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KELONG UPS power guard series
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Your Current Location:Home > Products > KELONG UPS power KR series > KELONG KR series high frequency
Product Name:KELONG KR series high frequency
Product Detailed:
KELONG UPS power KR series high frequency three in one out product introduction:

High reliability of digital control

Adopt full digital DSP control technology, which has high control precision and fast running speed, and improves reliability and stability.

Perfect network monitoring scheme to realize intelligent and simplified management of UPS operation and maintenance。

Safe operation of multilevel protection

• input overvoltage, input under voltage, overload, short circuit, lack of equal alarm and protection function, strong adaptability, high load resistance.

Ultra wide input voltage range to meet the harsh grid environment.

Intelligent battery management to improve performance

MMBM battery management, effectively extend battery life and reduce battery maintenance.

Advanced charging methods such as constant voltage charging, constant current charging, two stage charging, etc.

Effective improvement of battery charging efficiency

Energy saving, high efficiency green environmental protection

The characteristics of EMC compatible with GB7260.2

Input power factor > 0.95, high utilization ratio of electric energy and small load of power network.

Saving power distribution cost, high utilization rate of environment and reducing investment cost。

Features of KR series high frequency three in single out UPS products

The intelligent and high frequency online KR series, using the full digital control technology and the latest high frequency power conversion technology, has the characteristics of small volume, light weight, low calorific value and so on. It integrates multi functions such as AC voltage regulator, backup power supply, peak surge absorption and so on to meet the power protection of bad grid environment.

KELONG UPS power KR series high frequency three input and single output technical parameters:

Model index









Input voltage range (Vac)


Bypass input range (Vac)


Phase system

3 [1] 4W+PE

power factor

More than 0.95

Frequency range (Hz)

45-55 (synchronization)


Out of



Output power (kVA/kW)




Output voltage waveform

Pure sine wave

Output voltage (Vac)

220 + 1%

Waveform distortion

THD <3% (linear load)

Output frequency (Hz)

50 + 0。05 (battery mode)

Conversion time (MS)


Efficiency of the whole machine


Overload capacity (city power mode)

105% to 125%: 10 min after bypass; 125% to 150%: 1 min after bypass, > 150%:1S bypass.

Peak factor






DC start


Battery voltage (VDC)

One hundred and ninety-two

Two hundred and forty

Reserve time

Can be extended arbitrarily

Recharge recovery time

Determined by the expanded battery capacity

Panel display

Load capacity, battery capacity, power mode, battery mode, bypass mode, fault

Communication function

Standard RS232 interface to support power monitoring software

Parallel machine function

The machine model is equipped with

SNMP adapters (optional)

Network monitoring can be done by SNMP adapters

Protection function

Input overvoltage, input under voltage, battery under voltage, overload, fault, short circuit protection.

Alarm function

Buzzer alarm when battery low voltage, abnormal power supply, UPS overload and failure。

Noise (dB)


Size (wide x deep x high) (mm)

255 x 565 x 700

255 x 565 x 500

255 x 740 x 790

Weight (kg)




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