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)
Frequency 50 - 60 Hz (45 - 65 Hz)
Efficiency >86% @ full load
Power Factor 0.99 (50 - 100% output load)
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
Voltage Regulation +/- 0.5% load/line and +/- 1.0%
load/line/temperature
Dynamic Response from +/-5% for 10% to 90% or 90% to 10%
load step changes
Protection and/or
Disconnect fuses/breakers
Parallel Operation +/- 10% of rated current between rectifiers
Power/Current Limit 102.5% +/- 2.5% of rated power at output
voltages >42VDC
Capacitor Precharge Automatic upon insertion
Hold-up Time Output voltage remains above -42V
for 30 msec
Voice Frequency Noise <55 dB rnC
High Frequency Noise <250 mV rms
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