$143.50 Original price was: $143.50.$71.00Current price is: $71.00. Standard for Circuit Breakers for Use in Communications Equipment Underwriters Laboratories , 03/01/2013 UL 489A CSDS Proposal quantity Add to cart Category: UL Description Standard By:Underwriters Laboratories , 03/01/2013 Published:03/01/2013 Related products UL Subject 1062 $129.84 Original price was: $129.84.$64.00Current price is: $64.00. Add to cart UL Subject 10 $220.13 Original price was: $220.13.$110.00Current price is: $110.00. Add to cart UL Subject 1670 $230.25 Original price was: $230.25.$115.00Current price is: $115.00. Add to cart UL 1413 $631.00 Original price was: $631.00.$315.00Current price is: $315.00. Add to cart UL Subject 466 $107.75 Original price was: $107.75.$53.00Current price is: $53.00. Add to cart