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<strong>Hawkvac</strong> <strong>15</strong>Medium Voltage Indoor MetalcladVacuum SwitchgearOperator safety and system integrity are central to the designof <strong>Hawkvac</strong> <strong>15</strong> medium voltage switchgear, both within acompact and cost effective solution.The <strong>Hawkvac</strong> <strong>15</strong> is suitable for application in distributionnetworks of electrical utilities as well as commercial andindustrial areas, including the onerous environments of the oil,gas and petrochemical sectors.Key Features» The compact design allows for ratings of up to 2000A,40kA within a 600mm panel width;» The metalclad, multi-compartment housing allowsauthorised work in safe areas while preventing accessto live equipment;» Internal arc protection to IEC 298 Appendix AA;» Comprehensive interlocking prevents incompatibleoperations;» Top or bottom cable access;» The circuit breaker, fully rated integral earth switch andcomplete fixed and moving portion assembly are shortcircuit tested and certified to British and Internationalstandards;» The VMC cassette circuit breaker is also available asa component, for incorporation into other OEMs’equipment.RATINGSMaximum System Voltage kV <strong>15</strong>Rated Power Frequency Withstand kV 28/38Rated Impulse Withstand kV 75/95Rated Frequency Hz 50/60Symmetrical Breaking Current kA 25/31.5/40Rated Short-Time Current kA 3secs 25/31.5/40Rated Peak Making Current pk kA 63/80/100Busbar Circuit Ratings A 1250/2000/2500/3<strong>15</strong>0Incomer / Feeder Circuit ratings A 630 to 2000Degree of ProtectionIP3X to IP42
Normal Service Conditions:Ambient Air temperature+40°C to -5°CRelative Humidity < 95%Altitude< 1000m(a)Rear section removablefor Cabling AccessDIMENSIONS (In mm)(b)Rear Wall(a) 1650 bottom cable entry1800 top cable entry1800 to 2250 for 2000A unit(b) 2100 typical(c)Access to Rear360 min600 Recommended(c) 600 standard1000 for bus sectionFront WallMain CableTrench<strong>Hawkvac</strong> <strong>15</strong> Engineering DetailAccess to Front1000 min1230 Recommended1Low voltage compartment houses protectionrelays and instruments2Gravity shutters for Busbar and Circuit, withindependently driven, lockable linkages193Three phase monobloc moulding2104VMC cassette circuit breaker with vacuuminterrupters435Window shows breaker ON/OFF indication5116Contact Wear Indication from front127Earth switch operating handle access689Fixed or isolatable voltage transformerInternal arc pressure relief flaps71310Busbars with heat-shrink sleeving1112Optional CT segregationMain cable termination1413Fully rated fault make earth switch814Optional surge divertersVersion 02 - August 2008. The design and manufacture of our products are subject to constant review, therefore slight variations may occur between the details given and the equipment supplied.
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