Microtek 20KVA/360V iMAXX 3-Phase Input & Output Online UPS

Microtek 20KVA/360V iMAXX 3-Phase Online UPS – Transformer-Based Power Backup Solution

The Microtek 20KVA/360V iMAXX 3-Phase Online UPS is a high-capacity uninterruptible power supply designed to deliver dependable power protection for industrial applications, commercial facilities, institutional infrastructure and compatible critical electronic equipment.

Featuring advanced Digital Signal Processing (DSP) technology, an IGBT-based inverter, an inbuilt output isolation transformer and a 0.8 output power factor, the Microtek iMAXX Series offers reliable power conversion for demanding three-phase installations.

With a rated capacity of 20KVA/16000W, a 360V DC external battery system and a 20 Amp inbuilt charger, this UPS combines efficient power management with advanced protection, monitoring and redundancy features.

Manufactured by Microtek, this model features three-phase input and three-phase output (3:3), making it suitable for appropriately designed electrical systems requiring regulated three-phase AC power.

Advanced DSP Technology with IGBT-Based Inverter

The Microtek 20KVA/360V iMAXX Online UPS incorporates DSP-controlled IGBT inverter technology.

The digital control system manages power conversion, operating status and output regulation to support dependable electricity delivery.

Unlike conventional standby UPS systems, an Online UPS continuously provides power to the protected equipment through its inverter during normal operation.

This helps protect compatible electronic loads from supported input power disturbances and unexpected mains failures.

When the incoming mains supply fails, the battery bank continues supplying energy to the inverter without a normal AC-to-battery switching delay.

Microtek specifies zero transfer time from normal online operation to battery mode.

This capability is particularly relevant for business-critical infrastructure where sudden equipment shutdowns could interrupt operations.

Three-Phase Input and Three-Phase Output Configuration

The Microtek 20KVA/360V iMAXX 3-Phase Online UPS is designed for facilities requiring three-phase power at both the input and output.

The manufacturer specifies nominal three-phase input voltages of 380V and 400V AC, with an input arrangement that includes three phases and neutral.

The UPS delivers regulated three-phase output at 380V or 400V AC, with an adjustable 415V setting.

This makes the product different from three-phase input, single-phase output UPS models.

Three-phase output is useful for compatible industrial and commercial systems designed to operate using a three-phase electrical distribution network.

Before installation, the phase sequence, neutral requirements, earthing, cabling and electrical protection must be evaluated according to the complete system design.

20KVA/16000W Rated Capacity with 0.8 Power Factor

The Microtek iMAXX 20KVA Online UPS offers 20000VA/16000W rated output capacity.

With an output power factor of 0.8, the UPS delivers up to 16000 watts of rated active power under its specified operating conditions.

This rating supports a variety of properly sized professional computing and industrial electronic systems.

Potential applications include commercial IT infrastructure, compatible automation electronics, institutional electrical systems and business-critical three-phase equipment.

The total connected load should be calculated before selecting the UPS.

Electrical requirements may include continuous power consumption, startup characteristics, peak loads and suitable operating headroom.

Maintaining adequate headroom helps prevent overload conditions and supports reliable long-term performance.

Inbuilt Output Isolation Transformer

One of the main features of the Microtek 20KVA/360V iMAXX Online UPS is its integrated output isolation transformer.

The transformer provides galvanic isolation within the supported output electrical arrangement.

This can help reduce certain types of common-mode noise and electrical disturbances affecting compatible equipment.

The transformer-based design makes the UPS relevant to applications where output isolation is an important electrical requirement.

Because the isolation transformer is integrated into the UPS cabinet, an additional standalone transformer may not be necessary when the built-in arrangement satisfies the installation requirements.

However, proper grounding, circuit protection and electrical safety procedures remain essential.

Specialized machinery, medical equipment or other regulated applications should be evaluated against their own safety and power-quality requirements.

360V DC External Battery System

The Microtek iMAXX 20KVA UPS uses a 360V DC external battery bank in its default configuration.

The standard battery arrangement consists of 30 compatible 12V batteries connected in series.

The manufacturer also provides battery quantity adjustment for supported 29, 31 and 32-battery arrangements.

