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