
rev 12.01.01
America’s (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211
Asia (HK): 852-2437-9662
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Special Features
Electrical Specs
3500W 48VDC Compact Power Solution
3500 W Constant Power Output System
Available in 110VAC or 220VAC systems
110 VAC systems can be configured with two to eight,
250W Output Rectifiers providing up to 1750W with
N+1 Redundancy
220 VAC systems can be configured with two to eight,
500 W Output Rectifiers providing up to 3500W with
N+1 Redundancy
Adjustable DC Output Voltage: (-48 to -55.5V)
Adjustable Temperature Compensation slope
Adjustable Low Voltage Disconnect threshold
Adjustable Battery Charge Control (2A to 20A)
Distribution: 10 Fuse Positions (0 to 10A each) - Up to
five breakers
Power Factor Correction
Current Sharing
Soft Switching Technology
Full Output Power at Full Temperature Range
Full Complement of LED and Output Alarms Available
Connections for up to Two Battery Strings
EMI Filter Included
Compact Dimensions (21.5"W x 5.25"H x 14"D) (550 x
133 x 300mm)
Fan shelf (220 V rectifier shelf) for increased
temperature range, and installation in areas with low
volume or no air flow
Input
AC Input
Voltage Range
110/120VAC (86 - 132 VAC)
(250 watt rectifiers)
208/240VAC (176 - 264VAC)
(500 watt rectifiers)
50 - 60 Hz (45 - 65 Hz)
>86% @ full load
0.99 (50 - 100% output load)
Frequency
Efficiency
Power Factor
Total
Harmonic Distortion
<5% @ loads over 50% of rated current
Output
DC Output
Voltage Range
-54.5 VDC
(user selectable -48 to -55.5VDC)
Maximum
Output Power
1750 watt/system @110VAC
(250 watt rectifiers) with N+1
3500 watt/system @ 220VAC
(500 watt rectifiers) with N+1
+/- 0.5% load/line and +/- 1.0%
load/line/temperature
from +/-5% for 10% to 90% or 90% to 10%
load step changes
Voltage Regulation
Dynamic Response
Protection and/or
Disconnect
Parallel Operation
Power/Current Limit
fuses/breakers
+/- 10% of rated current between rectifiers
102.5% +/- 2.5% of rated power at output
voltages >42VDC
Automatic upon insertion
Output voltage remains above -42V
for 30 msec
<55 dB rnC
<250 mV rms
Capacitor Precharge
Hold-up Time
Voice Frequency Noise
High Frequency Noise
500-4000 Watts
HELIOS
MiniSystem 3500
EMC/EMI: FCC Class B, CISPR Class A for digital devices,
Bellcore GR-1089-CORE
ESD: Bellcore TR-NWT-001089
Temperature: -40° to +50°C with natural convection cooling (250 W
rectifiers), -40°C to +65°C with forced air cooling (500 W rectifiers) @ 250
cfm
Humidity: 0 to 95% RH (non-condensing)
Acoustic Noise: <65dB for full system including eight rectifiers, fan unit
Cooling: natural convection / forced air
Shock and Vibration: Bellcore TR-NWT-000063
Fire Resistance: UL94VO
Voltage Surge Protection: meets IEEE C62.41-1991
Safety
UL 1950
UL1801
CSA C22.2 No. 950
IEC-950
Environmental
TM