What is the maximum AIR (or SCCR) for the QMB/QMJ branch switches when used on a DC voltage system?
Issue:
Product Design Features
Product Line:
QMB branch switches
Resolution:
FIRST, VERIFY THAT THE SPECIFIC QMB/QMJ BRANCH SWITCHES HAVE A DC VOLTAGE RATING AND THIS SHOULD BE MARKED ON THE SWITCH WIRING DIAGRAM.
The maximum short circuit current rating for the QMB/QMJ branch switches when used on a DC voltage system is 10 kAIC. This applies to all DC voltage systems (see wiring diagram of switch to confirm if rated for DC; 250 Vdc maximum).
Product Design Features
Product Line:
QMB branch switches
Resolution:
FIRST, VERIFY THAT THE SPECIFIC QMB/QMJ BRANCH SWITCHES HAVE A DC VOLTAGE RATING AND THIS SHOULD BE MARKED ON THE SWITCH WIRING DIAGRAM.
The maximum short circuit current rating for the QMB/QMJ branch switches when used on a DC voltage system is 10 kAIC. This applies to all DC voltage systems (see wiring diagram of switch to confirm if rated for DC; 250 Vdc maximum).
Released for: Schneider Electric USA
Need help?
Product Selector
Quickly and easily find the right products and accessories for your applications.
Get a Quote
Start your sales inquiry online and an expert will connect with you.
Where to buy?
Easily find the nearest Schneider Electric distributor in your location.
Help Center
Find support resources for all your needs, in one place.