1000VA UPS Backup Power Supply, Single Phase 120V/240V

SKU: PH-UPS-1K

$668.26

● Online interactive uninterruptible power supply (UPS) for sale, 1kVA/800W capacity ● Provides a stable pure sine wave, 120V/240VAC input or output ● AC/battery mode selectable, can be used as a battery backup power supply ● Widely used for continuous power supply in office systems, small server rooms, security monitoring, POS systems, and home network equipment

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Overview
Details
FAQ
Reviews

Overview

The 1000 VA/800W industrial uninterruptible power supply is a backup power supply suitable for office and commercial environments with high requirements for power continuity, effectively improving the safety and reliability of system operation. Equipped with an LCD screen, it displays real-time battery level, AC mode, battery mode, and other parameters. Single-phase pure sine wave output, 120V/240V selectable. The ups uninterrupted power supply provides stable voltage output and has overload protection, short-circuit protection, and abnormal alarm functions. It can be used for stable power supply to loads such as computers, servers, monitoring hosts, access control systems, smart home systems, and small medical instruments.

Specification

Phase	Single phase with ground
Capacity	1000 VA/800 W
Input
Nominal Voitage	100/110/115/120/127VAC or 200/208/220/230/240VAC
Input Voltage Range	55-150VAC or 110-300 VAC (Based on load at 50%)
Input Voltage Range	85-140VAC or 160-280VAC (Based on load at 100%)
Frequency Range	40Hz-70Hz
Power Factor	≥0.99 @ Nominall voltage (100% load)
Output
Output Voltage	100/110/115/120/127VAC or 200/208/220/230/240VAC
Voltage Regulation	±1%
Frequency Range (Synchronized Range)	47-53Hz or 57-63Hz
Frequency Range (Batt. Mode)	50Hz±0.25Hz or 60Hz±0.3Hz
Current Crest Ratio	3:1
Harmonic Distortion	≤3% THD (Linear Load)
Harmonic Distortion	≤6% THD (Non-linear Load)
AC Mode to Battery Mode Transfer Time	Zero
Inverter to Bypass Transfer Time	4 ms (Typical)
Waveform (Batt. Mode)	Pure Sine wave
Efficiency
AC Mode	88%
Battery Mode	83%
Battery Long-run Model
Battery Type	Depending on the capacity of external batteries
Numbers	2/3
Charging Voltage	27.4VDC±1% / 41.0VDC±1%
Charging Current (max.)	1A/2A/4A/6A (Adjustable)
LCD Indicators	Load level, Battery level, AC mode, Battery mode, Bypass mode, and Fault indicators
Alarm
Battery Mode	Sounding every 4 seconds
Low Battery	Sounding every second
Overload	Sounding twice every second
Fault	Continuously sounding
Physical Long-run Model
Dimension, DxWxH (mm)	282x145x220
Net Weight (kgs)	4.1
Environment
Humidity	20-90% RH @ 0-40°C (Non-condensing)
Noise Level	Less than 50dB @ 1 Meter
Management
Smart RS-232/USB	Supports Windows® 2000/2003/XP/Vista/2008, Windows® 7/8/10, Linux and MAC
Optional SNMP	Power management from SNMP manager and web browser

Note:

1. The UPS input/output configuration is 1-phase (L, N, G) like Europe standard, NOT support the split phase (L1, L2 + G) like USA standard.

2. Batteries that work with this UPS are not included, customers need to match lead-acid battery packs on their own, consult us for battery specifications.

3. If you need other output voltage range, please contact us.

Details

Feature

Automatic voltage regulation effectively addresses overvoltage, undervoltage, and voltage fluctuations.
Equipped with an intelligent battery management system for efficient charging.
Selectable AC/battery mode for high-efficiency conversion.
LCD display shows real-time operating status.
Features overload protection, short-circuit protection, and alarm functions.
Suitable for office systems, copiers, security monitoring, lighting systems, and home network devices.
Provides continuous and stable power supply during periods of unstable mains power or sudden power outages.

AC input
Input circuit breaker
USB communication port
RS-232 communication port
SNMP intelligent slot (option)
External battery connection (only available for L model)
Output receptacles

Application

Office Equipment

Computer Network

Intelligent Home

Lighting System

FAQ

Q1: What is a Line-Interactive industrial uninterruptible power supply?

A Line-Interactive ups uninterruptible power supply is an uninterruptible power supply topology that regulates voltage when mains power is normal and quickly switches to battery power during power outages. Compared to the most basic standby UPS, it features Automatic Voltage Regulator (AVR), which improves voltage stability within a certain range.

Q2: What power problems does a Line-Interactive UPS protect against?

A Line-Interactive UPS battery backup power supply not only provides backup power during mains power outages but also mitigates some power problems such as over/under voltage and short-term voltage fluctuations, improving equipment operational stability.

Q3: How to choose the capacity (VA/W) of a Line-Interactive ups uninterruptible power supply?

When selecting a ups backup uninterrupted power supply, the appropriate VA/W should be chosen based on the total power of the connected equipment. It is generally recommended to choose a online ups power supply with a capacity slightly higher than the total power of the equipment to ensure sufficient operating time and stability.

2 review(s)

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1 2 3 4 5

From: Brandon | Date: 8/5/2026 1:24 AM

Solid UPS – Does the Job, But Battery Efficiency Could Be Better

Keeps my home office gear running smoothly during brownouts – the LCD screen is handy and transfer time is fast. Automatic voltage regulation has been a nice bonus too. Dropped a star because battery mode efficiency is only 83%, which feels a bit low for a unit at this price point. Still a reliable backup overall.

From: Michael | Date: 5/27/2026 7:32 AM

Just Set It and Forget It – Works Great

Been using this UPS for a few weeks now and honestly it's saved my butt a couple times already. Our power flickers a lot here and I used to lose whatever I was working on, but now my computer and router just keep humming along like nothing happened. The best part is I don't have to think about it – it's just there doing its job. Plus the LCD screen is actually useful, lets you see what's going on without any guesswork. Runs quiet too, I barely notice it under my desk. One less thing to worry about when the weather gets nasty.