Specification and Ordering Information for 3M™ BBI-A Series Bus Bar Tubing
Product UPC Outside DImension Round Case
Number (051135-) (Bar Circumference A) Rectangular Square (Diameter) Qty.
5, 8 & 15 kVBus Bar Size Ranges
BBI-3A 35726 3.28–5.57" 1 1/2 x 1/4–2 1/2 x 1/2" 1 x 1–1 1/2 x 1 1/2" 1 1/8–1 3/4" 20
35727 (83–141 mm) (38 x 6–64 x 13 mm) (25 x 25–38 x 38 mm) (29–44 mm) 50
BBI-4A 35728 5.43–8.86" 2 1/2 x 3/8–4 x 3/4" 2 x 2" 1 3/4–2 3/4" 20
35729 (138–225 mm) (64 x 10–102 x 19 mm) (51 x 51 mm) (44–70 mm) 50
BBI-5A 35730 6.67–10.86" 3 x 5/8–5 x 3/4" 2 x 2–2 x 1/2 x 2 1/2" 2 1/8–3 3/8" 20
35731 (169–276 mm) (76 x 16–127 x 19 mm) (51 x 51–64 x 64 mm) (54–86 mm) 50
BBI-6A 35732 7.57–12.86" 3 1/2 x 1/2–6 x 3/4" 2 1/2 x 2 1/2–3 x 3" 2 1/2–4" 20
35733 (192–327 mm) (89 x 13–152 x 19 mm) (64 x 64–76 x 76 mm) (64–102 mm) 50
BBI-7A 35734 8.28–13.00" 4 x 1/4–6 x 3/4" 2 1/2 x 2 1/2–3 x 3" 2 3/4–4 1/8" 20
35735 (210–330 mm) (102 x 6–152 x 19 mm) (64 x 64–76 x 76 mm) (70–105 mm) 50
BBI-8A 35736 10.29–16.43" 5 x 1/4–8 x 3/8" 3 x 3–4 x 4" 3 3/8–5 1/8" 20
35737 (261–417 mm) (127 x 6–203 x 10 mm) (76 x 76–102 x 102 mm) (86–130 mm) 50
BBI-9A 35876 12.29–19.23" 6 x 1/4–9 x 3/4" 3 1/2 x 3 1/2–5 x 5" 4–6 1/8" 20
35877 (312–488 mm) (152 x 6–229 x 19 mm) (89 x 89–127 x 127 mm) (102–156 mm) 50
BBI-10A 35878 15.43–24.14" 8 x 1/4–10 x 3/4" 5 x 5–6 x 6" 5–7 5/8" 20
35879 (392–612 mm) (203 x 6–254 x 19 mm) (127 x 127–152 x 152 mm) (127–194 mm) 50
25 kVBus Bar Size Ranges
BBI-3A 35726 3.28–3.56" 1 1/2 x 1/4–1 1/2 x 3/8" Measure 1 1/8" 20
35727 (83–90 mm) (38 x 6–38 x 10 mm) circumference (29 mm) 50
BBI-4A 35728 5.43–5.80" 2 1/2 x 3/8–2 1/2 x 5/8" Measure 1 3/4" 20
35729 (138–147 mm) (64 x 10–64 x 16 mm) circumference (44 mm) 50
BBI-5A 35730 6.67–7.18" 3 x 5/8–3 x 3/4" Measure 2 1/8–2 1/4" 20
35731 (169–182 mm) (76 x 16–76 x 19 mm) circumference (54–57 mm) 50
BBI-6A 35732 7.57–8.43" 3 1/2 x 1/2–4 x 1/4" Measure 2 1/2–2 5/8" 20
35733 (192–214 mm) (89 x 13–102 x 6 mm) circumference (64–67 mm) 50
BBI-7A 35734 8.28–10.44" 4 x 1/4–5 x 3/8" 2 1/2 x 2 1/2" 2 3/4–3 1/4" 20
35735 (210–265 mm) (102 x 6–127 x 10 mm) (64 x 64 mm) (70–83 mm) 50
BBI-8A 35736 10.29–12.88" 5 x 1/4–6 x 3/4" 3 x 3" 3 3/8–4" 20
35737 (261–327 mm) (127 x 6–152 x 19 mm) (76 x 76 mm) (86–102 mm) 50
BBI-9A 35876 12.29–15.31" 6 x 1/4–7 x 3/4" 3 1/2 x 3 1/2–4 x 4" 4–4 7/8" 20
35877 (312–389 mm) (152 x 6–178 x 19 mm) (89 x 89–102 x 102 mm) (102–124 mm) 50
BBI-10A 35878 15.43–19.79" 8 x 1/4–9 x 3/4" 5 x 5" 5–6 1/4" 20
35879 (392–503 mm) (203 x 6–229 x 19 mm) (127 x 127 mm) (127–158 mm) 50
35 kVBus Bar Size Ranges
BBI-7A 35734 8.28–8.86" 4 x 1/4–4 x 3/4" Measure 2 3/4" 20
35735 (210–225 mm) (102 x 6–102 x 19 mm) circumference (70 mm) 50
BBI-8A 35736 10.29–10.94" 5 x 1/4–5 x 3/4" Measure 3 3/8" 20
35737 (261–278 mm) (127 x 6–127 x 19 mm) circumference (86 mm) 50
BBI-9A 35876 12.29–13.00" 6 x 1/4–6 x 3/4" Measure 4–4 1/8" 20
35877 (312–330 mm) (152 x 6–152 x 19 mm) circumference (102–105 mm) 50
BBI-10A 35878 15.43–16.86" 8 x 1/4–8 x 3/4" Measure 5–5 1/4" 20
35879 (392–428 mm) (203 x 6–203 x 19 mm) circumference (127–133 mm) 50
Note: Rectangular and square bar sizes are based on bars having radiused edges and corners.
