frame of "Marine grade" premium stainless steel

ACR120 RECLOSER SERIESDESCRIPTION


Hughes ACR120 series of recloser is designed for use on overhead distribution lines with the voltage range 6-15kV, in distribution substation applications and as an advanced Smart Grid building block.


The ACR120 series model range:

  • ACR120 model has the OVX120 vacuum circuit breaker equipped with 12kV bushings, built-in disconnector and voltage sensors on the load side;
  • ACR121 model has the OVX121 vacuum circuit breaker equipped with extra insulated 27kV bushings and with 1 or 2 sets of voltage sensors on feed and/or load side;
HUGHES POWER SYSTEM overhead line autorecloser 12kV

ACR120 RECLOSER SERIESACR120 MODEL


The ACR120 recloser set includes: 

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Hughes recloser ACR120


The OVX120 vacuum circuit breaker components: 

  • 12kV bushings (1) of epoxy with silicone surface;
  • Integrated and synchronized disconnector (2) with visible open points on all 3-phases;
  • Integrated 3x phase current transformers (3) with built-in voltage sensors on load side;
  • High current vacuum breaker element (1), AMF type for 630 or 1250A continuous line load and 20kA fault current in 3 sec
  • Attachment points (6) for down pole mounted disconnector operation handle;
  • Frame (7) made of 5 and 4mm stainless steel to eliminate electrochemical corrosion;
  • Electrical circuit (8) made of high grade copper;
  • Manual manoeuvre (9) of both vacuum interrupter and disconnector;

Optional components:

  • Integrated 1x core balance CT (4) for detecting low earth faults;
Hughes ACR120 recloser

HUGHES POWER SYSTEM overheadline autorecloser 12 kV

ACR120 RECLOSER SERIESACR121 MODEL


The ACR121 recloser set includes: 

download catalogue
 

send enquiry

Hughes recloser ACR121


The OVX121 vacuum circuit breaker components:

  • Extra insulation with 27kV bushings (1) of epoxy with silicone surface with built-in voltage sensors on feed side;
  • Integrated 3x phase current transformers (2);
  • High current vacuum breaker element (4), AMF type for 630 or 1250A continuous line load and 20kA fault current in 3 sec;
  • Frame (5) made of 5 and 4mm stainless steel to eliminate electrochemical corrosion;
  • Electrical circuit (6) made of high grade copper;
  • Manual manoeuvre (7) of both vacuum interrupter and disconnector;

Optional components:

  • Integrated 1x core balance CT (3) for detecting low earth faults;
  • Voltage sensors on load side;
Hughes recloser ACR121

Hughes recloser ACR121

ACR120 RECLOSER SERIESEXTERNAL ACCESSORIES


ACR120/121 recloser EXTERNAL ACCESSORIES:

  • Rugged mounting brackets (1) for different pole types;
  • Antenna set for GSM/4G including: antenna, multi band professional glass fibre rod; pole mounted bracket for antenna; antenna cable 8M RG-213 N-N professional connectors and surge arresters for antenna N-N connectors;
  • Voltage transformer (2) for 6/12kV, phase to phase connected, epoxy insulated with pole mounting brackets;
  • Insulation transformator 230/230 VAC
  • Surge arresters (3) for 6/15kV with mounting brackets;
  • Drop out fuses (4) for 6/15kV with mounting brackets;

Complete list of external accessories is here.
 

Hughes recloser

ACR120 RECLOSER SERIESINSTALLATIONS


The ACR120/121 models of reclosers can be installed on one wooden or concrete pole.

The standard installation includes below elements in the following sequence:

  • Voltage transformer (1)
  • Vacuum circuit breaker (2)
  • Interconnecting cable (3)
  • Recloser control cabinet (4)
Hughes ACR120 recloser

ACR120 RECLOSER SERIESTECHNICAL DATA

Description ovx120 ovx121  
Rated operation voltage, VDC 24-48-110 24-48-110  
Rated maximum voltage, kV 12 15  
Rated basic impulse level, P>P, kV 85 85  
Rated basic impulse level, P>E, kV 75 75  
Power frequency withstand, Dry, kV 60 60  
Power frequency withstand, Wet, kV 45 45  
Rated power, W 40 40  
Rated continuous current, A 630 1250  
Rated fault making current, kA 50 50  
Rated fault breaking current, kA 20 20  
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  
Contact resistance, ABI, µΩ < 60 NA  
Network frequency, Hz 50/60 50/60  
Description Winding 1 Winding 2 Winding 3
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 882x793x775 872x370x775  
Mass (weight) without air break switch - kg (lbs) 75 (165) 75 (165)  
Mass (weight) with air break switch - kg (lbs) 98 (216) NA  
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 with silicone surface
Phase to phase distance, mm 280 280  
Creep distance to ground (disconnector isolator), mm 400 NA  
Creep distance to ground (interrupter isolator), mm 460 1090  
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

New Auto recloser Application

Hughes Protection Relay App is an unique tool for a modern Electrical Utility Linesman. Operation of the breaker, change of relay parameters etc.

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