Selection Guide
30 BLACKBURN MECHANICAL CONNECTORS
Cat. no. Fig.
Conductor range (AWG or kcmil, Al or Cu) Dimensions (in.)
Max. Min. L W H D E F G I
Diagrams
* UL
®
listed.
** NEMA spacing: 1
3
⁄4" centers except ADR02-34 (
7
⁄8" centers) and ADR11-34 (1" centers).
Connectors accommodating conductors 600 kcmil and larger have double row of set screws.
UL 486B, AL9CU
Cat. no.
Conductor range (AWG or kcmil, Al or Cu)
L W H
Mounting
holes G FMax. Min.
Diagrams
* NEMA spacing: 1
3
⁄4" centers.
Connectors accommodating conductors 600 kcmil and larger have double row of set screws (D suffix).
Fig. 1
Fig. 2
I
L
1.75
H
G
F
W
Fig. 1
Fig. 2
G
F
H
1
3
4
“E” bolt size
D
W
I
L
—
Dual-rated mechanical connectors
Type ADR – ALCÜL
™
three- and four-conductor, four-hole mount
—
Type ADR – ALCÜL four-conductor, four-hole mount*
—
Type ADR – ALCÜL three-conductor, four-hole mount**