APC VS 50 - Manual (Page 63)

Magnum VS –48 Vdc User’s Manual Page 58
9.6. Compliance
NEBS
Level 3 (Pending)
Safety UL 60950
CE Marked to Low Voltage Directive (EN60950)
EMC FCC Part 15 Class A
EN55022 Class A, EN55024
EN61000-3-2, EN61000-3-3