“UL 542:1999” has been added to your cart. View cart Home UL UL 489A CSDS Proposal:2013 UL 489A CSDS Proposal:2013$259.43 Original price was: $259.43.$129.00Current price is: $129.00. Standard for Circuit Breakers for Use in Communications Equipment Underwriters Laboratories , 03/01/2013 UL 489A CSDS Proposal:2013 quantity Add to cart Category: UL Description Standard By:Underwriters Laboratories , 03/01/2013 Published:03/01/2013 Related products UL Subject 1063:1999 $297.76 Original price was: $297.76.$148.00Current price is: $148.00. Add to cart UL 507:1999 $155.31 Original price was: $155.31.$77.00Current price is: $77.00. Add to cart UL Subject 60730-2-4:1999 $200.80 Original price was: $200.80.$100.00Current price is: $100.00. Add to cart UL Subject 466:1999 $126.07 Original price was: $126.07.$63.00Current price is: $63.00. Add to cart UL Subject 1564:1999 $161.46 Original price was: $161.46.$80.00Current price is: $80.00. Add to cart UL Subject 2329:1999 $120.39 Original price was: $120.39.$60.00Current price is: $60.00. Add to cart UL Subject 10:1999 $193.42 Original price was: $193.42.$96.00Current price is: $96.00. Add to cart UL Subject 1062:1999 $282.91 Original price was: $282.91.$141.00Current price is: $141.00. Add to cart UL Subject 83:1999 $244.01 Original price was: $244.01.$122.00Current price is: $122.00. Add to cart UL 768:1999 $222.51 Original price was: $222.51.$111.00Current price is: $111.00. Add to cart