Cut Sheet

NEC/CEC —Suitable for hazardous locations:
Class I, Division 2; Class II, Divisions 1 and 2;
Class III, per NEC 501.10(B)(4), 502.10(A)(3),
502.10(B)(4), 503.10(A)(1).
Aluminum Diecast Watertight Hubs
Insulated and Gasketed
Aluminum Diecast Hubs — Insulated
Trade Size
(Inches)
Dimensions in Millimeters (Inches) Dimensions in Millimeters (Inches)
Catalog
Number
Hole Diameter
Min. - Max
Panel Thickness
Min. - Max A B C
1/2
21.8—23.1
(0.86—0.91)
0.8—6.4
(0.03—0.25)
21.1(0.83) 14.5(0.57) 36.6(1.44)
HUB-50A
3/4
27.4—28.9
(1.08—1.14)
0.8—6.4
(0.03—0.25)
22.9(0.90) 15.0(0.59) 42.4(1.67) HUB-75A
1
33.8—35.8
(1.33—1.41)
0.8—6.4
(0.03—0.25)
26.9(1.06) 17.0(0.67) 50.5(1.99) HUB-100A
1-1/4
42.4—44.9
(1.67—1.77)
0.8—6.4
(0.03—0.25)
25.9(1.02) 17.5(0.69) 59.9(2.36) HUB-125A
1-1/2
48.8—51.3
(1.92—2.02)
1.5—6.4
(0.06—0.25)
25.9(1.02) 17.5(0.69) 69.6(2.74) HUB-150A
2
59.9—63.5
(2.36—2.50)
1.5—6.4
(0.06—0.25)
27.4(1.08) 16.8(0.66) 82.0(3.23) HUB-200A
2-1/2
74.7—76.2
(2.94—3.00)
1.5—6.4
(0.06—0.25)
38.6(1.52) 24.9(0.98) 93.6(3.69) HUB-250A
3
90.4—92.2
(3.56—3.63)
1.5—6.4
(0.06—0.25)
38.6(1.52) 24.9(0.98) 110.8(4.36) HUB-300A
3-1/2
103.1—105.7
(4.06—4.16)
1.5—6.4
(0.06—0.25)
38.6(1.52) 24.9(0.98) 126.0(4.96) HUB-350A
4
115.8—118.6
(4.56—4.67)
1.5—6.4
(0.06—0.25)
38.6(1.52) 24.9(0.98) 138.5(5.45)
HUB-400A
Grounding Style Hubs — Insulated
Trade Size
(Inches)
Dimensions in Millimeters (Inches)
Dimensions in Millimeters (Inches)
Catalog
Number
Hole Diameter
Min. - Max
Panel Thickness
Min. - Max D E F G H
1/2
21.8—23.1
(0.86—0.91)
0.8—6.4
(0.03—0.25)
21.1(0.83) 14.5(0.57) 36.6(1.44) 10-32x0.3 15.0(0.59)
HUBG-50A
3/4
27.4—28.9
(1.08—1.14)
0.8—6.4
(0.03—0.25)
22.9(0.90) 15.0(0.59) 42.4(1.67) 10-32x0.3 15.0(0.59) HUBG-75A
1
33.8—35.8
(1.33—1.41)
0.8—6.4
(0.03—0.25)
26.9(1.06) 17.0(0.67) 50.5(1.99) 10-32x0.3 16.0(0.63) HUBG-100A
1-1/4
42.4—44.9
(1.67—1.77)
0.8—6.4
(0.03—0.25)
25.9(1.02) 17.5(0.69) 59.9(2.36) 1/4-20x0.333 17.5(0.69) HUBG-125A
1-1/2
48.8—51.3
(1.92—2.02)
1.5—6.4
(0.06—0.25)
25.9(1.02) 17.5(0.69) 69.6(2.74) 1/4-20x0.333 20.6(0.81) HUBG-150A
2
59.9—63.5
(2.36—2.50)
1.5—6.4
(0.06—0.25)
27.4(1.08) 16.8(0.66) 82.0(3.23) 1/4-20x0.333 20.6(0.81) HUBG-200A
2-1/2
74.68—76.2
(2.94—3.00)
1.5—6.4
(0.06—0.25)
38.6(1.52) 24.9(0.98) 93.6(3.69) 1/4-20x0.333 30.8(1.21) HUBG-250A
3
90.42—92.2
(3.56—3.63)
1.5—6.4
(0.06—0.25)
38.6(1.52) 24.9(0.98) 110.8(4.36) 1/4-20x0.333 30.8(1.21) HUBG-300A
3-1/2
103.12—105.66
(4.06—4.16)
1.5—6.4
(0.06—0.25)
38.6(1.52) 24.9(0.98) 126.0(4.96) 1/4-20x0.333 31.0(1.22) HUBG-350A
4
115.82—118.62
(4.56—4.67)
1.5—6.4
(0.06—0.25)
38.6(1.52) 24.9(0.98) 138.5(5.45) 1/4-20x0.333 31.0(1.22)
HUBG-400A
commercial and industrial fittings: rigid and imc conduit fittings
Visit our website at www.emerson.com or contact us at (800) 621-1506.
© February 2017
183