Microtek 20KVA/±192V SuperMAX+ 3-Phase Online UPS

Microtek 20KVA SuperMAX+ Online UPS – High-Frequency 3-Phase Power Backup

The Microtek 20KVA/±192V SuperMAX+ 3-Phase Online UPS (899-430-2002) is a professional power backup solution designed for commercial IT infrastructure, institutional facilities, networking installations and compatible three-phase electronic equipment.

Featuring 20KVA/20000W rated output, a unity output power factor, advanced DSP-controlled IGBT technology and a 12A inbuilt battery charger, this model provides reliable electrical protection for demanding operating environments.

The UPS uses a three-phase input and three-phase output (3:3) configuration and supports a flexible external battery system with 32 to 40 compatible batteries.

Manufactured by Microtek, the SuperMAX+ Series combines true double-conversion technology, pure sine wave output, intelligent monitoring and manufacturer-approved parallel redundancy capabilities.

True Double-Conversion Online UPS Technology

The Microtek SuperMAX+ 20KVA Online UPS uses true double-conversion technology to provide continuous inverter-based power to connected equipment.

During normal operation, incoming AC electricity is processed through the UPS power conversion system before reaching the protected load.

This helps reduce the effects of many electrical disturbances, including voltage fluctuations and sudden mains power interruptions.

If incoming mains electricity fails, the external battery bank continues supplying the inverter without a normal transfer delay.

Microtek specifies zero AC-to-battery transfer time for the supported online operating mode.

This feature can help maintain continuity for compatible computing equipment, networking infrastructure and other professional electronic systems.

20KVA/20000W Capacity with Unity Power Factor

The Microtek SuperMAX+ 20KVA Online UPS offers a rated capacity of 20000VA/20000W.

Its unity (1.0) output power factor allows the rated active power to equal the rated apparent power under the manufacturer’s specified conditions.

This provides a higher active-power rating than a conventional 20KVA UPS with a 0.8 output power factor.

For comparison, a 20KVA system with a 0.8 output power factor delivers a rated active output of 16000W.

The higher wattage rating makes this model relevant for professional electrical installations with substantial power requirements.

However, the connected load should be calculated carefully, including operating peaks, inrush currents and suitable power headroom.

Microtek also specifies a reduction to 90% of rated output power when the UPS is configured for 3 × 360V AC output.

Three-Phase Input and Three-Phase Output

The Microtek 20KVA/±192V SuperMAX+ Online UPS supports three-phase electrical input and three-phase output.

This arrangement is also known as a 3:3 Online UPS.

The manufacturer’s technical brochure specifies a nominal three-phase input supply of 400V AC, with neutral.

Supported output voltage settings include 360V, 380V, 400V and 415V AC in a three-phase configuration.

The UPS is intended for facilities where compatible three-phase equipment requires regulated electrical power.

It should not be confused with the separately listed SuperMAX+ Dual Input model that can be configured for alternative phase arrangements.

Correct phase distribution, input protection, output wiring and grounding should be planned by a qualified electrical professional.

High-Frequency DSP-Controlled IGBT Technology

The Microtek SuperMAX+ 20KVA UPS incorporates Digital Signal Processing technology and a three-level IGBT inverter design.

This architecture helps manage power conversion, operating efficiency and electrical output regulation.

Microtek also specifies active input power factor correction across all three phases.

The manufacturer lists an input power factor of at least 0.99 at full load.

This input specification is separate from the UPS’s unity output power factor.

Together, these technologies support efficient electrical performance for properly designed commercial power backup installations.

Flexible ±192V to ±240V External Battery System

The Microtek SuperMAX+ 20KVA Online UPS uses a centre-tapped external battery system.

Its default configuration operates at ±192V DC using 32 compatible 12V batteries.

The maximum documented battery configuration is ±240V DC using 40 compatible batteries.

These voltage ratings describe positive and negative battery sections relative to a midpoint connection.

For example, the default 32-battery system consists of two nominal 192V sections, producing approximately 384V across the full battery arrangement.

The battery system must be wired according to Microtek’s approved centre-tapped connection diagram.

Improper DC polarity, midpoint connection or battery quantity may damage equipment and create serious electrical hazards.

Professional installation is essential.

Adjustable Battery Quantity from 32 to 40

Microtek specifies adjustable battery quantities from 32 to 40 batteries in paired increments.

This allows suitable battery voltage configurations to be selected within the manufacturer’s supported range.

The battery quantity should not be confused with backup runtime.

Actual backup duration depends on the installed battery ampere-hour capacity, connected load, discharge characteristics, battery condition and UPS operating efficiency.

The external battery bank should be sized according to the required backup period.

Suitable battery racks, DC protection, interconnecting cables and battery isolation equipment should be specified separately as part of the complete installation.

12 Amp Inbuilt Battery Charger

The Microtek 20KVA SuperMAX+ Online UPS includes a 12 Amp maximum inbuilt battery charger.

The manufacturer specifies selectable charging currents from 1A to 12A in 1A increments.

The factory-default charging setting is 4A.

This flexibility allows the charging current to be matched to a compatible battery bank.

The maximum 12A setting is not automatically suitable for every battery capacity or installation.

Battery charging parameters should be selected according to the battery manufacturer’s recommendations and Microtek’s approved settings.

Correct configuration helps maintain battery readiness and supports reliable backup operation.

Pure Sine Wave Output and Voltage Regulation

The Microtek SuperMAX+ 20KVA Online UPS delivers pure sine wave output during battery operation.

Pure sine wave power supports the operation of many compatible electronic systems, including professional computing and networking equipment.

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

Output harmonic distortion is rated at 2% or less for linear loads and 5% or less for non-linear loads.

These specifications help maintain stable electrical output within the supported operating range.

