SBU (Solar, Battery, Utility) priority
SBU (Solar, Battery, Utility) priority smart management

UPSModel Solar Online UPS 3KL
Discover Voltronic Power's Solar Online UPS 3KL with 220/230/240VAC output and ±1% voltage regulation for reliable power solutions.
In stock
SBU (Solar, Battery, Utility) priority smart management
Built-in 1KW or 1.5KW MPPT solar charger
Optional Isolation transformer for full isolation and complete common mode noise rejection
Comprehensive display allows easy monitoring and access of UPS & solar energy status
The Voltronic UPS Solar Online 3KL is a Single Phase Online UPS with a maximum PV array power of 1500W, making it a dependable choice for protecting critical loads from power interruptions. It accepts an operating voltage range of 110-280 VAC. Its output waveform is Pure Sinewave. The unit measures 400 x 145 x 332 and weighs 12.3. The Voltronic UPS Solar Online 3KL is backed by a 2-year manufacturer warranty from Voltronic Power. Its published specifications also list Frequency Range (Synchronized Range) of 47 ~ 53Hz or 57 ~ 63Hz, Frequency Range (Batt. Mode) of 50Hz or 60Hz ± 0.1Hz and Current Crest Ratio of 3:1.
Specifications last updated 27 March 2026
| Nominal Voltage | 220/230/240VAC |
|---|---|
| Input Voltage Range | 110-280VAC |
| Frequency Range | 40Hz ~ 70Hz |
| Power Factor | ≥ 0.95 @ Nominal Voltage (100% load) |
| Output Voltage | 220/230/240VAC |
| Voltage Regulation | ± 1% |
| Frequency Range (Synchronized Range) | 47 ~ 53Hz or 57 ~ 63Hz |
| Frequency Range (Batt. Mode) | 50Hz or 60Hz ± 0.1Hz |
| Current Crest Ratio | 3:1 |
| Harmonic Distortion | ≤ 3 % THD (Linear Load) ; ≤ 6 % THD (Non-linear Load) |
| Transfer Time | 0 ms |
| Waveform (Batt. Mode) | Pure Sinewave |
| AC Mode | 90% |
| Battery Voltage | 72VDC |
|---|---|
| Charging Current (max.) | 1A/2A/4A/6A (Default), adjustable by internal jumper |
| Charging Voltage | 82.1VDC ± 1% |
| Solar Charger Type | MPPT |
| Maximum PV Array Open Circuit Voltage | 145VDC |
| Maximum PV Array Power | 1500W |
| MPP Range @ Operating Voltage | 90VDC - 115VDC |
| Maximum Solar AC Mode | 20A |
| Charger Current (AC Mode) | 15A |
| 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 |
| Battery Mode | 88% |
| Dimension, D x W x H (mm) | 400 x 145 x 332 |
|---|---|
| Net Weight (kgs) | 12.3 |
| Weight | 12.3 |
| Humidity | 20-90 % RH @ 0- 50°C (Non-condensing) |
|---|---|
| Noise Level | Less than 50dB @ 1 Meter |
The Voltronic UPS Solar Online 3KL has a nominal voltage of 220/230/240 VAC and an operating voltage range of 110-280 VAC.
The Voltronic UPS Solar Online 3KL measures 400 x 145 x 332 and weighs 12.3.
The Voltronic UPS Solar Online 3KL supports a maximum PV array power of 1500W and a maximum PV array open-circuit voltage of 145 VDC.
The Voltronic UPS Solar Online 3KL has a maximum charge current of 1A/2A/4A/6A (Default), adjustable by internal jumper.
The Voltronic UPS Solar Online 3KL produces a Pure Sinewave output waveform.
The Voltronic UPS Solar Online 3KL provides a voltage regulation of ± 1%.
The Voltronic UPS Solar Online 3KL has a noise level of Less than 50dB @ 1 Meter during operation.
The Voltronic UPS Solar Online 3KL has a power factor of ≥ 0.95 @ Nominal Voltage (100% load) and a harmonic distortion of ≤ 3 % THD (Linear Load).
The Voltronic UPS Solar Online 3KL is backed by a 2-year manufacturer warranty from Voltronic Power.