These options allow approved battery system configurations based on the UPS’s operating settings.

Actual backup time depends on installed battery capacity, connected load, battery health, ambient temperature and UPS efficiency.

Customers requiring longer backup should calculate their required runtime before selecting a battery bank.

The external battery system should be installed using suitable racks, DC circuit breakers, battery links and appropriately rated cables.

Flexible 30, 31 and 32 Battery Configurations

The commercial specification for SKU 899-410-0203 identifies 30, 31 and 32-battery configurations.

Using nominal 12V batteries, a 30-battery arrangement provides 360V DC.

A supported 31-battery arrangement provides 372V DC, while 32 batteries provide 384V DC.

The manufacturer’s technical documentation also identifies an adjustable 29-battery configuration corresponding to 348V DC.

These alternative arrangements are only suitable where supported by the UPS hardware and configuration.

The charger settings and battery protection arrangements must match the selected battery quantity.

A battery bank must never be modified without manufacturer-approved configuration and professional commissioning.

20 Amp Inbuilt Battery Charger

The Microtek 20KVA/360V iMAXX Online UPS features an inbuilt battery charger with a maximum capability of 20 Amp.

The manufacturer’s technical specification also identifies a default charging-current setting of 5A.

The actual charging current available depends on the UPS load, battery voltage and operating conditions.

This distinction is important because the 20A charger rating should not be interpreted as a guaranteed continuous charging current under every condition.

Battery charging settings should be selected according to the installed battery manufacturer’s recommendations.

Correct configuration supports dependable battery readiness and helps reduce the risk of inappropriate charging.

Because the UPS uses a high-voltage DC battery bank, battery servicing and charger configuration must be performed by qualified personnel.

Pure Sine Wave Three-Phase Output

The Microtek iMAXX 20KVA Online UPS provides pure sine wave output during battery operation.

Pure sine wave power is suitable for a wide range of compatible electronic systems and power conversion equipment.

The UPS supports nominal three-phase output at 380V or 400V AC, with a 415V adjustable setting.

Microtek specifies approximately ±1% output voltage regulation in battery mode.

The manufacturer also lists output voltage distortion below 2% for linear loads and below 5% for non-linear loads.

These electrical characteristics help maintain stable output power for appropriately selected equipment.

High Efficiency in AC and Battery Modes

The Microtek 20KVA/360V iMAXX Online UPS is designed for efficient power conversion.

The manufacturer’s technical brochure specifies 91% efficiency in AC mode and 91% efficiency in battery mode for the 20KVA 3:3 model.

Efficiency is important in commercial and industrial power backup installations because electrical conversion losses contribute to operating costs and heat generation.

A correctly designed installation should provide adequate ventilation and cooling for the UPS cabinet.

The actual efficiency experienced in operation can vary according to load and operating conditions.

Parallel Redundancy with Up to Four UPS Units

The Microtek iMAXX 20KVA 3:3 Online UPS supports manufacturer-approved parallel redundancy configurations.

The February 2026 commercial specification identifies parallel redundancy with up to four compatible UPS units, each using a separate battery bank.

This option is relevant for organizations seeking additional availability for essential electrical infrastructure.

Parallel redundancy allows compatible units to form part of a properly engineered power backup architecture.

However, successful parallel operation requires compatible hardware, synchronization, communication accessories, wiring and protective equipment.

The redundancy configuration and usable capacity depend on the approved system design.

Customers should confirm the exact supported parallel arrangement with Microtek before procuring multiple units.

Hot Standby and Cold Start Functionality

The Microtek 20KVA/360V iMAXX Online UPS includes Hot Standby and Cold Start capabilities.

Hot Standby supports approved standby arrangements where an additional compatible UPS can provide backup in a suitably designed system.

Cold Start permits supported UPS startup from a properly connected and sufficiently charged battery bank when incoming mains electricity is unavailable.

These functions provide flexibility in planning professional backup installations.

Hot Standby should not automatically be confused with increasing output capacity through parallel load sharing.

The correct configuration must be selected according to the power system’s operational requirements.

Smart LCD Display for Real-Time Monitoring

The Microtek iMAXX 20KVA Online UPS features a smart LCD display designed to provide convenient access to system operating information.