Smart 4.3-Inch Touch Panel Display

The Microtek SuperMAX+ 20KVA Online UPS is described in the manufacturer’s series brochure as having a 4.3-inch touch panel LCD.

The interface provides useful operating information, including UPS status, load percentage, current on individual output phases and power consumption.

It also displays battery information, input and output voltages, input and output frequency, temperature and event logs.

This helps operators monitor system performance and identify fault conditions.

The exact display design should be checked against the supplied cabinet revision.

The separate 899-431-2002 Dual Input model is advertised with a 5-inch display and should not be confused with this version.

ECO Mode for Energy Efficiency

The Microtek SuperMAX+ Series supports ECO operating mode.

According to the official datasheet, efficiency is specified at approximately 95.5% in AC mode, 98.5% in ECO mode and 94.5% in battery mode under manufacturer test conditions.

Higher operating efficiency can reduce electrical losses and heat production.

However, ECO operation differs from standard continuous double-conversion mode.

The appropriate operating mode should be chosen according to the power protection requirements of connected equipment.

Parallel Redundancy with Up to Three UPS Units

The Microtek 20KVA/±192V SuperMAX+ Online UPS supports optional parallel operation with up to three compatible UPS units.

Microtek specifies the use of a common battery bank for this supported parallel arrangement.

Parallel operation may help organizations create manufacturer-approved capacity or redundancy configurations.

However, a common battery bank must be correctly engineered for the combined electrical requirements of the parallel UPS system.

Appropriate synchronization, communication cables, battery protection and electrical connections are essential.

The maximum usable output and level of redundancy depend on the approved system design.

Multiple UPS units must never be connected together without manufacturer-approved parallel installation procedures.

Optional Output Isolation Transformer

The Microtek SuperMAX+ 20KVA model is a high-frequency UPS with an optional isolation transformer.

An inbuilt output isolation transformer should not be assumed to be included with the standard UPS.

Where galvanic isolation is required, a suitable isolation transformer can be considered as an additional accessory.

Transformer selection should be based on the electrical load, installation requirements and manufacturer approval.

This is an important distinction from Microtek’s transformer-based iMAXX UPS models, which have an inbuilt output isolation transformer.

Built-In Maintenance Bypass and Static Bypass

The Microtek SuperMAX+ Series incorporates maintenance bypass and static bypass functions.

These features support approved servicing and electrical operating arrangements.

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

However, bypass operation can expose connected equipment to the characteristics of the available bypass supply.

Bypass switching and electrical maintenance should be performed by trained technical personnel.

Electrical Protection and Generator Compatibility

The Microtek SuperMAX+ 20KVA Online UPS includes overload protection, surge protection and electrical monitoring functions.

The manufacturer’s brochure specifies C3-level EMI protection at the input and output.

An Emergency Power Off function is also included in the product family’s technical features.

The UPS supports compatible generator supplies, provided that the generator meets the required electrical input specifications.

Generator sizing should account for the connected equipment, battery charging requirements and operating characteristics.

USB, RS232 and Optional SNMP Monitoring

The Microtek SuperMAX+ UPS supports USB and RS232 communication for compatible monitoring applications.

Optional SNMP management is available for network-based UPS monitoring.

These interfaces can help technical teams supervise critical backup power installations.

The correct communication accessories should be confirmed during procurement.

For installations with multiple UPS units, separate approved parallel communication components may also be required.

Optional Backfeed Energy Absorption Box

Microtek’s SuperMAX+ brochure lists an optional backfeed energy absorption accessory for certain motor-driven or regenerative-load applications.

Such loads can return electrical energy toward the UPS output under particular operating conditions.

Examples may include certain lifts, elevators and CNC machines.

The suitability of this accessory depends on the machinery, returned-energy characteristics and approved UPS configuration.

Customers must obtain technical confirmation from Microtek before connecting regenerative industrial loads.

The optional accessory should not be treated as included with the standard UPS.

Suitable Applications

The Microtek SuperMAX+ 20KVA Online UPS can be considered for a range of professionally designed three-phase backup installations.

Potential applications include compatible server rooms, networking infrastructure, computing systems, institutional facilities, commercial electronic equipment and selected industrial control systems.

The UPS should be selected according to the connected equipment’s electrical specifications and required backup duration.

Motor-driven loads, sensitive industrial machinery and regenerative equipment should be evaluated separately for compatibility.

Tower Cabinet and Installation Requirements

The Microtek SuperMAX+ 20KVA uses a floor-standing tower cabinet.

The manufacturer’s datasheet specifies approximate dimensions of 630 × 250 × 750 mm and a net UPS weight of 43kg, excluding external batteries.

The UPS should be installed in a clean, properly ventilated area with adequate maintenance access.

The external high-voltage battery system requires a separate, correctly protected installation arrangement.

Battery racks, cabling, DC isolation devices and other accessories must be confirmed in the actual quotation.

Buy Microtek 20KVA SuperMAX+ Online UPS from Aadinath Peripherals

At Aadinath Peripherals & Consumables, we supply professional IT hardware, UPS power backup equipment, networking products, computers and infrastructure solutions for commercial and institutional buyers.

Our team can assist with UPS enquiries, compatible battery selection, quotations and bulk procurement requirements.

For detailed technical information, review the official Microtek SuperMAX+ product brochure.

You can also explore the range of IT hardware and power backup products available through Aadinath Peripherals.

For pricing, stock availability, battery systems and bulk quotations, email sales@aadinathperipherals.com or call +91 90760 00285.

Choose the Microtek 20KVA/±192V SuperMAX+ 3-Phase Online UPS (899-430-2002) for 20000W rated output, unity power factor, true double-conversion technology, 12A adjustable charging, 32–40 external batteries and optional three-unit parallel redundancy with a common battery bank.

Technical Specifications