Auto
reclosers
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.
- 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
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 33-40 kVELECTRICAL DIAGRAM
OVX 380 33-40 kVTECHNICAL 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.