steel screw tubular brass screw circuits w/strap clamp w/strap part number catalog number part number catalog number part number catalog number contact type ampacity 50a 65a 50a standard 2 2-1437382-6 b102 2-1437382-8 b102s 2-1437381-0 2b102 4 3-1437382-0 b104 3-1437382-6 b104s 2-1437381-2 2b104 6 4-1437382-0 b106-bu 4-1437382-5 b106s 2-1437381-6 2b106 8 4-1437382-9 b108 5-1437382-5 b108s 3-1437381-0 2b108 12 5-1437382-9 b112-bu 6-1437382-7 b112s 3-1437381-3 2b112 shorting* 2 4-1437381-0 3b102p 5-1437381-6 4b102p 4 4-1437381-1 3b104p 5-1437381-7 4b104p 6 4-1437381-3 3b106p 5-1437381-8 4b106p 8 4-1437381-5 3b108p 5-1437381-9 4b108p 12 4-1437381-7 3b112p 6-1437381-0 4b112p 290 b100, #b100 series, one-piece blocks, 600 v phenolic catalog 1308389 dimensions are in millimeters dimensions are shown for usa: 1-800-522-6752 south america: 55-11-2103-6000 revised 6-07 and inches unless otherwise reference purposes only. canada: 1-905-470-4425 hong kong: 852-2735-1628 specified. specifications subject mexico: 01-800-733-8926 japan: 81-44-844-8013 www.tycoelectronics.com to change. c. america: 52-55-1106-0803 uk: 8706-080-208 note: all part numbers are rohs compliant. buchanan terminal blocks material & finish housing material phenolic, filled flame retardant flammability ul94v-1 color black contacts standard material electrical grade copper or copper alloy conductor. steel screws plated to resist corrosion in most industrial applications. brass material for corrosive environment (2b100, 4b100 series) nickel plated brass straps and screws. meets specification qq-n-290a class 1, grade g wire range strap screw: #18-8 awg solid or stranded; tubular clamp: #14-6 awg solid or stranded screw type strap screw: #10-32 binding head; tubular clamp: #1/4"[6.35]-28 set screw strap screw 7/16" [11.11] max. lug width mechanical properties pitch (terminal spacing) .63" [16.00] wire strip length strap screw: as needed for lugging; tubular clamp: 1/2" [12.1] electrical properties maximum current 70a for a single #6 awg wire operating voltage blocks meet 600v creepage and clearance requirements for general industrial control equipment and panelboards; greatly exceeds ieee switchgear standards for 750 volts. dielectric strength (rh 40% @ sea level) 300 volts/mil thickness per astm d149 ul high voltage arc tracking (in./min.) .49-.58 [12.45-14.73] environmental properties max. continuous temperature 150c (302f) water absorption (24hrs. % wt. gain) .45% per astm d570 chemical resistance resistant to acids, alkalies, and aliphatic hydrocarbons and ketones per astm d543 radiation resistance (ergs g -1 (c) 2.7 x 10 8 min ul independent testing service recognitions wire sizes solid or stranded, tubular clamp 1#6 awg, 1#8 awg, 1or 2 #10 awg, 1or 2#12 awg, 1 to 3 #14 awg, 1 #10 & 1 #12 awg 1 #12 & 1 #14 awg lr25557 e63810 except for 3b and 4b series strap screw threaded circuits #8 & smaller post & nut removable link 2 8-1437381-4 5b102 4 8-1437381-5 5b104 6 8-1437381-7 5b106 8 8-1437381-8 5b108 12 9-1437381-0 5b112 stud, #10-32 2 1-1437382-8 7b102 4 2-1437382-0 7b104 6 2-1437382-1 7b106 8 2-1437382-2 7b108 12 2-1437382-3 7b112 notes: for prenumbered marking strip, add suffix n to catalog number. cannot be used on 3b or 4b series. for factory assembled hinged cover, add suffix h to catalog number. cannot be used on 3b or 4b series. for factory assembled thumbscrew-fastened cover, add suffix t to catalog number. cannot be used on 3b or 4b series. screws and removable links shipped unassembled. *shorting blocks are supplied with 2 shorting screws each.
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