500-750 Watts
TM
HELIOS
Mini 500
500W 48VDC Compact Power Solution
Electrical Specs
Input
AC Input Range
Input Voltage 110 Vrms (86-132)
Input Current
typical 5.5 A @ 120 Vrms,
Max 11.5 A
Frequency
Efficiency
50-60 Hz (45-65 Hz)
>86%
Power Factor
0.99 for >50% rated output current
Total Harmonic Distortion <5% for >50% rated output current
Output
DC Output Voltage
-54.5 VDC 0.5%
DC Output Current
6 A per rectifier @ current limit
Special Features
Maximum Output Power 102.5% 2.5% rated output power
for Vout > 42 V
• System includes rectifiers, temperature com-
pensation, charge control, low voltage
disconnect, and distribution fuse module in a
standard, compact package
Voltage Regulation
0.5% load/line 1.0% load/line
temp.
Dynamic Response
5% for 10% to 90% or 90% to 10%
step launch
• Up to three, 250 W Output Rectifiers,
providing 250 W, 500 W or 500 W with N+1
Redundancy and 750 W Charging Power
• Adjustable DC Output Voltage: (-48 to - 55.5V)
• Adjustable Temperature Compensation slope
• Adjustable Low Voltage Disconnect threshold
• Adjustable Battery Charge Control (2 - 20 A)
• Distribution: 10 Fuse Positions (0 to10 A each)
• Convection Cooled
Protection and/or
Disconnect
Internal DC fuse
Parallel Operation
10% of rated current between
rectifiers
Capacitor Precharge
automatic upon insertion of
rectifiers
Hold-up Time
Vout remains > 42 V for 30 msec
<55 dB rnC
Voice Frequency Noise
• Power Factor Correction
• Current Sharing
• Soft Switching Technology
High Frequency Noise
(wideband)
<100 mVrms
• 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
Environmental & Safety
EMC/EMI: FCC Class B, part 15 sub part B, and Bellcore 1089
ESD: TR-NWT-001089, 15 kV no damage,
2 kV no disturbance
• Full front access unit available
Temperature and Humidity: -40°C to +50°C (up to +65°C with
sufficient airflow)
Acoustic Noise: <55 dB with ‘A’ weighting
Cooling: Natural Convection
Shock and Vibration: TR-NWT-000063
Fire Resistance: All material UL 94-VO
Safety:
UL 1950
IEC 950
CSA 22.2 # 950
166
America’s (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211
Asia (HK): 852-2437-9662
rev 12.01.01