19 series a38 / b38 single row t erminal blocks specifica tions rating : a38: 30a, 600v b38: 50a, 600v center spacing : .437 ? (1 1.10 mm) w ire size : #10-22 a wg cu screw size : #8-32 zinc plated steel t orque rating : a38: 9 in-lb; b38: 15 in-lb distance between barriers : .378 ? (9.60mm) operating t emperature : 221 f (105 c) molded material : black, ul rated 94vo thermoplastic breakdown v oltage : 5000v rms recommended pcb hole diameter (a38) : .076 ? (1.93mm) approvals : ul e62622; csa lr15364; ce certified "a" dim. "b" dim. hole size .20 (5.0) .80 (20.4) .28 (7.0) 11.10 (.437) "a" dim. .437 (11.10) .25 (6.4) .65 (16.4) .21 (5.2) poles 02 03 04 05 06 07 08 09 10 1 1 12 13 14 15 16 b mount ctrs. 1.31 1.75 2.19 2.62 3.06 3.50 3.93 4.37 4.81 5.24 5.68 6.12 6.56 6.99 7.43 ? a ? dim. length 1.67 2.10 2.54 2.98 3.41 3.85 4.29 4.72 5.16 5.60 6.04 6.47 6.91 7.35 7.78 ? a ? dim. length 0.93 1.37 1.81 4.05 2.68 3.12 3.56 3.99 4.43 4.87 5.30 5.74 6.18 6.61 7.05 t able a series a38 mounting ends onl y barrier ends onl y * dimensions in inches. t o convert to millimeters, multiply by 25.4. series b38 a382208 b381404 cooper bussmann l 7300 w . wilson ave l chicago, il 60656-4708 l f ax: 708-867-2211 l phone: 708-867-4600 w ebsite: http://www .busscc.com index
20 0.18 (6.4) .30 (7.6) 0.18 (4.6) 0.46 (11.6) 0.25 (6.4) 0.27 (6.8) #6 - 32 nut .58 (4.8) .21 (5.3) #6 - 32 screw #6 - 32 screw .02 (0.5) #6 - 32 nut #6 - 32 nut .58 (4.8) part numbering system series t erminal style base/end # of poles screw options options n n n n n n n n n n n n n n n n n n n n n n 1 - hand wired 1 - flat base, 02 to 16 blank - standard screw l1 to l6 marking options (pg 23) 2 - pc tail mount ends (steel zinc plated, rc - retaining clips (pg 16) 7 - extended wire wrap 2 - flat base, philslot bhms) covers - (pg 24) 8 - short pc tail barrier ends 04 - brass, nickel plated, 9 - .250 ? qc male tab 3 - insulator base* philslot bhms mount ends 07 - steel, sems zinc plated 4 - insulator base* philslot screw barrier ends 92 - steel, zinc plated slotted bhms 94 - brass, nickel plated slotted bhms a 3 8 n n n n n n n n n n n n n n n n n n n n n n 1 - long turret 0 - flat base, 02 to 16 blank - standard screw steel l1 to l6 marking options (pg 23) 2 - short turret mount ends zinc plated philslot bhms) rc - retaining clips (pg 16) 3 - screw terminal 4 - insulator base, 04 - brass, nickel plated, covers - (pg 24) #6-32 screw top barrier ends philslot bhms & bottom) 9 - insulator base 32 - #6-32 zinc plated steel 4 - stud (#8-32 screw mount ends philslot bhms* top, #6-32 screw 34 - #6-32 nickel plated brass bottom) philslot bhms* 5 - double stud (#6-32 92 - steel, zinc plated slotted bhms stud top & bottom) 94 - brass, nickel plated slotted bhms b 3 8 *n/a on 2 & 8 terminal styles. a38 t erminal styles w ire ready screws standard b38 t erminal styles 94 slotted, nickel plated brass 04 brass nickel plated 07 steel sems zinc plated screw options 92 slotted, zinc plated steel standard zinc plated steel 34 nickel plated brass philslot bhms 32 zinc plated steel philslot bhms 1 long t urret 1 handwired 2 p .c.pin 7 extended pin 8 short p . c. pin 9 .250 ? qc male t ab 2 short t urret 3 stud 4 double stud 5 screw t erminal .031 (.79) .250 (6.35) .67 (17.0) .17 (4.3) .062 (1.58) .031 (.79) .031 (.79) .031 (.79) .031 (.79) .59 (15.1) .062 (1.58) .062 (1.58) .20 (5.1) .55 (14.0) .110 (2.80) *note: 32 & 34 screws only *available with 3 terminal style. cooper bussmann l 7300 w . wilson ave l chicago, il 60656-4708 l f ax: 708-867-2211 l phone: 708-867-4600 w ebsite: http://www .busscc.com index
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