Do QO and QOB breakers come as standard with a UL Listed 48 Vdc rating?

Q: Do QO and QOB breakers come as standard with a UL Listed 48 Vdc rating?

Product Line: QO / QOB MCB's Resolution: Due to changes in UL 489, only 2p, 10 to 60 A QO/QOB breakers with a 5272 suffix are rated up to 48 Vdc. They have a 5 kAIC rating on a 48 Vdc system. They also have the 48 Vdc rating listed on the UL label. Note: This does not include breakers ending in GFI, EPD, EPE, AFI, CAFI, DF, AF, or AFGF. DC rated breakers with these suffixes are not available Released for: Schneider Electric Canada

Question

Accepted Answer

Product Line:
QO / QOB MCB's

Resolution:
Due to changes in UL 489, only 2p, 10 to 60 A QO/QOB breakers with a 5272 suffix are rated up to 48 Vdc. They have a 5 kAIC rating on a 48 Vdc system. They also have the 48 Vdc rating listed on the UL label.

Note: This does not include breakers ending in GFI, EPD, EPE, AFI, CAFI, DF, AF, or AFGF. DC rated breakers with these suffixes are not available

Do QO and QOB breakers come as standard with a UL Listed 48 Vdc rating?

Released for: Schneider Electric Canada

Support

Company

Product Resources

Quick Links

Partners

Industries

Insights
opens new tab

Accessibility