power distribution - Siemens

12SWITCHBOARDSFront Connected SwitchboardsType SB1, SB2 and SB3Maximum FlexibilityWhether the design is for a 240V ac,400 ampere system; a 600V ac, 6000ampere system; or something inbetween, Siemens front connectedswitchboards should be considered.Every aspect of the equipment designhas been targeted at improving layoutconvenience, reducing installationcosts, and minimizing the impactand cost of system changes. Theseswitchboards provide the ruggedconstruction and service reliabilityrequired for industrial plants, hi-risecomplexes, hospitals, and commercialbuildings, and are built to UL 891 andNEMA PB-2 standards.GeneralType SB1 For LimitedSpace ApplicationsThe Siemens type SB1 switchboardhas been specifically designed forthose applications where floor spaceis at a premium. The SB1 containsfront-connected protective devicesand bus ratings up to 2000 amperesat 600V ac. The rear of all sectionsalign as standard.Type SB2 For Increased ServiceAnd More Load Cable RoomSiemens SB2 switchboards can haveextra depth behind the vertical bus ineach distribution section, and containsprotective devices and bus rated up to4000 amperes at 600V ac. The rear ofall sections align as a standard. Frontand rear alignment is available as anoption.Type SB3 For Custom OptionsThe SB3 switchboard is available withprotective devices and bus up to 6000amperes at 600V ac. Options include,but are not limited to, incoming andoutgoing busway, ACCESScommunication, protective relaying,autothrowover schemes andtransformer connections.Siemens SB SwitchboardsAvailable Features SB1 SB2 SB3Maximum Bus Rating 2000A 4000A 6000AMain Devices MCCB, VB, HCP, BPS MCCB, VB, HCP, BPS, WL (Fixed) MCCB, VB, HCP, BPS, WLFeeder Devices MCCB, VB, HCP, BPS MCCB, VB, HCP, BPS, WL, (Fixed) MCCB, VB, HCP, BPS, WLSolid State MCCB No 100,000 AIC 200,000 AICCustomer Metering Yes Yes YesUtility Metering Yes Yes YesDensity Rated Bussing No Yes YesAccessible Front Front Front (up to 38" deep)Front/Rear (Above 38" deep)Alignment Rear Rear STD; Rear/Front Optional Rear STD; Rear/Front OptionalFor additional information on this product visit our website at www.sea.siemens.com.For application pricing information contact your local distributor or the closest Siemens sales office.12-2Siemens Power Distribution & Control, SPEEDFAX 2007-2008 Product Catalog