• Model: EH55-H1KRS

• Rated Capacity: 1KVA / 1KW

INPUT

• Input connection type: L+N+PE

• Rated input voltage: 208 / 220 / 230 / 240 VAC

• Voltage range: 110–300 VAC

• Frequency range: 50/60 Hz (default), ±10 Hz (settable)

• Input power factor: ≥ 0.99

• Input THD: ≤ 4% (linear load)

OUTPUT

• Output connection type: L+N+PE

• Output voltage: 208 / 220 / 230 / 240 VAC

• Output accuracy: ±1%

• Output frequency: mains mode — same as AC; battery mode — 50/60Hz ±0.1%

• Output THD: ≤2% (linear load); ≤4% (non-linear load, PF=0.7)

• Output power factor: 1.0

OVERLOAD CAPACITY

• AC mode: 30min @ 102–110% ; 10min @ 110–130% ; 30s @ 130–150% ; 200ms @ >150%

• Battery mode: 10min @ 102–110% ; 1min @ 110–130% ; 10s @ 130–150% ; 200ms @ >150%

TRANSFER TIME

• AC → battery: 0 ms

• Inverter → bypass: 4 ms

• AC priority mode: Supported

EFFICIENCY

• AC Mode (Full Load): 95.5% @ 220VAC

• Battery Mode (Full Load): 91.5% @ Rated Battery Voltage

BATTERY

• Battery type: Lead Acid Battery

• Rated battery voltage: 36VDC

• Battery spec: 3 × 12V / (36VDC)

• Number of internal batteries: 3

• Charging current: 1A (default), adjustable 1–2A

• Charging mode: Two-stage / Three-stage charging

DISPLAY & INTERFACE

• LCD: 2×8 PIN / Pitch 2.54mm; supports 128-segment code; up to 4 buttons + 4 LEDs (mode/load/input/output)

• RS-232: Supported (Windows / Linux / Unix / Mac)

• USB: Windows Family & Mac

• Intelligent slot (optional): SNMP / AS400 relay card / RS485

• EPO: Optional support

ENVIRONMENTAL

• Operating temp: 0 ~ 40°C

• Operating humidity: 20% ~ 95% (no condensation)

• Storage temp: -15 ~ 60°C (battery: 0 ~ 40°C)

• Altitude: ≤1000m (derating above 1000m; up to 4000m per IEC62040)

• Noise: ≤45 dB

MECHANICAL

• Machine dimensions (W×H×D): 438 × 88 × 504 mm

• Package dimensions (W×H×D): 635 × 193 × 560 mm

• Net weight: 20.5 kg

• Gross weight: 22 kg

WARRANTY

• Standard warranty: 1 year