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  • Free transportation to the installation site
  • Free initial installation and setup
  • 2-year official warranty and 10 years of after-sales service
HGRM online single phase to single phase transformer-less UPS

The HGRM UPS series, available in power ratings from 1 to 3 kVA, is an Online Double Conversion uninterruptible power supply designed to protect sensitive IT equipment, network racks, servers, telecommunication systems and other critical loads. Its Rack/Tower convertible design provides excellent installation flexibility, allowing the UPS to be deployed either as a standalone tower unit or within a standard rack cabinet. Advanced DSP-based digital control ensures stable operation and high-quality output power under various utility conditions. The wide input voltage range reduces unnecessary battery operation and helps extend battery life. The LCD display provides real-time information including input and output status, load level, battery capacity and system alarms. Internal batteries provide reliable backup time for critical applications, while the intelligent charger optimizes battery performance and service life. Equipped with USB and RS232 communication interfaces as well as an intelligent communication slot, HGRM enables comprehensive monitoring and remote management capabilities, making it an ideal solution for small server rooms and IT infrastructures.

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Topology
Online Double Conversion
Power Range
1 - 3 kVA
Input / Output
1P : 1P (in:out)
Output Power Factor
P.F. = 0.9
Features:

Rack/Tower convertible design

Online Double Conversion topology

Advanced DSP-based control

Wide input voltage range

LCD display

Intelligent communication slot

Whats in the packing:
user manual iconUser Manual
usb cableUSB Cable
rs232 serial cableRS232 Serial Cable
rack mount kitRackmount Kit

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UPS/Model
Select Model
UPS/Input
Nominal Voltage
200/208/220/230/240 Vac (single phase + N)
Voltage Range
110 to 300 Vac @ max 50% load (single phase), 176 to 300 Vac @ max 100% load (single phase); (tolerance ±5%)
Frequency Range
rated: 50 or 60 Hz (automatic select), range: 40 to 70 Hz
Power Factor
0.99 at 100% load (nominal input voltage)
Inlet Type
- select a model from top -
UPS/Bypass
Voltage Range
176 to 264 Vac (can be set via lcd display)
Frequency Range
Derate to 75% of capacity when the Input voltage frequency out of range(50 or 60 Hz ±4 Hz)
UPS/Output
Power
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Nominal Voltage
200/208/220/230/240 Vac (single phase + N)
Voltage Variation
static variation ±1%
Frequency Range
50 or 60 Hz (tolerance ±0.1٪)
Power Factor
1
Voltage Distortion (THDv)
≤ 1% with resistive linear load, ≤ 5% with non-linear load
Outlet Type
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Wave form
pure sinewave
Efficiency
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UPS/Battery
Battery Type
only external battery connect via anderson socket
Qty × Voltage
- select a model from top -
UPS/Protections
Overload
AC mode: 105% < load ≤ 125% for 1 min then transfer to bypass, 125% < load ≤ 130% for 30 sec then transfer to bypass, over 130% transfer to bypass immediately Battery mode: 105% < load ≤ 125% for 1 min, 125% < load ≤ 130% for 10 sec, over 130% shut down immediately
Protections
over-current, short-circuit, over-voltage, under-voltage, over-temperature, excessive low battery
Alarms
line failure, battery low, over-load, fault conditions
UPS/Physical
Dimensions (W × D × H)
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Weight
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UPS/Environment
Working Temperature
ambient: min 0 °C, max 40 °C, recommended for battery life: 20 to 25 °C
Working Humidity
max 95% non-condensing
Noise Level
max 55 dBA @ 1 m
UPS/Others
Communications
USB type B, RS232, slot for communications interface
Standards
Safety: IEC/EN 62040-1, IEC/EN 62477-1 EMC: IEC/EN 62040-2, IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6, IEC 61000-4-8
Other Specifications
Transfer time: zero (ac <-> batt), 4 ms typical (inv <-> byp)

What applications is the HGRM UPS suitable for?
This UPS is designed for network racks, server rooms, IT equipment, telecommunication systems and other critical loads. Its Rack/Tower design provides excellent installation flexibility for a wide range of applications.
What information is displayed on the LCD screen?
The LCD display provides information including input and output status, load level, battery capacity, operating conditions and system alarms, allowing users to monitor the UPS in real time.
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