Gemmo Quadri

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Medium voltage metal enclosedSwitchboards Euroclosed series GM-PMedium voltage metal enclosed switchboards, service category LSC2A, type GM-P with modular cubiclescan be equipped with fixed and removable circuit breakers for the following switching techniques:• Sulphur hexafluoride• Vacuum packedThe different circuit breaker are always combined with bus bar and/or vacuum line isolator.In addition to circuit breakers the GM-P cubicles can also have air insulated or hinged load breakswitch, earth break switch and fuse holders frame etc.., combined together according to installationrequirements.The GM-P switchboards can be realized by assembling the different cubicle types available. Each cubicletype is a module divided into cells separated by metal elements:• Cell Bus bar• Cell Circuit breaker• Cell Lines• Cell Instrument• Cell Terminal box (only for GM-P2)The complete standardization of cubicle types and components enable to create different types ofmedium voltage systems, quick changing and easy expansions.Opening have been provided on the cubicle base for the transit of power cables and auxiliary cablescoming from outside. It is possible to install the switchboard on the wall.28
The cubicle structure is self-supporting and contains various cells and components.The compartment is high 2250 mm for the type GM-P2 and 1950 mm for all other types. To those typecan be added a 300 mm bed in order to have a height of 2250mm (in case it will be used the mixed solutionGM-P2 plus GM-P1 and/or GM-P3).All cubicles , except the ones to be equipped with switches, GM-P1 is 750mm in width and GM-P2, are900mm high and 700 mm wide.The depth of all cubicles is standardized, 1150 mm.EXECUTIONS• For inside with normal protection level:• IP2X inside the switchboard; IP3X outside.• Single or double system of bus bar (the switchboard can beinstalled to the wall)• For outside with appropriate metal cover; it is possible tohave moveable units (mobile cabins) in appropriate containers.• Internal arc proof in accordance with IEC 62271-200 standards.• High protection level in environments with dust and/or liquidprojection.• Special executions to be done on request.STANDARDSThe main standards applicable to the switchboards are:IEC 62271-200; IEC 60694.TECHNICAL SPECIFICATIONSTensione nominale Rated voltage KV 12 17,5 24 36Tensione di servizio Service voltage KV 3+10 10+15 15+23 27÷3oFrequenza nominale Rated frequency Hz 50/60 50/60 50/60 50/6oTensione di prova 1 min.-50 Hz Test voltage 1 min. -50 Hz 1W 28 38 50 70Tensione di tenuta ad impulso Impulse withstand voltage KV 75 95 125 170Corrente nominale delle sbarreprincipali - fino a (1)Corrente ammissibile di brevedurata - fino a (2)Rated main busbarcurrent up to (1)Short-time withstandcurrent up to (2)A 2000 1250 1250 800KA/ls 31.5 25 25 25Corrente di cresta -fino a Pende withstand current up to KA 75 62.5 62.5 62,5The rated voltage of the bus bar are referred to an external temperature of 40 °C.On request and limited to some values, it is possible a duration up to 5s.Following onthe next page29
Page 1: Gemmo QuadriB.U. Gemmo Switchboards
Page 4 and 5: GemmoGemmo S.p.A. has operated sinc
Page 6 and 7: Gemmo OrganizationGemmo SpAGemmo Sp
Page 8 and 9: Gemmo SwitchboardsEquipmentsCarpent
Page 10 and 11: Testing Department EquipmentsN° Re
Page 12 and 13: Main ReferencesDetailed description
Page 14 and 15: Products LinesSeries GM-B EUROCLADS
Page 16 and 17: Features of supplyCommon to all Gem
Page 18 and 19: DATECERTIFICATION CENTERCERTIFICATE
Page 20 and 21: Medium voltage metal clad Switchboa
Page 22 and 23: MAIN BUSBARS AND BRANCHESMAINTENANC
Page 24 and 25: Medium voltage SwitchboardsAir insu
Page 28 and 29: MAIN BUS BAR AND BRANCHESMain bus b
Page 30 and 31: Layout: Overall ViMedium voltage me
Page 32 and 33: Low voltage distribution switchboar
Page 34 and 35: The GM-PC EUROPOWER switchboards ar
Page 36 and 37: Metal clad low voltage switchboard7
Page 38 and 39: Fig. 2 Overall view Damper UnitSECU
Page 40 and 41: Low voltage Motor Control switchboa
Page 42 and 43: PERSONNEL SAFETYObtained by:• Gro
Page 45: Gemmo SpAViale dell’Industria, 23

Gemmo Quadri

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