3P/1P Low Frequency Online UPS 10KVA to 40KVA

A 3/1 low-frequency online UPS, featuring three-phase input and single-phase output, delivers stable power for critical applications. With robust reliability, seamless battery transition during outages, and advanced features like voltage regulation, it safeguards sensitive equipment. Ideal for industrial use, it provides continuous, clean power, and remote monitoring for efficient management. The UPS ensures uninterrupted power, making it a reliable solution for diverse industries.

Features

  1. Double Conversion with DSP Control:
    • Utilizes double conversion technology, ensuring a consistent and clean power supply. The Digital Signal Processor (DSP) control enhances precision and efficiency in managing power.
  2. Robust Electrical Performance:
    • Designed to withstand electrical stress from both top and bottom connections, providing robust performance and preventing damage during power fluctuations.
  3. Screwless Cabinet Design and Fully Coated PCBAs:
    • Incorporates a screwless cabinet design for ease of maintenance and a longer lifespan. PCBAs (Printed Circuit Board Assemblies) are fully coated to protect against environmental challenges, enhancing durability.
  4. Unique Ventilation Design:
    • Features a unique ventilation design to facilitate effective heat dissipation, ensuring optimal operating temperatures for components and overall system reliability.
  5. Flexible Battery Configuration:
    • Adaptable battery configuration to meet the diverse power backup requirements of different applications, providing flexibility and scalability.
  6. Accepts Dual-Mains Inputs:
    • Supports dual-mains inputs, offering redundancy and the ability to seamlessly switch between power sources for enhanced reliability.
  7. Front Access for Easy Maintenance:
    • Front access design simplifies maintenance and replacement procedures, reducing downtime and improving overall system accessibility.
  8. High Short-Circuit and Overload Capabilities:
    • Engineered with high short-circuit and overload capabilities to ensure robust protection for connected equipment during electrical faults.
  9. Easy Integration into Existing Electrical Networks or Generators:
    • Designed for seamless integration into existing electrical networks or generator systems, making it versatile and compatible with various power infrastructures.
  10. Parallel Capability Up to 4 Units:
    • Supports parallel operation with up to four units, enabling scalability and increased power capacity to meet growing demands.

Applications

  1. Critical Data Centers:
    • Ideal for data centers where continuous and high-quality power is essential for the uninterrupted operation of servers and networking equipment.
  2. Industrial Manufacturing:
    • Suited for industrial settings with heavy machinery and critical manufacturing processes, providing reliable power to prevent production interruptions.
  3. Telecommunication Facilities:
    • Critical for telecommunication facilities, ensuring uninterrupted power supply for communication equipment and network infrastructure.
  4. Healthcare Environments:
    • Appropriate for healthcare facilities, supporting medical equipment and life-saving systems that require a stable power source.
  5. Commercial Buildings:
    • Used in large commercial buildings to safeguard sensitive electronics, providing clean power for various systems such as HVAC, lighting, and security.
  6. Emergency Power Backup:
    • Valuable for emergency power backup in critical applications where downtime is not an option, such as financial institutions or control centers.
  7. Integration with Renewable Energy Sources:
    • Easily integrates into electrical systems with renewable energy sources, enhancing the overall sustainability and reliability of the power infrastructure.
  8. Facilities with Harsh Environmental Conditions:
    • Suited for facilities with harsh environmental conditions due to the screwless cabinet design and fully coated PCBAs, ensuring longevity in challenging surroundings.

In summary, the 3-phase in, 1-phase out low-frequency online UPS with the mentioned features is a versatile and robust solution applicable to a wide range of critical environments, providing reliable power and advanced features for enhanced performance and protection.

Specifications

MODEL LK-3C-10KL LK-3C-15KL LK-3C-20KL LK-3C-30KL LK-3C-40KL
PHASE 3 phase in / 1 phase out
CAPACITY* 10KVA / 8KW 15KVA / 12KW 20KVA / 16KW 30KVA / 24KW 40KVA / 32KW
INPUT
Nominal Voltage 3 x 380VAC/400VAC/415VAC (3Ph + N  or 3Ph + N + G)
Acceptable Voltage Range 165-280 VAC / 285-485VAC
Frequency 50/60 Hz (±10%)
OUTPUT
Nominal Voltage 220VAC/230VAC/240VAC (Selectable)
Connection Type Hardwire 3-wire (1Ph+N+G)
Waveform Pure Sinewave
Output Voltage Stability Steady State ±1%
Transient State ±5%
Frequency 50 Hz/60 Hz
Frequency Stability ±1%
Frequency Synchronisation Range ± 5Hz (Equal to bypass working range)
Frequency Synchronisation Speed 1~2Hz/s
Power Factor 0.8
Crest Factor 3:1(max.)
Total Harmonic Distortion (THDv) ≦2%THD (Linear Load); ≦5%THD (Non-linear Load)
Dynamic in-rush Voltage Range 0%->100%->0% (R Load) <±5% : 20%->100%->20% (R Load) ±3%
Dynamic Recovery Time (III Grade) 0%~100% RCD load : <60 ms recover to 90% of nominal voltage
Phase Displacement 120°±1% (balanced load), 120°±2% (imbalances 50% of the load)
Transfer Time 0 ms
Overload Capability 0% ~ 110% continuous running; 110% ~ 150% for 10 min~1 min; >160% for 200ms
Short-circuit Capability 60~100 ms
Transient Response Time < 5 ms
BYPASS
Connection Type Hardwire 3-wire (1Ph+N+G)
Input Voltage Range 220VAC ± 25%
Overload Capability 1.5 In ~ 1.8 In 1h~30s
Short-circuit Capability 1.8 In ~ > 2.0 In 30s~200ms
SYSTEM
Efficiency (At Linear Load and 270VDC) ≧88% ≧90%
ECO Mode (Non-parallel models) Yes
EPO Function Yes
Standard IEC 61000-4-5 Protection surge, IEC 62040-2 EMC/EMI, IEC62040-1 Safety
BATTERY & CHARGER
Rectifier Type 6 pulse
Rated Output Voltage 384 VDC
Charger Voltage 290VDC~435VDC (Adjustable)
Charging Current(max) Default: 10A, current depends on load level Default: 10A, Max: 40A
Battery Type Support VRLA Battery
Numbers 32 pcs (29~32 pcs adjustable)
Reverse Diode Yes
Cold Start Yes
PHYSICAL
IP Protection IP21
Dimension,DxWxH(mm) 580 x 230 x 585 715 x 355 x 710 760 x 420 x 960 760 x 420 x 960 835 x 450 x 1080
Net Weight(kgs) 73.5 103.5 164 180 262.5
ENVIRONMENT
Operating Temperature 0~55°C continuous running
Humidity 0~99%  (non-condensing)
Noise Level Less than 70dB @1 Meter
MANAGEMENT
Modbus RS-232/RS485 Supports Windows® 2000/2003/XP/Vista/2008/7/8/10, Linux and MAC
Dry Contacts 6 outputs and 2 inputs
Optional SNMP Power management from SNMP manager and web browser
*Product specifications are subject to change without further notice.