power distribution - Siemens

Pushbutton Units and Indicator Lights30 mm Heavy Duty, Watertight/Oiltight, Class 52 Cam SelectionSelection and ordering dataOrdering Information• Contact blocks are ordered separately, see page 16-213.• Under Selector Position find the selector operation required (2 or 3 position).• Select the contact operation required for each selector lever position (X indicates when contacts areclosed).• The cam letter column identifies the cam of the selector operator.• Contact block must be assembled in position shown for each circuit application.• Cam D, E or G may be ordered at the same price by changing the 6th character of the selector catalognumber. Example: Selector with D cam 51SA2DA.• C Cam on spring return selectors is limited to 4 contact blocks.• Selector operators in enclosures are limited to depth of 1 contact block. (2 blocks wide).Lever or key operators (viewed from front)CamletterContact blockcatalog no.Mounting(viewed from front)SelectorpositionLever position (X indicates contact closed)Left Right Left Right2 X OA 52BAJ (NC) L or RO X52BAK (NO) L or RIlluminatedX OA 52BAJ (NC) LO X52BAK (NO) LLeft Center Right Right3 X O O B 52BAK (NO) RO O X 52BAK (NO) LX X O 52BAJ (NC) LO X X 52BAJ (NC) RX O X 2 - 52BAK* (NO) L and RX O O C 52BAJ (NC) L or RO O X 52BAK (NO) L or RO X O D 52BAJ (NC) L or RO O X 52BAK (NO) L or RX O O E 52BAK (NO) L or RO X O 52BAJ (NC) L or RX O O G 52BAJ (NC) LO X O 52BAJ (NC) RO O X 52BAK (NO) L or RIlluminatedX O O C 52BAJ (NC) LO O X 52BAK (NO) LO X O B 52BAK (NO) RO O X 52BAJ (NC) RLeft Left center Right center Right4 X O O O H 52BAK (NO) RO X O O 52BAJ (NC) LO O X O 52BAJ (NC) RO O O X 52BAK (NO) LSelector pushbutton operatorsLeftN D NRightD2 X O O O Q 52BAK (NO) RX X O O 52BAJ (NC) LO X O X 52BAJ (NC) RO O O X 52BAK (NO) LX O O O P L or RO X X X L or RX X X O R LX O X X RO X O O RO O O X LLeftCenterRightN D N D N D3 X X O O O OLX O X X O O S RO X O O O XRO O O X O XLSiemens Power Distribution & Control, SPEEDFAX 2007-2008 Product Catalog16-209CONTROLPilot Devices16 PRODUCTS