rev 12.01.01

America’s (USA): 1-888-41-ASTEC

Europe (UK): 44 (1384) 842-211

Asia (HK): 852-2437-9662

166

Special Features

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

50-60 Hz (45-65 Hz)

Efficiency

>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

Maximum Output Power

102.5% ± 2.5% rated output power

for Vout > 42 V

Voltage Regulation

0.5% load/line ± 1.0% load/line

temp.

Dynamic Response

± 5% for 10% to 90% or 90% to 10%

step launch

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

Voice Frequency Noise

<55 dB rnC

High Frequency Noise

(wideband)

<100 mVrms

• System includes rectifiers, temperature com-

pensation, charge control, low voltage

disconnect, and distribution fuse module in a

standard, compact package

• 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

• 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

• Full front access unit available

500W 48VDC Compact Power Solution

500-750 Watts

HELIOS

Mini 500

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

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

Environmental & Safety

TM