51785B

All holes to accept hangers are 3″ on-center and 0.56″ diameter (to accept 3/8″ diameter hanger bolts).
Mounts to vertical web of beam. Bracket is 2 1/2″ wide by 3/8″ thick.

Specifications

Amperage Rating	500 A
Material	Plated Steel
Type	Bracket with four pre-installed hangers – standard Polycarbonate with insulators
Weight	5.2 lb
X	9
Y	19 1/4
Manufacturer	N/A