A Support Bracket is required when suspending a 600-mm wide sloped-front enclosure from above. The rigid bracket mounts inside the enclosure to stiffen its top. Bracket has prepunched holes to fit COMPACT Pendant Arm Series 4 Systems 50, 60 and 80 flan ge couplings as well as swivel tilts. Bracket is used as a template to drill holes in sloped front. Bracket is .125-inch-thick aluminum and is furnished with mounting bolts and seals. A support bracket can also be used inside a base for Series 4 System 50, 60 and 80 sloped fronts when mounting from below.