37
Ultron NT Series
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Battery number for each string: 12V × 29 PCS.
NOTE :
You can also choose 12V × 28 PCS or 12V × 30 PCS batteries.
Please contact your local dealer or customer service for battery selection,
installation and replacement.
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Only use the same type of batteries from the same supplier. Never use old, new
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The number of batteries must meet UPS requirements.
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Do not connect the batteries in reverse.
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Use a voltage meter to measure whether the total voltage, after battery connec-
tion, is around 12.5 Vdc × the total number of batteries.
NOTE :
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battery/ battery cabinet replacement.
2. A battery can present a risk of electric shock and high short-circuit
current. Servicing of batteries and battery cabinets must be performed
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battery cabinets and required precautions. Keep unauthorized
personnel away from the batteries and battery cabinets.
3. The maximum battery fault current is 2.8kA.
4. The table below shows each model’s battery fault current.
UPS Capacity (VA)
15K
30K
60K
100K
Battery Fault Current (kA)
(Discharge time: 30 minutes)
1.0
1.5
2.2
2.8
5. The DC voltage of the overcurrent protective device that needs to be
installed near the external battery cabinet must be 500Vdc.
WARNING:
A battery leak can short-circuit the batteries and lead to serious
accidents. For safety's sake, you must insulate the batteries from their
touched metal cabinets by installing insulated devices (e.g. insulated
trays or boxes) in between. For relevant information about the insulated
materials for such application, please contact Delta customer service.