NCTS QSTROM L 2000VA 1200W Line-Interactive UPS, Simulated Sinewave, 2×12V 9Ah Batteries, AVR, 2–6ms Transfer, Off-Mode Charging & Generator Compatible 

NCTS QSTROM L 2000VA 1200W Line-Interactive UPS, Simulated Sinewave, 2×12V 9Ah Batteries, AVR, 2–6ms Transfer, Off-Mode Charging & Generator Compatible 

69 $

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Expert Features

  • 2000VA Line-Interactive Protection : Built for personal-computer setups, this UPS uses a line-interactive architecture to keep connected equipment running through short power interruptions and unstable mains conditions.
  • Two-Boost + One-Buck AVR : Automatic Voltage Regulation stabilizes a wide incoming-voltage range without immediately consuming battery power, using two boost stages and one buck stage.
  • 2–6ms Typical Transfer Time : Fast switchover helps keep PC equipment powered when mains electricity suddenly disappears.
  • Dual 12V 9Ah Batteries : The internal battery system uses 2 × 12V/9Ah batteries for a combined 24V DC battery system.
  • Microprocessor-Controlled Reliability : Built-in microprocessor control with internal self-diagnostic technology manages the UPS operation and protection functions.
  • Off-Mode Charging + Intelligent Recharge : The UPS supports battery charging while switched off and includes a fast intelligent battery-recharge function.
  • Generator Compatible : Designed to operate with compatible generator-fed environments, useful where grid interruptions are common.
  • DC Start Function : The unit can be started without an active AC supply, according to NCTS’ product introduction.

Expert Specs

Specification Details
Brand NCTS
Series QSTROM L
Model QSTROM L 2000VA
Product Type Line-Interactive UPS
Capacity 2000VA
GTIN 6295151551844
Primary Application Personal Computer
UPS Topology Line Interactive
Control System Microprocessor control with internal self-diagnostic technology
AVR Two boost + one buck Automatic Voltage Regulation
DC Start Supported
Off-Mode Charging Supported
Battery Recharge Feature Fast intelligent battery recharge
Generator Compatibility Supported
Input Voltage 220VAC
Additional Voltage Value Listed by Datasheet 220/230/240VAC — this value appears as an unlabeled row in the official technical table, so it should not be assigned to a specific parameter without further NCTS clarification.
Input Voltage Range 81–145VAC / 162–290VAC
Input Frequency Range 50/60Hz, auto sensing
AC Voltage Regulation — Battery Mode ±10%
Battery-Mode Frequency 50/60Hz ±1Hz
Transfer Time Typical 2–6ms
Battery-Mode Waveform Simulated sinewave
Battery System Voltage 24V DC
Battery Type / Quantity 12V / 9Ah × 2
Typical Recharge Time 6–8 hours to 90% after complete discharge
AC-Mode Indicator Left green LED plus 1st–4th green LEDs progressively illuminate to indicate load level
Battery-Mode Indicator Left green LED plus 1st–4th green LEDs progressively illuminate to indicate battery capacity
Backup-Mode Alarm Sounds every 10 seconds
Low-Battery Alarm Sounds every 1 second
Overload Alarm Sounds every 0.5 second
Fault Alarm Continuous sound
Protection Discharge, overcharge, and overload protection
Operating Temperature 0°C–40°C
Noise Level Less than 40dB
Dimensions 380 × 158 × 198 mm
Manufacturer Note Specifications are subject to change without prior notice
Engineering Note Listed values are typical reference values and are not intended as a basis for engineering design

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