Joslyn Surgitron I AC Surge Protector 1456-45 480y/277v 50-60hz 3ph 4w, L-N 700v All Brands_Ilsco The Square D QOB3201021 is

The Square D QOB3201021 is a 20 Amp

The Zinsco ML12(8-16) is a 125 amps

Its E Frame construction ensures reliable performance and durability in demanding electrical applications

Brand: Products Unlimited/Tyco Electronics

BQ230230/A230230

Joslyn Surgitron I AC Surge Protector 1456-45 480y/277v 50-60hz 3ph 4w, L-N 700v All Brands_Ilsco The Square D QOB3201021 isJoslyn Surgitron I AC Surge Protector 1456 45 480y 277v 50 60hz 3ph 4w, L N 700v was pulled from working system with no faults 3 of the items are the same LED light on the front the 4th one has red lights please see all pictures. The Joslyn Surgitron I AC Surge Protector 1456 45 is engineered to protect against power surges up to 700V. With 480Y 277V 50 60Hz, 3PH, and 4W, it is designed to keep your electrical equipment safe and secure.