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Description
The RGW-33/630-20 overhead isolator switch is placed at the end of the line with a tree-like MV network structure enables a cluster of stations to be isolated in order to carry out work on the downstream line.
This device complies with the standards:
• NFC 64140 (type 1) de 01/1990
• CEI 60265 -1 de 01/1998
• CEI 62271-1 de 02/2009
It consists of a vertically open switch and an air cut-off device, which is composed of a wide stroke and high-speed whip.
Constructive Details
• Hot-dip galvanized steel profile frame in accordance with standard NF EN ISO 1461. • Articulation: journaling on a bronze ring.
• RP5 insulators in tempered glass. Insulator rods with identical base for the 9 insulators. • Cupro-aluminum collars.
• Work hardened copper knife driven by nylon rollers without greasing. Its C profile allows
high resistance to short-circuit current and reduced temperature rise.
• Broken contacts: wide tolerances for penetration and alignment; contact area
permanent distinct from the breaking contact.
• Perfect visibility of the “open” position.
• Connections by Ø 12.5 mm hole pad.
• Optional connection by TST pin.
• Whip cut-off devices.
• Shaft stops at the end of the stroke.
• Support chairs made up of two symmetrical elements in welded sections and
galvanized, allowing the switch to be clamped on any support whose dimensions in
head are between 100 and 360 mm.
Mechanical Control
Can be fixed on a corner of the support by strapping according to document ref. 1010242 or by iron and counterfeit.
It is made up of:
• A control panel with isolation; possibility of 3 padlocks.
• A lower tube with insulation;
• 2 telescopic tubes adjustable to 950 ± 300mm allowing adaptation to supports
from 11 to 14 m .;
• 3 roller tube guides (1 tube and 1 tube guide can be supplied in addition with
supports from 15 to 18 m).
Electrical Specifications
| Sepc. | 24KV | 36KV |
| Rated Voltage (kV) | 24 | 36 |
| Rated Current (A) | 200 or 400A | 200 or 400A |
| Breaking Capacity (A) | ||
| · Active Load | 31.5 or 50A | 25 or 31.5A |
| · Vacuum Transformer | 2.5A | 2.5A |
| · Loop Load | 200A/4.8kV | 200A/7.2kW |
| · Empty Line | 10A | 10A |
| · Number of Poles | 3 | 3 |
| · Insulators | Glass | Glass |
| · Phase / Earth Isolation | ||
| · Lightning Strike | 125kV | 170kV |
| · At 50Hz in Rain | 50kV | 70kV |
| · Short-term Current | 10kA/1s | 10kA/1s |
| · Admissible Peak Current | 20 or 25kA | 20 or 25kA |
| · Supports | 11/18m | 11/18m |
| · Pose | Horizontal | Horizontal |
| Connection | Beaches | Beaches |
| Isolation Level On Opening Distance | ||
| · Lightning Strike | 145kV | 195kV |
| · At 50Hz in Rain | 60kV | 80kV |
Dimensions and Weight Plans
Description
The RGW-33/630-20 overhead isolator switch is placed at the end of the line with a tree-like MV network structure enables a cluster of stations to be isolated in order to carry out work on the downstream line.
This device complies with the standards:
• NFC 64140 (type 1) de 01/1990
• CEI 60265 -1 de 01/1998
• CEI 62271-1 de 02/2009
It consists of a vertically open switch and an air cut-off device, which is composed of a wide stroke and high-speed whip.
Constructive Details
• Hot-dip galvanized steel profile frame in accordance with standard NF EN ISO 1461. • Articulation: journaling on a bronze ring.
• RP5 insulators in tempered glass. Insulator rods with identical base for the 9 insulators. • Cupro-aluminum collars.
• Work hardened copper knife driven by nylon rollers without greasing. Its C profile allows
high resistance to short-circuit current and reduced temperature rise.
• Broken contacts: wide tolerances for penetration and alignment; contact area
permanent distinct from the breaking contact.
• Perfect visibility of the “open” position.
• Connections by Ø 12.5 mm hole pad.
• Optional connection by TST pin.
• Whip cut-off devices.
• Shaft stops at the end of the stroke.
• Support chairs made up of two symmetrical elements in welded sections and
galvanized, allowing the switch to be clamped on any support whose dimensions in
head are between 100 and 360 mm.
Mechanical Control
Can be fixed on a corner of the support by strapping according to document ref. 1010242 or by iron and counterfeit.
It is made up of:
• A control panel with isolation; possibility of 3 padlocks.
• A lower tube with insulation;
• 2 telescopic tubes adjustable to 950 ± 300mm allowing adaptation to supports
from 11 to 14 m .;
• 3 roller tube guides (1 tube and 1 tube guide can be supplied in addition with
supports from 15 to 18 m).
Electrical Specifications
| Sepc. | 24KV | 36KV |
| Rated Voltage (kV) | 24 | 36 |
| Rated Current (A) | 200 or 400A | 200 or 400A |
| Breaking Capacity (A) | ||
| · Active Load | 31.5 or 50A | 25 or 31.5A |
| · Vacuum Transformer | 2.5A | 2.5A |
| · Loop Load | 200A/4.8kV | 200A/7.2kW |
| · Empty Line | 10A | 10A |
| · Number of Poles | 3 | 3 |
| · Insulators | Glass | Glass |
| · Phase / Earth Isolation | ||
| · Lightning Strike | 125kV | 170kV |
| · At 50Hz in Rain | 50kV | 70kV |
| · Short-term Current | 10kA/1s | 10kA/1s |
| · Admissible Peak Current | 20 or 25kA | 20 or 25kA |
| · Supports | 11/18m | 11/18m |
| · Pose | Horizontal | Horizontal |
| Connection | Beaches | Beaches |
| Isolation Level On Opening Distance | ||
| · Lightning Strike | 145kV | 195kV |
| · At 50Hz in Rain | 60kV | 80kV |
Dimensions and Weight Plans
