Norden 20KVA true online tower three phase UPS (NPS-AC20T33I)

Norden NPS-AC20T33I is a 20KVA true online double-conversion tower UPS designed to provide continuous, stable and reliable power protection for critical electrical and IT equipment. It supports three-phase input and output configurations, delivers a pure sine wave output with a power factor of 1, and provides precise voltage and frequency regulation to protect servers, data center equipment, networking systems, industrial equipment and other sensitive loads. The UPS features a 7-inch touch LCD display, multiple communication interfaces and space for 40 batteries, making it suitable for commercial, industrial and data center power backup applications. The NPS-AC20T33I is supplied without batteries.

Product Features

True Online Double-Conversion Technology

The Norden NPS-AC20T33I uses true online double-conversion technology to continuously regulate incoming power and provide stable power to connected equipment, helping protect critical loads from voltage fluctuations, electrical disturbances and power interruptions.

20KVA Rated Power

With a rated capacity of 20KVA, the UPS is designed for high-power applications requiring reliable and continuous backup power for servers, networking equipment, data center infrastructure and industrial systems.

Three-Phase Input and Output

The UPS supports 3-phase input and 3-phase output configurations, making it suitable for commercial and industrial installations that require three-phase power protection.

Pure Sine Wave Output

The NPS-AC20T33I provides a pure sine wave output suitable for sensitive electronic and IT equipment.

High Power Factor

The UPS provides an output power factor of 1, allowing the 20KVA system to deliver up to 20KW of usable active power under suitable operating conditions.

7-Inch Touch LCD Display

A 7-inch touch LCD display provides convenient access to operating information, system status, alarms and UPS parameters.

Flexible Battery Configuration

The NPS-AC20T33I provides space for up to 40 batteries and uses 12V 9Ah batteries. The unit is supplied without batteries, allowing the battery configuration to be selected according to the required backup runtime.

Multiple Communication Interfaces

The UPS provides USB, RS232, RS485 and dry contact interfaces for monitoring, management and integration with connected systems. SNMP and relay contact cards are available as optional features.

Advanced Protection and Monitoring

The UPS provides overload protection, bypass operation, system alarms and status indicators to help monitor operating conditions and protect connected equipment.

Parallel Operation Support

A parallel kit is available as an optional feature, allowing the system to be configured for applications requiring additional capacity or redundancy.

Product Specifications

• Brand: Norden
• Series: Maxion Series
• Model: NPS-AC20T33I
• UPS Type: True Online Double-Conversion UPS
• UPS Configuration: Tower
• Rated Power: 20KVA
• Input Configuration: Three-phase
• Output Configuration: Three-phase
• Input Voltage: 380/400/415VAC line-to-line
• Input Voltage Range: 304-478VAC line-to-line at full load
• Input Frequency: 50/60Hz
• Input Frequency Range: 40-70Hz
• Input Power Factor: Greater than 0.99
• Input Current Distortion: THDi less than 2% with 100% linear load
• Output Voltage: 380/400/415VAC line-to-line
• Output Power Factor: 1
• Output Voltage Regulation: ±1.0%
• Output Frequency Accuracy: 0.1%
• Output Waveform: Pure sine wave
• Phase Accuracy: 120° ±0.5°
• Current Crest Ratio: 3:1
• Harmonic Distortion: Less than 1% for linear loads and less than 5% for non-linear loads
• Output Connection: Terminal block
• Battery Type: 12VDC 9Ah
• Battery Quantity: 40 batteries
• Battery Charging Accuracy: ±1%
• Display: 7-inch touch LCD with LED indicators
• Communication Interfaces: USB, RS232, RS485 and dry contact
• Optional Communication: SNMP card and relay contact card
• Optional Feature: Parallel kit
• Cold Start: Supported
• Operating Temperature: 0-40°C
• Relative Humidity: 0-95%, non-condensing
• Noise Level: 67-72dB at full load
• IP Rating: IP20
• Maximum Operating Altitude: 3000m above sea level
• Safety Standards: IEC62040-1 and IEC60950-1
• EMC Standards: IEC62040-2, IEC61000-4-2, IEC61000-4-3, IEC61000-4-4 and IEC61000-4-5
• Battery Status: Supplied without batteries
• Installation Type: Tower
• Application: Servers, data centers, networking equipment, industrial equipment and critical electrical systems
• Model Number: NPS-AC20T33I