Site Preparations
2-4 Invenia ABUS 2.0 – System Setup and Basic Service Manual
4700-0043-00 Rev. 4
Power stability requirements
Voltage drop-out:
Max 10 ms.
Power transients (all applications):
Less than 25% of nominal peak voltage for less than 1
millisecond for any time of transient, including line frequency,
synchronous, asynchronous, or aperiodic transients.
Table 2-2: Power Stability Requirement
Voltage dips, short
interruptions and
voltage variations on
power supply input lines
IEC 61000-4-11
<5% UT (>95% dip in
UT) for 0.5 cycle
<5% UT (>95% dip in
UT) for 0.5 cycle
Mains power quality
should be that of a
typical commercial or
hospital environment.
40% UT (60% dip in
UT) for 5 cycles
40% UT (60% dip in
UT) for 5 cycles
70% UT (30% dip in
UT) for 25 cycles
70% UT (30% dip in
UT) for 25 cycles
<5% UT (>95% dip in
UT) for 5 s
<5% UT (>95% dip in
UT) for 5 s