LF Series

LF Series Lithium Rack UPS1KVA – 3KVA

2U rack-mounted UPS with LiFePO4 batteries, pure sine wave output and an output power factor of 1.0.

LiFePO4 Batteries
Pure Sine Wave
Power Factor 1.0
2U Rack Design
LF Series lithium rack UPS

Key Features

LiFePO4 Batteries

Lithium iron phosphate battery configurations.

Power Factor 1.0

Rated output power of 1kW, 2kW or 3kW.

2U Rack Design

Rack-mounted chassis measuring 380 × 438 × 88 mm.

LCD Display

Multifunction LCD status display and control panel.

Adjustable Charging

1–8A for standard UPS; 1–12A for external battery UPS.

Communication Options

RS232 and USB standard; AS400, RS485 and SNMP optional.

Product Overview

The LF Series includes 1kVA, 2kVA and 3kVA lithium rack UPS models, with standard and external battery configurations. All models use LiFePO4 battery technology and a 2U rack chassis.

Standard models have a specified battery capacity of 960Wh. The 1kVA model offers 24V, 36V or 48V battery options. Compare the model-specific battery and physical specifications below.

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User Manual

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Technical Specifications

Compare all LF Series models at a glance.

Standard UPS

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LF Series — Standard UPS
ParameterLF1KRLF2KRLF3KR
General
Rated capacity / power 1KVA/1KW 2KVA/2KW 3KVA/3KW
Installation Rack-mount
Input
Nominal input voltage 100/110/115/120/127VAC or 200/208/220/230/240VAC
Input frequency 44–56 Hz or 54–66 Hz (default)
Input power factor ≥0.999
Wiring L+N+PE
Input voltage range (200–240V models) 110–300 VAC; power derating at 110–176 VAC and 280–300 VAC
Output
Output voltage 100/110/115/120/127VAC or 200/208/220/230/240VAC
Voltage regulation (battery mode) ±1%
Frequency synchronization range 44–56 Hz or 54–66 Hz (default)
Output power factor 1.0
Harmonic distortion ≤3% THD (linear load); ≤6% THD (nonlinear load)
Transfer time 0
Waveform Pure sine wave
Overload capacity (line mode) 30 min at 102–110%; 10 min at 110–130%; 30 s at 130–150%; 200 ms at >150%
Overload capacity (battery mode) 1 min at 102–110%; 10 s at 110–130%; 3 s at 130–150%; 200 ms at >150%
Battery
Battery type LiFePO4 (lithium iron phosphate)
Charging current 1–8 A (adjustable)
Battery voltage 24 / 36 / 48VDC 48VDC
Battery capacity 960 Wh
Efficiency
Mains power mode 94.5% 95.5%
Battery mode 87.5% 89.5% 91.5%
Communication
Control panel Multifunction LCD status display and control panel
Standard interfaces RS232 / USB
Optional interfaces AS400 / RS485 / SNMP
Environment
Operating humidity 20–95% RH (non-condensing)
Noise at full load (1 m) <50 dBA at 1 m
Operating temperature −25–55°C
Physical
Dimensions (L × W × H) 380 × 438 × 88 mm (2U)
Net weight 11.2 kg 14.2 kg 14.5 kg

External Battery UPS

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LF Series — External Battery UPS
ParameterLF1KRSLF2KRSLF3KRS
General
Rated capacity / power 1KVA/1KW 2KVA/2KW 3KVA/3KW
Installation Rack-mount
Input
Nominal input voltage 100/110/115/120/127VAC or 200/208/220/230/240VAC
Input frequency 44–56 Hz or 54–66 Hz (default)
Input power factor ≥0.999
Wiring L+N+PE
Input voltage range (200–240V models) 110–300 VAC; power derating at 110–176 VAC and 280–300 VAC
Output
Output voltage 100/110/115/120/127VAC or 200/208/220/230/240VAC
Voltage regulation (battery mode) ±1%
Frequency synchronization range 44–56 Hz or 54–66 Hz (default)
Output power factor 1.0
Harmonic distortion ≤3% THD (linear load); ≤6% THD (nonlinear load)
Transfer time 0
Waveform Pure sine wave
Overload capacity (line mode) 30 min at 102–110%; 10 min at 110–130%; 30 s at 130–150%; 200 ms at >150%
Overload capacity (battery mode) 1 min at 102–110%; 10 s at 110–130%; 3 s at 130–150%; 200 ms at >150%
Battery
Battery type LiFePO4 (lithium iron phosphate)
Charging current 1–12 A (adjustable)
Battery voltage 24 / 36 / 48VDC 48 / 72VDC 48 / 72 / 96VDC
Efficiency
Mains power mode 94.5% 95.5%
Battery mode 87.5% 89.5% 91.5%
Communication
Control panel Multifunction LCD status display and control panel
Standard interfaces RS232 / USB
Optional interfaces AS400 / RS485 / SNMP
Environment
Operating humidity 20–95% RH (non-condensing)
Noise at full load (1 m) <50 dBA at 1 m
Operating temperature −25–55°C
Physical
Dimensions (L × W × H) 380 × 438 × 88 mm (2U)
Net weight 5.6 kg 8.6 kg 8.9 kg

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