MD-1000I / MD-2000I / MD-3000I Technical Information
V V
Hot swappable battery Yes
Internal battery Yes
DC leakage current ≤ 30uA (±10uA) with AC not in use and the unit
off
Battery type Sealed, maintenance-free, lead battery
Transfer time
AC to DC None
Inverter to bypass 2.5ms (typically) None
DC start Yes
Self diagnostics Switch located on panel or software
Front panel
LED Load level/Battery level/ Battery mode/ Normal
mode/Bypass mode/ Self test/ Weak/Bad bat-
tery/Local cable failure/ Failure/ Overload/
Programmable output 1/Programmable output 2
Keypads ON key/ OFF key/ (Test/Alarm reset key)
Protection
(AC mode)
＜105％ unlimited
＞106％～120％ for 30 seconds, then bypass
mode
＞121％～150％ for 10 seconds, then bypass
＞150％ immediate transfer to bypass
Continuous audible signal (tone)
(Battery mode)
＜105％ unlimited
＞106％～120％ for 30 seconds, then shut down
＞121％～150％ for 10 seconds, then shut down
＞150％ for immediate shut down
Continuous audible signal (tone)
Overload
(Bypass mode)
＜105％ unlimited
＞106％～120％ for 250 seconds, then shut
down
＞121％～130％ for 125 seconds, then shut
down
＞131％～135％ for 50 seconds, then shut down
＞136％～145％ for 20 seconds, then shut down
＞146％～148％ for 5 seconds, then shut down
＞149％～157％ for 2 seconds, then shut down
＞158％～176％ for 1 seconds, then shut down
＞177％～187％ for 0.32 seconds, then shut
down
＞188％ for 0.16 seconds, then shut down
Continuous audible signal (tone)
Short circuit Bypass mode: input circuit breaker
Normal mode: output circuit breaker
MD Series 87
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