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4
Chapter 1 Important Safety Instructions
No.
Symbol
Description
11
EPO
EPO key
12
R
R phase of AC Input/ Bypass Input/ UPS Output
13
S
S phase of AC Input/ Bypass Input/ UPS Output
14
T
T phase of AC Input/ Bypass Input/ UPS Output
15
N
AC Input neutral line/ Bypass Input neutral line/ UPS Output
neutral line / Battery neutral line
16
For UPS grounding
17
For critical load grounding/ For external battery cabinet
grounding
18
Positive battery terminal
19
Negative battery terminal
1.6 Standard
Compliance
This product meets the following safety standards and electromagnetic compatibility (EMC)
inspection standards:
y
UL 1778
y
CSA C22.2 No. 107.3-14
y
FCC Part 15 Class A (EMC)
y
IEC 61000-4-2 (ESD) Level 4
y
IEC 61000-4-3 (Radiated Field) Level 3
y
IEC 61000-4-4 (EFT) Level 4
y
IEC 61000-4-5 (Surge) Level 4