Kiosk
reclosers
Hughes VXR series of kiosk reclosers is clearly the most advanced and safest product of its kind on today's market. It is built to remain in operation for more than 30 years without major maintenance. The model range is available for 6/12 and 22/24kV.
- Non enclosed switch for extra safety
- Core balance transformer for detecting low earth faults
- Operation On and Off with full load without electric power
- Solid insulated. No harmful SF6 gas
- Same footprint as ABB NAL loadbreak switch
- Frame of "Marine grade" premium stainless steel
VXR240 KIOSK RECLOSERDESCRIPTION
Hughes VXR240 series of kiosk recloser is designed for use on underground distribution lines with the voltage range 22-24kV, in distribution substation applications and as an advanced Smart Grid building block.
The VXR240 series model range:
- VXR240 model has the VX4-24 vacuum circuit breaker equipped with 24kV bushings;
VXR240 KIOSK RECLOSERVXR240 MODEL
The vxr240 KIOSK recloser set includes:
- VX4-24 vacuum circuit breaker (compulsory);
- FTU recloser control cabinet (compulsory);
- Interconnecting cable (compulsory);
- Built in components (optional);
- External accessories (optional);
The VX4-24 vacuum circuit breaker components:
- 24kV bushings (1) of epoxy, no SF6 gas or oil;
- High current vacuum breaker element (1), AMF type for 630 or 1250A continuous line load and 25kA fault current in 3 sec;
- Frame (2) made of 5 and 4mm stainless steel to eliminate electrochemical corrosion;
- Electrical circuit (3) made of high grade copper;
- Manual or remote maneuvering (4);
- Padlock facility (5) for mechanical blocking of operation;
Optional components:
- Integrated 3x phase current transformers (6);
- Clip-on current transformers and a core balance transformer for low earth faults detecting (cable mount);
VXR240 KIOSK RECLOSEREXTERNAL ACCESSORIES
the VXR120/240 kiosk recloser EXTERNAL ACCESSORIES:
- Hand crank operated truck mount (1) with interlock function;
- New! Grounding system cable theft alarm (2). See details here;
- Clip-on current transformer, winding: 150/1;
- Core balance transformer (3), winding: 20/1;
- Voltage transformer (4) 1-phase connection 12 or 24/.110 kV class1, 50 VA;
Complete list of external accessories is here.
VXR240 KIOSK RECLOSERINSTALLATIONS
Installation of protection relays and circuit breaker operating panels in a small pre-manufactured substation.
- 4 protection relays (2, 3, 5, 6) for 4 outgoing lines;
- 2 circuit breaker operating panels (7, 8) for 2 incoming cables;
- 1 operating panel (4) for bus bar interconnection circuit breaker;
VXR installation in a substation breaker bay.
- Left: inner protection door closed. Circuit breaker operation buttons (1) extender is mounted on the door;
- Right: VXR (2) installed in a mounting frame (3). Upper side connected to a disconnector (4) with visual open points. Lower side connected to an outgoing cable (5);
VXR120/240 KIOSK RECLOSERTECHNICAL DATA
| Description | vx4-12 | vx4-24 | |
| Rated operation voltage, VDC | 24-48-110 | 24-48-110 | |
| Rated maximum voltage, kV | 12 | 24 | |
| Rated basic impulse level, kV | 95 | 125 | |
| Rated power, W | 40 | 40 | |
| Rated continuous current, A | 630/1250 | 630/1250 | |
| Rated fault making current, kA | 63 | 63 | |
| Rated fault breaking current, kA | 25 | 25 | |
| Cable charging current, A | 20 | 40 | |
| Line charging current, A | 5 | 10 | |
| Rated fault duration time, s | 3 | 3 | |
| Contact resistance, VCB, µΩ | < 35 | < 35 | |
| Network frequency, Hz | 50/60 | 50/60 | |
| Description | Winding 1 | Winding 2 | Winding 3 |
| Phase CT clip-on type | 150/1 | ||
| Phase CT type 1 | 200/1 | 400/1 | 600/1 |
| Core balance CT | 20/1 | ||
| Description | |||
| Design min mechanical/electrical | 20.000 | 20.000 | |
| Dimensions (LxWxH), mm | 460X447X537 | 587x829x643 | |
| Weight, kg | 75 | 95 | |
| Description | |||
| Operating temperature, °C | -45 - +70 | -45 - +70 | |
| Humidity | 100% at 25 C | 100% at 25 C | |
| Enclosure | IP55-65, non-magnetic stainless steel, optional painted in RAL or ANSI colour | ||
| Bushing type | Epoxy core | ||
| Phase to phase distance, mm | 150 | 210 | |
| Max installation altitude at rated BIL, m | 3000 | 3000 | |
| Description | |||
| Design specification | IEC 62271-100 | ||
| Marking specification | IEEE std C37.60 | ||
| Operation sequence, no charge | 25 ms trip - 50 ms close - 25 ms trip | ||