MODULE OFVACUUM INTERRUPTER
- 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

- 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

OVX 240 24 kVELECTRICAL DIAGRAM

OVX 240 22-27kVTECHNICAL DATA
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 | ||
Description | |||
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) | |
Description | |||
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 | |
Description | |||
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.