barrier strips tri-barriers 55 thomas & betts electr onics/oem division t el: 901-252-7766 fax: 901-252-1312 d escription /a pplication the t ri-bar rier pr oduct is an original thomas & betts design and we set new ter minal block standar ds with its intr oduction. in r ecent years, some of our competition has copied this design. it s easy to see why we? e copied. our t ri-bar rier blocks help contain stray or frayed wir e ends. this pr events electrical shor ts ?not only between positions on the same block, but also between other components immediately adjacent to the block. w ith today s high-density pcb designs, this has become an incr easingly impor tant featur e. a pplications ? industrial contr ols and automation ?machine tools ?hv ac/r ?power supplies ?security/ir rigation ?t ransfor mers d esign a dvantages ? back bar riers to safeguar d field wiring ? fast wiring ?backed-out wir e- r eady scr ews ? inter upted thr ead pr events scr ews fr om falling out ? standof fs allow flux and solvents to drain during cleaning ? molded-to-length or cut-to-length versions available ? slotted or phil-slot scr ews available tri-barrier strips connector index 0.250 pitch, series #3....................................................56-59 0.250 pitch, series rsb2..............................................60, 61 0.325 pitch, series #4....................................................62-65 0.325 pitch, series rsb3 ..............................................66-69 0.375 pitch, series #6....................................................70-73 0.375 pitch, series rsb6 ..............................................74-77 0.375 pitch, series bc6, panel mount ..........................78-79 0.375 pitch, series mb6, double level ........................80, 81 0.4375 pitch, series #8 ..................................................82, 83
vertical
mount right
angle
mount l = a+ 22,2
(.875) a 8,4
(.33) 6,5
(.255) 9,3
(.368) 17,8
(.770) 0,8
(.03) #8-32 wire clamping screw (std.) 20,3
(.80) 8,5
(.335) 11,1
(.4375) 4,8
(.19) 5,1
(.20 ) 5,1
(.20) 8,1
(.32) barrier strips tri-barriers 82 thomas & betts electr onics/oem division t el: 901-252-7766 fax: 901-252-1312 dimensions shown ar e for r efer ence only . dimensions ar e in millimeters (inches). lr30811 e54800 2 (0.4375) 1 1,1 3 (0.87) 22,2 4 (1.31) 33,3 5 (1.75) 44,5 6 (2.19) 55,6 7 (2.62) 66,7 8 (3.06) 77,8 9 (3.50) 88,9 10 (3.93) 100,0 11 (4.37) 111,1 12 (4.81) 122,2 13 (5.25) 133,3 14 (5.69) 144,5 15 (6.12) 155,6 16 (6.56) 166,7 17 (7.00) 177,8 18 (7.44) 188,9 19 (7.87) 200,0 20 (8.31) 211,1 21 (8.75) 222,2 22 (9.19) 233,4 23 (9.62) 244,5 24 (10.06) 255,6 25 (10.50) 266,7 26 (10.94) 277,8 terminals a terminals a cut out cut out 3,0
(.12) 8,4
(.33) 6,5
(.255) 4,8
(.19) 4,5
(.18) 5,5
(.255) 6,1
(.24) 7,6
(.30) 5,6
(.22) 11,2
(.44) 4,5
(.18) dia. dia. 7,6
(.30) 8,4
(.33) 5,1
(.20) 3,1
(.514) 1,8
(.073) dia. 11,1
(.4375) 8,1
(.32) dia. 4,5
(.18) (for dual
pin configuration) right angle ver tical mounting panel layout right angle ver tical printed circuit board layout 0.4375" pitch series #8 p hysical p roperties h ousing m a terial : polypr opylene f lammability : ul94v -0 c olor : black t erminal t erminals : bright acid tin over copper alloy s crews : #8-32 steel, zinc plating with clear chr omate coating. w ir e clamping scr ews stan - dar d. binding head scr ew with under cut optional. m echanical p itch (t erminal s p acing ): .375" r ecommended pcb h ole d ia .: 1.8mm (.073") e lectrical p roperties m aximum c urrent : 30a o pera ting v olt age : 300v w ire r ange : 10-18 a wg (ul) 10-22 a wg (csa) e nvironmental p roperties o pera ting t empera ture r ange : 105 c max. #8 series tri-barriers
barrier strips tri-barriers 83 thomas & betts electr onics/oem division t el: 901-252-7766 fax: 901-252-1312 dimensions shown ar e for r efer ence only . dimensions ar e in inches. 0.4375" pitch series #8 o rdering i nformation lr30811 e54800 8 pcv - 04 - 004 mounting construction no mounting no mounting no mounting no mounting terminal modifier modifier style slotted head phil-slot head screw style dbl 000 006 wire clamp 001 007 binding head pcv 000 006 wire clamp 001 007 binding head 004 008 wire clamp 005 009 binding head pcr 000 006 wire clamp 001 007 binding head 004 008 wire clamp 005 009 binding head qcv 000 006 wire clamp stv wwv 004 008 wire clamp qcr 000 006 wire clamp str wwr 004 008 wire clamp tbv 000 006 wire clamp scr ew size spacing 8 = #8-32 on .4375" centers no. of cir cuits (not positions) 02 thr ough 26 ter minal style dbl = double printed cir cuit pin pcr = printed cir cuit, right angle pcv = printed cir cuit pin, v er tical qcr = quick connect t ab, right angle qcv = quick connect t ab, v er tical str = solder t urr et, right angle stv = solder t urr et, v er tical tbv = non feed thr u wwr = solderless w ir e w rap, right angle wwv = solderless w ir e w rap, v er tical a b c c d a b modifiers use table below . note: if modifier is -000 it may be omitted. (8pcv -06) d combo head slotted head phil-slot head slotted head
barrier strips tri-barriers 84 thomas & betts electr onics/oem division t el: 901-252-7766 fax: 901-252-1312 dimensions shown ar e for r efer ence only . dimensions ar e in millimeters (inches). 0.4375" pitch series #8 5,1 (.20 ) 1,1 (.045 ) 0,84 (.033 ) 3,3 (.13 ) 5,1 (.20 ) 4,8 (.19 ) 8,1 (.32 ) 4,6 (.18 ) dia. 9,1 (.36 ) dia. #8 right angle mount bushing 11,8 (.465) 8,1 (.32 ) 10,2 (.40 ) 3,8 (.15 ) 3,0 (.12 ) 1,7 (.065) 10,4 (.41 ) 0,84 (.033) 5,1 (.20 ) 1,1 (.045 ) 4,1 (.16 ) dia. #8 screw clearance #8 right angle mount bushing 6,4 (.25 ) 8,1 (.32 ) 13,2 (.52 ) 17,8 (.70 ) 0,84 (.033 ) 5,1 (.20 ) 13,1 (.514 ) vertical mount bushings tbv tbv str stv pcr pcv dbl wwv wwr optional vertical mount 4,7 (.187) #8 right angle mount bushing 6,4 (.25 ) 8,1 (.32 ) 13,2 (.52 ) 13,2 (.52 ) 0,84 (.033 ) 5,1 (.20 ) qcv qcr printed circuit pin quick connect non-feed thru wire wrap solder turret
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