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UH52SA1M

The Emerson UH52SA1M is a 5.2 kVA (or 5 kVA, depending on source) online double-conversion uninterruptible power supply from the UH series, designed for mission-critical applications such as data centers, telecommunications systems, and industrial environments.

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Key Specifications Parameter Value Model UH52SA1M UPS Type Online / Double-conversion Capacity 5.2 kVA (some sources indicate 5 kVA / 4.5 kW) Input Input Voltage Range 120 - 276 VAC (or 176 - 276 VAC full performance) Input Frequency Range 45 - 65 Hz Input Power Factor >0.98 Rated Input Voltage 220/230/240 VAC (Single phase) Output Output Voltage Regulation ±1% (Static load) / ±3% (Dynamic load) Output Frequency 50/60 Hz ±0.1% (Battery mode) Output Waveform Pure Sine wave Transfer Time 0 ms (Online mode) Crest Factor 3:1 Battery Battery Type Internal maintenance-free sealed lead-acid Battery Voltage 120 VDC (10 x 12V batteries in series) Recharge Time <4 hours to 90% capacity System Efficiency (AC mode) Up to 88% Noise Level <50 dBA Physical Form Factor Tower (with optional rack-mount kit available) Dimensions (W x D x H) 190 x 460 x 340 mm (7.5 x 18.1 x 13.4 in) Net Weight Approx. 45 kg (99 lbs) Environment Operating Temperature 0°C to +40°C (32°F to 104°F) Storage Temperature -25°C to +55°C (-13°F to 131°F) Operating Humidity 0% to 95% (non-condensing) Management & Communication Interface Ports RS-232, USB, Dry contacts Smart Slot 1 slot for optional SNMP card Display Multi-function LCD with status indicators Features Intelligent battery management, cold start capable, generator compatible, parallel capability (up to 3 units)