Description
MATERIAL: A36 hot rolled steel. All bolts, nuts and washers are steel.
FINISH: Hot dip galvanized per ASTM A-153.
Crossarm Mounting Brackets
CMB Type (NEMA BRACKETS), Cutout & Arrester Mounts
| CATALOG NUMBER | Description |
Dimensions (inches) |
||||
| A | B | C | Steel Size | |||
| Angle Bkt. | Back Strap | |||||
| CMB-1 | NEMA Type A | 2-3/4 to 4 | 4-1/8 to 5-1/4 | 2-1/4 | 5/16 x 1-1/2 |
1/4 x 1-1/4 |
| CMB-2 | NEMA Type B | 2-1/4 | 3/8 x 1-3/4 | |||
| CMB-3 | NEMA Modified | 4-15/16 | 3/8 x 1-3/4 | |||
| CMB-4 | NEMA Modified | 5-1/2 | 3/8 x 2 | |||
CMB-A TYPE, Cutout & Arrester Mounts for larger crossarms
| CATALOG NUMBER | Description |
Dimensions (inches) |
||||
| A | B | C | Steel Size | |||
| Angle Bkt. | Back Strap | |||||
| CMB-1A |
With extra |
2-3/4 to 4 | 4-1/8 to 6 | 2-1/4 | 5/16 x 1-1/2 |
1/4 x 1-1/4 |
| CMB-2A | 2-1/4 | 3/8 x 1-3/4 | ||||
| CMB-3A | 4-15/16 | 3/8 x 1-3/4 | ||||
| CMB-4A | 5-1/2 | 3/8 x 2 | ||||
CMB-L TYPE (angle only)
|
CATALOG NUMBER |
Description |
Dimensions (inches) |
|
| C |
Steel Size |
||
| CMB-1-L | NEMA Type A | 2-1/4 | 5/16 x 1-1/2 |
| CMB-2-L | NEMA Type B | 2-1/4 | 3/8 x 1-3/4 |
| CMB-3-L | NEMA Modified | 4-15/16 | 3/8 x 1-3/4 |
| CMB-4-L | NEMA Modified | 5-1/4 | 3/8 x 2 |
| CMB-1A-L |
With extra |
2-1/4 | 5/16 x 1-1/2 |
| CMB-2A-L | 2-1/4 | 3/8 x 1-3/4 | |
| CMB-3A-L | 4-15/16 | 3/8 x 1-3/4 | |
| CMB-4A-L | 5-1/4 | 3/8 x 2 | |
BACK STRAPS & HARDWARE SETS
| CATALOG NUMBER | Description |
| CMB-BS | NEMA back strap, 1/4″ x 1-1/4″ steel |
| CMB-ABS | A-type back strap, 1/4″ x 1-1/4″ steel |
| CMB-HS-6 | Hardware set, NEMA strap with 6″ carriage bolts |
| CMB-AHS-7 | Hardware set, A-type with 7″ carriage bolts |
