What are the primary power capacity ratings and conversion efficiencies of the East EA900RT 1kVA-10kVA?

The East EA900RT family spans 1kVA, 2kVA, 3kVA, 6kVA, and 10kVA with an output power factor of 0.9 to 1.0 (kVA=kW on select models). Utilizing high-frequency IGBT PWM and double-conversion topology, it achieves over 95% AC-to-AC conversion efficiency in online mode and exceeds 98% in ECO operating mode, minimizing heat dissipation and HVAC energy expenditure in server rooms.

What are the architectural form factor and thermal cooling characteristics of this rackmount UPS?

The chassis utilizes a modular 2U/3U convertible rack/tower design, equipped with rack rails and stabilizing tower pedestals, alongside a 90-degree rotatable LCD display. Thermal dynamics rely on front-to-back straight-through isolated airflow ducts paired with MCU-governed variable-speed DC cooling fans, which automatically balance acoustic noise and heat mitigation based on inverter load percentage and internal junction temperatures.

How does the East EA900RT handle severe grid fluctuations, lightning surges, and transient overloads?

Engineered with a 110V AC to 300V AC ultra-wide input window, the UPS maintains true online sine-wave output during extreme voltage swings without exhausting battery reserves. The AC input integrates multi-stage MOV surge suppressors and EMI filters compliant with IEC 61000-4-5. The inverter delivers robust overload tolerance (105%-125% for 1 minute, 125%-150% for 30 seconds) accompanied by a sub-millisecond static bypass transfer.

HEFENGQIModel: East EA900RT 1kVA-10kVA Rackmount UPS

East EA900RT 1kVA-10kVA Rack/Tower Dual Conversion Online High-Frequency UPS (2U/3U)

The East EA900RT is an enterprise-grade 1kVA-10kVA double-conversion online high-frequency UPS featuring a convertible 2U/3U rackmount and tower form factor, engineered to deliver pure sine wave output and zero-transfer-time AC power backup across an ultra-wide input voltage envelope for mission-critical telecom and industrial IT networks.

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Rated Output Power: 1kVA ~ 10kVA (Output Power Factor 0.9 / 1.0)
UPS Topology Type: Double-Conversion Online High-Frequency Pure Sine Wave Output
Physical Form Factor: Convertible Rack/Tower Mounting Design (2U/3U Height)
AC Input Voltage Range: 110V AC ~ 300V AC (Ultra-Wide Single-Phase Grid Tolerance)
System Comprehensive Efficiency: ≥ 95% (Up to 98% in ECO Energy-Saving Mode)
Battery Connection Mode: Supports Internal High-Rate Batteries or External Battery Enclosures

What this product is

What problem it solves

The East EA900RT series combines advanced DSP digital control architecture with high-frequency IGBT conversion to deliver 1kVA to 10kVA capacity with a high output power factor (0.9/1.0). Engineered for physical versatility, the 2U/3U convertible chassis adapts seamlessly to standard 19-inch IT enclosures or vertical floor mounts with a rotatable multi-functional LCD interface. The true online double-conversion topology completely isolates critical loads from grid surges, sag, frequency drift, and harmonic distortion, achieving up to 95% full-load efficiency and 98% in ECO mode. Internal intelligent fan speed control optimizes directed airflow across magnetic components, mitigating thermal throttling while extending MTBF. Accommodating both internal valve-regulated battery packs and modular external battery banks (EBM), the unit delivers ruggedized continuous power for edge computing, transmission hubs, and automated plant backbones.

Who and where it is for

Core advantages

True online double-conversion design with zero AC transfer latency
Ultra-wide 110V-300V input window minimizes unnecessary battery cycling
Convertible 2U/3U rack/tower design with 90-degree rotatable LCD panel
High operating efficiency up to 95%, exceeding 98% in ECO power mode
Advanced three-stage battery charging logic maximizes cell service life
Native USB/RS232 with optional SNMP slot for remote telemetries

Technical specifications

Key specifications	Value
Rated Output Power	1kVA ~ 10kVA (Output Power Factor 0.9 / 1.0)
UPS Topology Type	Double-Conversion Online High-Frequency Pure Sine Wave Output
Physical Form Factor	Convertible Rack/Tower Mounting Design (2U/3U Height)
AC Input Voltage Range	110V AC ~ 300V AC (Ultra-Wide Single-Phase Grid Tolerance)
System Comprehensive Efficiency	≥ 95% (Up to 98% in ECO Energy-Saving Mode)
Battery Connection Mode	Supports Internal High-Rate Batteries or External Battery Enclosures
Communication Interfaces	USB + RS232 + Intelligent Communication Slot (SNMP Optional)
Operating Temperature	0°C to +40°C

Applications

Enterprise IT micro data centers and decentralized edge computing racks

Telecommunication distributed base transceiver stations and OLT hubs

Railway signaling, communications dispatching, and ticketing systems

Industrial automation PLC panels, DCS cabinets, and SCADA units

Frequently asked questions

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HEFENGQIModel: East EA890 10kVA-120kVA Industrial UPS

East EA890 10kVA-120kVA 3-Phase Industrial Low-Frequency Online UPS

The East EA890 series is a 10kVA to 120kVA 3-phase in/out heavy-duty low-frequency online double-conversion UPS, engineered with a built-in output galvanic isol

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