Offline UPS Standby UPS 500VA to 3000VA

An Offline UPS, also known as a Standby UPS, is designed for basic power protection. It features a standby mode where it operates passively, allowing the power to flow directly from the utility to the connected devices. In the event of a power outage or disturbance, the UPS switches to battery mode, providing immediate backup power. This switchover is not instantaneous, resulting in a brief transfer time. Offline UPS systems are suitable for less critical applications, offering cost-effective power protection for home or small office electronics. They are compact, easy to install, and provide basic protection against power interruptions.

Features

  1. Auto Re-starts When AC Recovers:
    • Automatically restarts operations when the AC power is restored, ensuring seamless transitions and continuous power supply.
  2. Silence Setup:
    • Designed with a quiet operation mode to minimize noise, making it suitable for environments where noise is a concern, such as offices or homes.
  3. Automatic Charging (Offline Charging):
    • Features automatic charging functionality to ensure the UPS batteries are consistently charged when AC power is available, maintaining optimal battery performance.
  4. Battery Low Voltage Protection:
    • Incorporates protection mechanisms to prevent the batteries from reaching critically low voltage levels, extending battery life and ensuring reliable backup power.
  5. Overload & Short Circuit Protection:
    • Equipped with safeguards against overloads and short circuits, protecting connected devices and the UPS itself from potential damage due to excessive power demands or electrical faults.
  6. CPU Controlled:
    • Utilizes a Central Processing Unit (CPU) for intelligent and efficient control, allowing for effective management of power distribution and system monitoring.
  7. Optional RJ45/RJ11 & USB Port:
    • Provides flexibility with optional RJ45/RJ11 ports for data line protection, ensuring connected network or telephone equipment remains secure.
    • Includes a USB port for enhanced connectivity, allowing for communication with computers and facilitating monitoring and management.
  8. Wide Input Voltage Range:
    • Supports a wide input voltage range, allowing the UPS to operate effectively in various power supply conditions, accommodating fluctuations without constantly relying on the battery.

Applications

  1. Home Offices:
    • Well-suited for home offices, providing reliable backup power for computers and sensitive electronic equipment during power outages.
  2. Small Businesses:
    • Ideal for small businesses where the need for continuous power is not as critical, offering a cost-effective solution for basic power protection.
  3. Personal Computers:
    • Commonly used to protect personal computers, ensuring data integrity and preventing system shutdowns due to power interruptions.
  4. Network Devices:
    • Useful for safeguarding network devices, such as routers and modems, with optional ports for data line protection.
  5. Point-of-Sale (POS) Systems:
    • Deployed in retail environments to protect POS systems, ensuring uninterrupted transactions and preventing data loss.
  6. Telecommunication Equipment:
    • Appropriate for providing backup power to telecommunication equipment, ensuring continuous connectivity and preventing service disruptions.
  7. Residential Use:
    • Suitable for residential applications, offering basic power protection for essential electronics, home entertainment systems, and other devices.
  8. Remote Workstations:
    • Convenient for remote workstations or locations where a compact and cost-effective power backup solution is required.

In summary, the Offline UPS, or Standby UPS, is characterized by its simplicity, cost-effectiveness, and suitability for less critical applications. It is well-suited for environments where occasional power interruptions occur, and uninterrupted power supply is not the primary concern.

Specifications

MODEL LK-500 LK-650 LK-800 LK-1000 LK-1500 LK-2000 LK-2000B LK-3000
CAPACITY 500VA/300W 650V/390W 800VA/480W 1000VA/600W 1500VA/900W 2000VA/1200W 2000VA/1200W 3000VA/1800W
INPUT
Voltage 110/120 VAC or 220/230/240 VAC
Voltage Range 81-145 VAC or 145-275 VAC
Frequency Range 60/50 Hz (Auto Sensing)
OUTPUT
Output Voltage 110/120 VAC or 220/230/240 VAC
AC Voltage Regulation (Batt. Mode) ±10%
Frequency Range (Batt. Mode) 50 Hz or 60 Hz ± 1 Hz
Transfer Time 6-10 ms
Waveform (Batt. Mode) Simulated Sinewave
BATTERY
Battery Type & Number 12V/7Ah x 1 12V/7Ah x 1 12V/9Ah x 1 12V/7.5Ah x 2 12V/9Ah x 2 12V/9Ah x 2 12V/7Ah x 4 12V/9Ah x 4
Typical Recharge Time 8 hours recover to 90% capacity
PROTECTION
Full Protection Short circuit, overload, battery low voltage protection and shutdown charging function
INDICATORS
LCD Display Input Voltage, Output Voltage, Load Level, Battery Capacity, UPS Fault, Overload
LED Display AC Normal Indicator, Backup Indicator, Battery Capacity (Load Level)
ALARM
Battery Mode Sounding every 4 seconds
Low Battery Sounding every second
Overload Sounding every 0.5 seconds
Battery Replacement Alarm Continuously sounding
PHYSICAL
Dimension, DxWxH (mm) 307 x 90 x 137 330 x 120 x 190 330 x 120 x 190 330 x 120 x 190 330 x 120 x 190 330 x 120 x 190 390 x 140 x 210 390 x 140 x 210
Net Weight (kgs) 4 4.5 6 9 11 12 17 20
ENVIRONMENT
Humidity 0-90 % RH @ 0-40℃ (Non-condensing)
Noise Level Less than 40dB
MANAGEMENT
Optional USB/RS-232 Port Supports Windows®2000/2003/XP/Vista/2008,Windows®7/8/10,Linux and MAC
Other Interfaces RJ45/11
* Product specifications are subject to change without further notice.