KEHUA TECH KR-RM Tower Series Rack Owner’s Manual

KEHUA TECH KR-RM Tower Series Rack

Product Information

The KR-RM Rack/Tower Series is a true on-line double conversion design power supply. It is available in various models, including KR1000-RM, KR2000-RM, KR3000-RM, KR6000-RM, and KR10K-RM. This series is designed to provide reliable and efficient power for critical loads.

Key Features

• Green Power technology ensures up to 95% energy efficiency, reducing operational costs and promoting energy savings.
• Output power factor of 1.0 allows the connection of more powerful and demanding critical loads.
• High input power factor (>0.996) and low total harmonic distortion (THDi) for improved compatibility and reduced electrical noise.

Product Usage Instructions

Follow the steps below to correctly use the KR-RM Rack/Tower Series:

1. Choose the appropriate model based on your power requirements.
2. Ensure that the input power source meets the specified requirements mentioned in the user manual.
3. Connect the power supply to the input power source using the provided cables and connectors.
4. Connect your critical loads to the output ports of the power supply.
5. Ensure that all connections are secure and properly tightened.
6. Power on the KR-RM Rack/Tower Series by pressing the designated power button or following the instructions provided in the user manual.
7. Monitor the LED indicators on the power supply to ensure it is functioning correctly.
8. In case of any issues or abnormalities, refer to the troubleshooting section of the user manual or contact customer support for assistance.
   It is important to read and understand the complete user manual before using the KR-RM Rack/Tower Series to ensure safe and optimal operation.

PRODUCT FEATURES

• Green Power
  • AC/AC efficiency up to 95%, less operation cost and more energy saving
  • Output power factor 1.0, more powerful to connect more critical loads
  • Input PF >0.996 and THDi<5%, less power pollution and lower TCO
• Flexible Rear Panel Configuration
  • Dry contact and SNMP are optional
  • Selectable output sockets
  • External battery pack port available
  • Programmable power management outlet (optional)
• Hot-swappable Battery Design
  • External battery pack is optional
  • Easy for online battery replacement
• User-friendly and Easy-shift LCD Display
  The digital display can be easily shifted through LCD setting to suit for vertical/ horizontal installation

Technical Specification

MODEL     KR1000-RM| KR2000-RM| KR3000-RM| KR6000-RM| KR1110-RM
---|---|---|---|---
INPUT| 1|  Phase 3 Wire (L + N +| G)
Voltage (Vac)| 120-295| | 80275
Frequency (Hz)| 40| -70 (50/60Hz auto-sensi| ng)
Power Factor| | |
THDi| | <4 % (full linear load )|
OUTPUT| 1|  Phase 3 Wire (L + N +| G)
Capacity (VA/W)| 1000/1000| 2000/2000| 3000/3000| 6000/6000| 10000/10000
| 92.5%| 93.5%| 93.8%| 95.5%| 95.5 %
Power Factor| | 1.0|
Voltage (Vac)| 208/220/230 /| 240±1 % (selectable on| display panel )
Frequency (Hz)| | 50 /60±0.1 (battery mode| )
THDv| THD <2% (li near load ), THD < 3% (n| onlinear load)| THD <1% (l inear load ), THD < 4% (n onlinear load)
Waveform| | Sine wave|
**Overload***| PF0.9:101~105% loa d long run,106~110% lo load 1 min, 131 ~150% load 1s, above 1

PF1.0:101~105 % 1min,106~120% 5s, o

| ad 10 mins, 111~130% 50% load 200 ms ver 120% 200 ms| 101~105% Long ru n, 106~130% load for

10 mins, 131~150% 3 0 s, over 150% 500ms.

Transfer Time| | 0|
Current Crest Ratio| | 3:1|
Battery| Sealed, M| aintenance-free lead a c| id batteries
Voltage(Vdc)| 36| 48| 72| 192 -240
UPS Internal Battery (VRLA)| 3×7Ah/12V| 4×9Ah/12V| 6×9Ah/12V| 28×7Ah/12V| 28×9 Ah/12V
External Battery Module (EBM) Model| B2U-36-01-2B| B2U-48-02-2B| B2U-72-03-2B| B3U-192-20-2C| B3U-192-20-2C
EBM battery (VRLA)| 237AH / 12V| 249AH / 12V| 269AH / 12V| 287AH / 12V| 289 AH / 12V
Charging Current (A).| Default 1A, ( 2~8A when adding cha| rger module)| Default 1A, 1~8A settable
Other| |
Communication Interface| RS232+EPO (SNMP| , USB,RS485+Dry conta| ct are optional in slot)
Output Outlet| 2 × Universal socket| 2 × Universal sock| et + 1×IEC320 C19| Terminal + 2 ×IEC320 C13
Display| Blue|  screen LCD (Software r| otate)
Display Details| A C input & output voltage

AC mode, B

| , frequency, Load level, attery mode, Bypass mo| Battery level, Temperatur e; de, and Fault
Alarm| Battery mod e,|  Abnormal AC input, U| PS failure, etc.
Protection| Low battery, overl| oad, short-circuit and ov| er temperature, etc.
Noise (dB)| < 50| | <   55
Working Temperature*| -5~| 50°C (40~50°C auto der| ating)
Relative Humidity| 0|  ~ 95%, No condensatio| n
Altitude(m)| | 1000 , no derate.|
Regulatory Approvals| C| E, IEC62040-1, IEC6204| 0-2
UPS (W×D×H)(mm)|  438×420×87(2U)| 438×57| ×87(2U)| 438×660 ×174(4 U )
UPS Weight (kg)| 14| 20| 26| 55.6| 64
External Battery Module (W×D×H) ( mm )*| 438×420×87(2U)| 438×570×87 (2U)| 438×570×87 (2U)| 438×500×130 (3U)(167 /9AH )
Battery Cabinet  Weight (kg)**| 20| 29| 40| 45| 48

CONTACT

• 089-788-2735,
• 02-446-5656 ext. 3104

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