UPS (Uninterruptible Power Supply)
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Electronics and Electrical Engineering
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- Product Description
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- Commodity name: UPS (Uninterruptible Power Supply)
EH5500 LV Series High-Frequency Online Single-Input Single-Output UPS (1KVA-3KVA)
The EH5500 LV series is a new generation of high-frequency online UPS, adopting advanced DSP digital control technology. This effectively improves product performance and system reliability, achieves higher power density, and features small size, light weight, and high operating efficiency.
Features. Effectively solves power problems such as power outages, high mains voltage, low mains voltage, voltage dips, attenuation oscillations, high-voltage pulses, surge voltage, harmonic distortion, noise interference, and frequency fluctuations, providing the load with the best power environment.
Main Features:
• Double-conversion online design, zero switching time output.
• Uses DSP digital control, excellent performance indicators, making the control system more stable and reliable.
• Adopts active power factor correction technology (PFC), the input power factor is close to 1, greatly reducing pollution to the mains power grid, achieving energy saving and reducing system investment costs.
• Output voltage 100Vac/110Vac/115Vac/120Vac/127Vac selectable.
• Ultra-wide input voltage range, the minimum input voltage can be as low as 110V without switching to battery power.
• Uses LCD+LED real-time display, users can intuitively understand the UPS operating status.
• Has a power-on self-diagnosis function, allowing timely detection of latent UPS faults.
• Cold start from battery is possible without mains power.
• Input frequency range 40~70Hz, ensuring stable operation when connected to various diesel generators.
• Has overvoltage, undervoltage protection for AC input, output overload protection, short-circuit protection, temperature protection, battery undervoltage warning protection and battery overcharge protection, etc.
• Output power factor 1.0, achieving stronger load capacity, overall efficiency as high as 95%, reducing UPS power loss.
• When the mains power is interrupted, the UPS discharges in battery mode until shutdown; when the mains power is restored, the UPS automatically powers on and charges the battery, realizing unattended operation.
• Standard RS232 and USB communication ports, allowing the UPS to be monitored and managed via computer software for multifunctional and versatile operations. An SNMP card (optional) can be installed to enable
remote monitoring.
Technical Parameters:
Model EH55 LV 1K EH55 LV 1KS EH55 LV 2K EH55 LV 2KS EH55 LV 3K EH55 LV 3KS Rated Capacity 1KVA/1KW 2KVA/2KW 3KVA/3KW Input Input Type L+N+PE Rated Input Voltage 100/110/115/120/127VAC Voltage Range 55~150VAC Frequency Range 50/60±6Hz (default), ±10Hz (adjustable) Input Power Factor ≥ 0.99 Input Total Harmonic Distortion ≤ 3% linear load ≤ 8% non-linear load Output Output Type L+N+PE Output Voltage 100/110/115/120/127VAC Output Accuracy ±1% Output Frequency Online mode: follows mains frequency, Battery mode: 50/60Hz±0.1% Output Harmonic Distortion ≤ 2% linear load ≤ 5% non-linear load (PF=0.8) Output Power Factor 1 Overload Capacity 110min@100%~110%Load 1min@110%~130%Load 10s@130%~150%Load 3s@150%~150%Load
200ms@>150% LoadSwitching Time Mains to Battery 0ms Inverter to Bypass 4ms Mains Priority Mode Supported Overall Efficiency Mains Mode (Full Load) 93.5%@110VAC 95%@110VAC 94%@110VAC Battery Mode (Long Runtime, Full Load) 88.5%@36VDC 91.5%@72VDC 91.5%@96VDC Battery Mode (Standard Runtime, Full Load) 89.5%@24VDC 92.5%@48VDC 92.5%@72VDC Battery Battery Type Lead-acid battery Number of Battery Cells 7Ah*2/7Ah*3 3 7Ah*4/7Ah*6 6 7Ah*6/7Ah*8 8 Charging Current External internal battery pack 11KKS-3-3KK:1SA:5（A（default））1-21A-1（2A adjustable） Charging Mode Two-stage / Three-stage charging Display LCD interface 2×8PIN/Pitch2.54mm, supporting 128-segment code display/input/output, up to 4 buttons + 4 LEDs Interface Miniature RS-232 Supports Windwos 2000/2003/XP/Vista/2008/7/Linux/Unix and MAC USB Windows & MAC Slot (optional) SNMP/AS400 Relay Card/RS485 EPO (optional) Supports emergency shutdown Ambient Temperature Operating Ambient Temperature 0~40℃ Relative Humidity 20%~95% (non-condensing) Storage Temperature -15~60℃ (Battery: 0~40℃) Altitude Altitude should not exceed 1000m, derating above 1000m, maximum 4000m, refer to IEC62040 Noise ≤ 45db Physical Properties Dimensions (D*W*H) (mm) 395*143*222 455*190*330 455*190*330 Net Weight (kg) 9.5 5.5 19/23 10 27/31 10
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