Auto
reclosers
The ACR series of Automatic Circuit Recloser 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.
- Non enclosed switch for extra safety
- Integrated air break switch for personal safety
- Operation On and Off with full load without electric power
- Solid insulated. No harmful SF6 gas
- Core balance transformer for detecting low earth faults
- Frame of stainless steel
MODULE OFVACUUM INTERRUPTER
- 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
- 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
OVX 380 38kVELECTRICAL DIAGRAM
OVX 380 38kVTECHNICAL DATA
| 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 |
| Description | |
| Design min mechanical/electrical | 15.000 |
| Mass (weight) - kg (lbs) | 155 (342) |
| Description | |
| 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 |
| Description | |
| 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.