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

ACR240 RECLOSER SERIESDESCRIPTION


Hughes ACR240 series of recloser is designed for use on overhead distribution lines with the voltage range 22-27kV, in distribution substation applications and as an advanced Smart Grid building block.

The ACR240 series model range:

  • ACR240 model has the OVX240 vacuum circuit breaker equipped with 24kV bushings, built-in disconnector and voltage sensors on the load side;
  • ACR241 model has the OVX241 vacuum circuit breaker equipped with 27kV bushings and with 1 or 2 sets of voltage sensors on feed and/or load side;
Hughes Power System overheadline autorecloser 24kV

ACR240 RECLOSER SERIESACR240 MODEL


The ACR240 recloser set includes: 

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Hughes recloser ACR240


The OVX240 vacuum circuit breaker components:

  • 24kV 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 of both vacuum interrupter and disconnector;

Optional components:

  • Integrated 1x core balance CT for detecting low earth faults;
Hughes recloser ACR240

HUGHES POWER SYSTEM overhead line recloser 24 kV

ACR240 RECLOSER SERIESACR241 MODEL

The ACR241 recloser set includes: 

download catalogue
 

send enquiry

Hughes recloser ACR241


The OVX241 vacuum circuit breaker components:

  • Extra insulation with 27kV bushings (1) of epoxy with silicone surfacewith 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 of both vacuum interrupter and disconnector;

Optional components:

  • Integrated 1x core balance CT (3) for detecting low earth faults (optional);
  • Voltage sensors on load side;
Hughes recloser ACR241

Hughes recloser ACR241

ACR240 RECLOSER SERIESEXTERNAL ACCESSORIES


acr240/241 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 22/27kV, phase to phase connected, epoxy insulated with pole mounting brackets;
  • Insulations transformator 230/230 VAC
  • Surge arresters (3) for 22/27kV with mounting brackets;
  • Drop out fuses (4) for 22/27kV with mounting brackets;

Complete list of external accessories is here.

Hughes recloser

ACR240 RECLOSER SERIESINSTALLATIONS

The ACR240/241 models of reclosers can be installed on one wooden, concrete pole or steel structures.

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 recloser ACR241

ACR240 RECLOSER SERIESTECHNICAL DATA

Description ovx240 ovx241  
Rated operation voltage, VDC 24-48-110 24-48-110  
Rated maximum voltage, kV 24 27  
Rated basic impulse level, P>P, kV 145 145  
Rated basic impulse level, P>E, kV 125 125  
Power frequency withstand, Dry, kV 60 60  
Power frequency withstand, Wet, kV 50 50  
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 882x772x957 872x370x900  
Mass (weight) without air break switch - kg (lbs) 101 (222) 101 (222)  
Mass (weight) with air break switch - kg (lbs) 125 (275) NA  
Description      
Operating temperature C -45 - +70 -45 - +70  
Humidity 100% at 25 C 100% at 25 C  
Eclosure 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 725 NA  
Creep distance to ground (interrupter isolator), mm 960 1090  
Max installation altitude at rated BIL, mm 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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