What ground fault breakers offer people protection (4-6 mA)?

Issue:
Is there a (4-6 mA) ground fault breaker (GFI) breaker for a 480Y/277 V system?

Product Line:
Residential circuit breakers

Resolution:
ONLY QO/QOB and HOM breakers offer GFCI people protection and they are ONLY rated for use on 120/240 Vac circuits. No breakers are available at 277 Vac or above for people protection.

Released for: Schneider Electric USA