The display allows users and technicians to monitor power backup conditions and identify status alerts.

This helps facility managers and IT administrators supervise essential UPS equipment.

The UPS also includes RS232, USB and RS485 communication interfaces for supported monitoring applications.

Optional SNMP network management provides additional monitoring functionality where compatible equipment and software are installed.

The manufacturer also lists optional dry-contact communication features for integration into suitable monitoring systems.

Built-In Maintenance Bypass and Static Bypass

The Microtek iMAXX 20KVA Online UPS includes built-in maintenance bypass and static bypass switching arrangements.

These features support approved operating and service procedures.

Microtek specifies zero inverter-to-bypass transfer time under its stated conditions.

Bypass operation should be evaluated carefully because it can expose the connected load to the available bypass electrical supply.

Installation, servicing and switching procedures should be performed only by qualified electrical personnel.

Advanced Electrical Protection Features

The Microtek iMAXX Series incorporates multiple protection features designed to improve operational reliability.

These include battery reverse-polarity protection, overtemperature indication and protection, and overload-handling functions.

Conformal-coated PCB assemblies provide additional resistance to some challenging environmental conditions.

The UPS also provides bypass-related overload capabilities under the manufacturer’s specified conditions.

These protective features are intended to operate within the supported electrical limits and do not replace proper external circuit protection.

Generator Compatibility

The Microtek 20KVA/360V iMAXX Online UPS supports operation with compatible standby generators.

Microtek recommends approximately 2.5 times the UPS capacity as a general generator sizing guideline.

For a 20KVA UPS, this represents a preliminary guideline of approximately 50KVA.

Actual generator selection must consider the full electrical load, charging demand, power factor and generator characteristics.

Generator compatibility should be verified during installation planning.

CVCF Operation and Optional Input Filter

The Microtek iMAXX Series supports Constant Voltage Constant Frequency (CVCF) operation under approved conditions.

Microtek identifies the ability to operate in CVCF mode without batteries when a valid input supply is available.

However, operating without batteries does not provide stored-energy backup during a complete mains outage.

An optional input filter is also available for applications requiring a 0.9 input power factor configuration.

This optional input feature should not be confused with the UPS’s standard 0.8 output power factor.

Industrial and Commercial Applications

The Microtek 20KVA/360V iMAXX 3-Phase Online UPS is suitable for professionally designed commercial and industrial electrical installations.

Potential applications include compatible industrial automation equipment, technical electronic systems, data center infrastructure, institutional facilities and commercial buildings.

Its three-phase output and transformer-based design make it relevant to larger power backup applications where electrical isolation and regulated three-phase power are important.

Applications involving regenerative loads, large motors, elevators or specialized equipment require a separate compatibility assessment.

The UPS should be selected according to the actual electrical load and installation requirements.

Floor-Standing Cabinet for Professional Installation

The Microtek iMAXX 20KVA 3:3 Online UPS uses a substantial floor-standing cabinet.

The manufacturer lists approximate dimensions of 656 × 405 × 941 mm and a net weight of 179kg, excluding external batteries.

The installation site must provide suitable structural support, ventilation, electrical access and maintenance clearance.

The high-voltage battery bank must be housed and protected appropriately.

Professional installation and commissioning are essential for safe and dependable operation.

Buy Microtek 20KVA/360V iMAXX Online UPS from Aadinath Peripherals

At Aadinath Peripherals & Consumables, we supply professional IT hardware, UPS power backup systems, networking equipment, computers and infrastructure products for businesses and institutions.

We assist customers with UPS procurement, bulk quotations, compatible battery requirements and infrastructure planning.

For technical reference, review the official Microtek iMAXX Series technical datasheet.

Customers can also explore the IT hardware and power backup solutions available from Aadinath Peripherals.

For product pricing, stock availability, battery configurations and bulk procurement enquiries, email sales@aadinathperipherals.com or call +91 90760 00285.

Choose the Microtek 20KVA/360V iMAXX 3-Phase Online UPS (899-410-0203) for 16000W rated output capacity, three-phase input and output, inbuilt isolation transformer, 20A charging capability, flexible external batteries and manufacturer-approved parallel redundancy.

Technical Specifications