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


  • Vacuum Interrupter
  • High current vacuum breaker element, RMF type
  • 1200A vacuum interrupters
  • 16kA fault current in max 3 sec
  • Bushings of Hydrophobic Cycloaliphatic Epoxy (HCEP)
  • Integrated voltage sensors
  • Integrated phase current transformers
HUGHES POWER SYSTEM overhead line auto recloser 38 kV
  • Frame made of 5 and 4mm SIS 2333 stainless steel
  • Electrical circuit made of plated copper
  • No electro chemical corrosion
  • Integrated heater
  • 3 Phase CT with low earth faults (400mA) capacity
  • Manual manoeuver of  vacuum interrupter switch Off/On
  • Design specification  IEC 62271-111
  • Marking specification IEEE std C37.60
HUGHES POWER SYSTEM overhead line auto recloser 38kV, recloser 35kV, recloser 40kV


HUGHES POWER SYSTEM overheadline autorecloser 38 kV


Description OVX380
Rated maximum voltage 40 kV
Rated basic impulse level, P>P 185 kV
Rated basic impulse level, P>E 170 kV
Power frequency withstand 50/60Hz, Dry 1min 70 kV
Power frequency withstand, Wet 10 sec 60 kV
Description 38 KV
Rated continuous current 1200 A
Rated fault making current 42 kA
Rated fault breaking current 16 kA
Rated fault duration time 3 s
Line charging current 5A
Cable charging current 40 A
Contact resistance, VCB < 35 µΩ
Network frequency 50/60 Hz
Description Winding 1
Phase CT type 1 600/1
Design min mechanical/electrical 15.000
Mass (weight) - kg (lbs) 155 (342)
Ambient temperature C (F) -45 - +70
Humidity 100% at 25 C
Bushing type Hydrophobic Cycloaliphatic Epoxy (HCEP)
Creep distance to group 1310 mm
Phase to phase distance 450 mm
Max installation altitude at rated BIL 3000 M
Rated operation voltage 24 VDC
Rated power 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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