NCTS NU10K16S 10KVA 8KW Online Pure Sine Wave Tower UPS – 16 × 12V 7Ah Batteries

The NCTS NU10K16S 10KVA Online Tower UPS is designed to provide reliable and continuous power protection for critical electrical equipment, business systems, servers, networking devices, and professional IT environments. With a rated output capacity of 10KVA/8KW, this uninterruptible power supply (UPS) is equipped with online power protection technology and a pure sine wave output to maintain stable electrical performance during power interruptions and voltage fluctuations.

The NCTS NU10K16S UPS is equipped with 16 internal 12V 7Ah batteries, operating at a battery group voltage of 192V. A backup time of at least 10 minutes at half load and at least 5 minutes at full load is provided under standard conditions. With a transfer time of 0 milliseconds between AC and battery operation, connected equipment is protected against interruptions during power source transitions. The 220V AC output is regulated with an accuracy of ±1% during inverter operation, while low total harmonic distortion is maintained for consistent power quality.

Advanced overload protection and communication capabilities are also included to support professional power management requirements. RS232 communication is supported, with expansion options for RS485, dry contact connections, SNMP, SMS, and additional monitoring methods through the smart slot. The tower design allows the UPS to be installed in commercial and technical environments where dependable backup power, electrical stability, and equipment protection are required.

Key Features

10KVA/8KW High-Capacity Power Protection

A rated output capacity of 10KVA/8KW is provided to support demanding electrical loads, making the UPS suitable for servers, network infrastructure, office equipment, and other critical electronic systems.

Online UPS Technology

Continuous power protection is provided through online UPS operation, helping connected equipment remain operational during fluctuations in the main electrical supply.

Pure Sine Wave Output

A pure sine wave output is delivered with total harmonic distortion below 3% for linear loads and below 8% for nonlinear loads. Stable power quality is maintained for sensitive electronic equipment.

16 Internal 12V 7Ah Batteries

The UPS is equipped with 16 internal 12V 7Ah batteries, providing a battery group voltage of 192V. Under standard conditions, backup power is supplied for at least 10 minutes at half load and at least 5 minutes at full load.

Zero-Millisecond Transfer Time

A transfer time of 0ms is provided between AC and battery operation, allowing connected equipment to continue operating without an interruption caused by the power source transition.

Stable 220V AC Output

An output voltage of 220VAC ±1% is maintained during inverter operation to provide consistent electrical power for connected devices.

Wide Input Voltage Range

An input voltage range of 120–275VAC ±5V is supported, allowing the UPS to accommodate variations in the incoming electrical supply.

Fast Battery Recharging

The internal batteries can be recharged to 90% capacity within approximately 5 hours under standard charging conditions.

Advanced Overload Protection

Overload management is supported, including operation at 130% load for at least 30 seconds and automatic transfer to bypass after 1 minute when the load reaches 105–125%.

Communication and Remote Monitoring

RS232 communication is provided, with support for conversion to RS485 and dry contact connections. A smart slot is included for expansion to SNMP, SMS, and other monitoring methods.

Professional Tower Design

A tower configuration is used, with unit dimensions of 515 × 250 × 620 mm, making the UPS suitable for professional power backup installations.

Specifications

General

• Brand: NCTS

• Model: NU10K16S

• Product Type: Online Uninterruptible Power Supply (UPS)

• UPS Design: Tower

• Waveform: Pure Sine Wave

• Input/Output Configuration: Single-Phase Input and Output

• Rated Output Capacity: 10KVA / 8KW

• GTIN: 6295151551134

Input Specifications

• Rated Voltage: 220VAC

• Input Voltage Range: 120–275VAC ±5V

• Input Frequency Range: (45–55) ±0.5Hz

• Bypass Voltage Range: 80VAC × (1 ±5%) to 285VAC × (1 ±5%)

• Maximum Input Current at Power-On: Less than 150% of rated current

Battery Specifications

• Battery Group Voltage: 192V

• Battery Configuration: Internal

• Battery Capacity: 12V 7Ah

• Battery Quantity: 16 Pieces

• Backup Time at Half Load: ≥10 Minutes (Standard)

• Backup Time at Full Load: ≥5 Minutes (Standard)

• Battery Charging Time: 5 Hours to 90% Capacity (Standard)

Output Specifications

• Output Voltage: 220VAC ±1% (Inverter Output)

• Output Frequency with Normal AC Input: 50 ±5Hz

• Output Frequency with Abnormal AC Input: 50Hz ±1%

• Output Waveform: Sine Wave

• Total Harmonic Distortion (Linear Load): Less than 3%

• Total Harmonic Distortion (Nonlinear Load): Less than 8%

• Output Power Factor: 0.8

• Output Current Peak Coefficient: 3:1

• Transfer Time Between AC and Battery: 0ms

Overload and Protection

• Overload Capability: 130% Load for Not Less Than 30 Seconds

• Overload Recovery Point: 90% Load

• Overload Protection: At 105–125% Load, Transfer to Bypass After 1 Minute

Communication and Monitoring

• Communication Interface: RS232

• RS232 Conversion: RS485 Supported

• Dry Contact Interface: Supported

• Expansion Interface: Smart Slot

• Optional Monitoring Expansion: SNMP, SMS, and Other Monitoring Methods

Dimensions and Weight

• Unit Dimensions (W × H × D): 515 × 250 × 620 mm

• Carton Dimensions (W × H × D): 660 × 365 × 730 mm

• Net Weight: 59 kg

• Gross Weight: 65 kg

Conclusion

The NCTS NU10K16S 10KVA 8KW Online Pure Sine Wave Tower UPS is designed to deliver dependable backup power and stable electrical protection for professional and commercial applications. With 16 internal batteries, zero-millisecond transfer time, regulated 220V output, advanced overload protection, and expandable communication capabilities, reliable power continuity is supported for servers, networking equipment, office systems, and other essential electronic devices.