. The units have a 100-kA peak-current rating, built-in thermal fusing, and are housed in rugged and compact 4 X 6 X 4-in. NEMA-12 metal enclosures. Other features include all-mode protection, LED status and audible alarms, sine-wave tracking, and updated approvals including UL 1449, 2nd Edition, UL 1283, and cUL.

Sola/Hevi-Duty, 9377 W. Higgins Rd., Rosemont, IL 60018, (800) 377-4384, solaheviduty.com