Alpha Technologies INVERTER 2000 - Manual (Page 22)

Alpha Technologies Ltd. 014-129-B2 Rev C WC
© 2010 Alpha Technologies Ltd. ALPHA is a registered trademark of Alpha Technologies Ltd. All Rights Reserved. Page 16 of 19
7 Specifications
7.1 DC Input
Nominal Voltage: 48Vdc
Operating Range: 40 to 60Vdc within rated limits
Under Voltage Warning Threshold: 45Vdc
Under Voltage Threshold:
40Vdc
Over Voltage Warning Threshold: 58Vdc
Over Voltage Threshold: 60Vdc
Inrush current: <2 x I rated
Isolation DC-enclosure: 707Vdc (varistors and filter capacitor removed)/1min
Input Protection: Reverse polarity protection
Psophometric Noise Voltage: ≤ 1.0mV ITU-T O.41 (16.66 to 6000Hz)
Wide Band Noise: <1.0mV (psophometric, 25Hz to 5kHz)
<20mVrms (25Hz to 20kHz)
Peak to Peak Noise: <150mV up to 100MHz
7.2 AC Input (with transfer switch)
Voltage Range: 110/115/120Vac: 89 to 138Vac
208/220/230/240Vac: 176 to 276Vac
Over Voltage Threshold: 276 / 138Vac
Under Voltage Threshold: 176 / 89Vac
Frequency Range: 50/60 ±2.5% Hz
Back-feed Protection: Comply with safety requirement
Transfer Time: 8ms when Inverter → Mains AC
10ms when Mains AC → Inverter
7.3 AC Output
Power Capacity: 2000VA/2000W
Waveform: Pure sine wave
Power Factor: 1.0
Nominal Output Voltage: 110/115/120Vac or 208/220/230/240Vac
Voltage Regulation: ±2%
Output Frequency: 50/60Hz
Frequency Variation: ±0.5%
Frequency Setting: Manually, field-selectable
Crest Factor: 3:1
T.H.D. (Current): <3% for linear load, <5% for non-linear load
Capacitive/Inductive Load: -1.0 to +1.0 without exceeding permissible distortion for resistive load
Efficiency: >91%
Current Limitation: Electronic current limitation at overloads and short circuits
Isolation AC-enclosure: Basic isolation (Pri-Gnd) 2121Vdc/1min
Isolation AC-DC: Reinforced isolation (Pri-Sec) 4242Vdc/1min
Surge Protection: EN61000-4-5, Telcordia GR-1089 CORE, ANSI/IEEE C62.41, STD 587-
1980
Dynamic Response: Better than ±10% according to IEC 62040-3 Class 1