The ACR series of Automatic Circuit Recloser for 6/15 kV, 22/27 kV and 33/40 kV is clearly the most advanced and safe product of its kind on today's market. It is built on the well proven OVX, Vacuum circuit breaker module and the FTU Recloser controller.

Hughes Power System Auto reclosers for overheard line 12kV
  • Non enclosed switch for extra safety
  • Integrated air break switch 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


  • High current vacuum breaker element, AMF type
  • 630 or 1250A versions
  • 20 or 25kA fault current in max 3 sec
  • Bushings of epoxy with silicone surface
  • Integrated and synchronized ABI
  • Integrated phase current transformers
  • Integrated core balance CT
Hughes Power System overheadline autorecloser 24kV
  • Frame made of 5 and 4mm SIS 2333 stainless steel
  • Electrical circuit made of copper
  • No electro chemical corrossion
  • Integrated heater 
  • 3 Phase CT with low earth faults (400mA) capacity
  • Manual manoeuver of both vacuum interrupter and air break switch
  • Design specification IEC 62271-111
  • Marking specification IEEE std C37.60
HUGHES POWER SYSTEM overhead line autorecloser 24kV


HUGHES POWER SYSTEM overhead line recloser 24 kV


Description ovx240 ovx240  
Rated maximum voltage 24 kV 24 kV  
Rated basic impulse level, P>P 145 kV 145 kV  
Rated basic impulse level, P>E 125 kV 125 kV  
Power frequency withstand, Dry 60 kV 60 kV  
Power frequency withstand, Wet 50 kV 50 kV  
Description 24 kV 24 kV  
Rated continuous current 630 A 1250 A  
Rated fault making current 50 kA 63 kA  
Rated fault breaking current 20 kA 20 kA  
Cable charging current 20 A 40 A  
Line charging current 5 A 10 A  
Rated fault duration time 3 s 3 s  
Contact resistance, VCB < 35 µΩ < 35 µΩ  
Contact resistance,ABI < 65 µΩ < 65 µΩ  
Network frequency 50/60 Hz 50/60 Hz  
Description Winding 1 Winding 2 Winding 3
Phase CT type 1 200/1 400/1 600/1
Core balance CT  20/1    
Design min mechanical/electrical 20.000 20.000  
Mass (weight) without air break switch - kg (lbs) 90 (198) 90 (198)  
Mass (weight) with air break switch - kg (lbs) 120 (264) 120 (264)  
Ambient temperature C (F) -45 - +70 -45 - +70  
Humidity 100% at 25 C 100% at 25 C  
Bushing type Epoxy core with silicone surface
Creep distance to group 800 mm 800 mm  
Max installation altitude at rated BIL 3000 M 3000 M  
Rated operation voltage 48 VDC 24 VDC  
Rated power 40 W 40 W  
Design specification IEC 62271-111
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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