We deal in Alfa Digital Online UPS systems(3KVA to 10KVA are available in both single-phase version & three-phase version. Employing cutting edge inversion technology using high frequency sine weighted P.W.M.
Technical specification of Digital UPS
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ALFA SERIES
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1phase INPUT 1phase OUTPUT
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Input Voltage
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230V - 20% + 15%
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Frequency
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50Hz + 10%
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Dc Voltage
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180v DC
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Output Voltage
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220-230 + 1%
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Frequency
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50Hz + 0.01%
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Power Factor
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0.7 Lag to Unity
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Crest Factor
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3:1
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Transient Response
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Output Remains Within 5%
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On 10% To 100%
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Recovery Within 1 cycle
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Step Load Change
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Output Isolation
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In Build
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Over Load |
150% For 1 Sec
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110% For 1 Minute
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Input Over Voltage
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Rectifier Trip
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Dc Under/Over Voltage
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Inverter Trip
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O/P Under/Over Voltage
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Inverter Trip
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RIF / Emi Protection
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Yes
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Computer Interface
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Thought Db - 9 Port Optional
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Generator Compatible
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Yes
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Acoustic Noise
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< 50 Db At One Meter
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Static By Pass
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Optional
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Inverter
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- O/P Over voltage/Under voltage
- O/P Overload
- O/P Short Circuit
- DC Under voltage
- Over Temperature
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Rectifier Trip: Mains Fall
Battery Low Pre-alarm: System Trip Overload:
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Operating Temperature Storage Humidity Cooling Noise Altitude
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0 to 45oC () to 50oC optional -10 to 50oC Up to 5% RH (Non-condensing) Forced air cooling <60 db up to 100 KVA <3000 mtr. Above mean sea level
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