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Power Range: 20-100kVA

UPS Modular 208V

| RADIANT-IB

RADIANT-IB UPS is AEC’s modular three-phase, double-conversion online UPS series with internal batteries, available in power ratings from 20 kVA to 100 kVA.

The UPS is designed for 208 V, three-phase, 4-wire (3Ph + N + G) systems.

The system is built on 20 kW hot-swappable power modules installed in a 100 kVA frame, supporting scalable capacity expansion and N+X redundancy configurations.

RADIANT-IB integrates hot-swappable internal battery trays, supporting up to 240 pcs 12 V / 9 Ah batteries within the cabinet, eliminating the need for external battery cabinets in standard runtime configurations.

This architecture allows incremental power growth and module or battery replacement without load interruption.

The UPS operates with online double-conversion topology, delivering efficiency up to 96% and a unity (1.0) output power factor.

The system is equipped with a touchscreen display for monitoring, configuration, and diagnostics.

Modular

Three UPS levels

kW = kVA

96% Efficiency

TIER 1 UPS Highest efficiency

High-rate VRLA Batteries

8A Charger for fast recharge

Warranty

Assistance

Datasheet UPS RADIANT-IB 208V Modular with Internal vrla batteries

UPS Model	RAD100-IB-XX20
Input
Voltage (VAC)	200/208/220VAC(L-L)
Frequency (HZ)	40~70Hz
Input range (VAC)	166-261Vac(L-L)@full load, 125-166Vac(L-L) power derate from 100% to 75%
Power factory	≥0.99
THDI	≤3%
Phase	3W+N+G
Output
Power Module (kW)	20kVA
Frame capacity (kW)	100kVA (Max 5 Modules x 20kVA)
Power factor	1
Voltage (VAC)	200/208/220VAC(L-L)
Frequency (HZ)	50/60±0.1
THD	≤1%THD, linear load; ≤5%THD, non-linear load
Waveform	Pure sinewave
AC/AC Efficency	96,00%
Overload	110% 1 hour, 125%10 mins, 150% 1 min, >150% 200ms
Battery
Voltage (VDC)	±120Vdc
Standard internal battery	Max 24 hot-swappable trays, each tray max 10 pcs 12V/9Ah, total 240 pcs 12V/9Ah
Max. current Charger (A)	20% * UPS maximum capacity
Other specifications
Recharging time	< 6 Hours
Communications	Standard: RS232, E.P.O Contact and USB Port Optional: SNMP, Modbus, Dry contact
Noise (DB)	<50dB
Temperature (°F – °C)	0°C – 40°C 32°F – 104°F
Umidity	<95%
*Dimensions (WDH) in*	23.639.378.7 in
*Dimensions (WDH) cm*	60100200 cm
Frame Weight (Lb – Kg)	617 Lb – 280 Kg
Power Module (Lb – Kg)	50.7 Lb – 23 Kg
Certifications
Standards	CE (IEC EN 62040-1; EMC IEC EN 62040-2; IEC EN 62040-3); UL1778

Catalog\Brochure Radiant Modular internal battery UPS 208V 20-100kVA

PDF - 1 MB

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Advantages

Improved Voltage Control

A 3-level IGBT inverter introduces an intermediate voltage state (0 V), yielding three discrete levels: +Vdc, OV, and -Vdc.

Lower Harmonic Distortion (THD)

3 level IGBT reduces THD compared to the 2-level's rough waveform, improving power quality and reducing harmonic

Lower switching stress

Smaller voltage transitions mean each IGBT experiences less stress and switching loss, allowing for the use of lower-voltage, faster devices.

Higher efficiency

With reduced losses, heat dissipation and improved waveform quality, efficiency jumps above 96%, especially in new demanding critical power applications.

Cleaner waveform

The staircase-shaped output more closely resembles a sine wave, reducing THD and interference.

Improved Voltage Control

A 3-level IGBT inverter introduces an intermediate voltage state (0 V), yielding three discrete levels: +Vdc, OV, and -Vdc.

Lower Harmonic Distortion (THD)

3 level IGBT reduces THD compared to the 2-level's rough waveform, improving power quality and reducing harmonic

Lower switching stress

Smaller voltage transitions mean each IGBT experiences less stress and switching loss, allowing for the use of lower-voltage, faster devices.

Higher efficiency

With reduced losses, heat dissipation and improved waveform quality, efficiency jumps above 96%, especially in new demanding critical power applications.

Cleaner waveform

The staircase-shaped output more closely resembles a sine wave, reducing THD and interference.

UPS Modular technology N+X with internal batteries VRLA

Modular UPS technology transforms power protection by delivering unmatched scalability, flexibility, and ease of maintenance in a compact, high-performance system. In the 100 kVA Radiant UPS frame, up to five independent 20 KVA power modules can be installed, each hot-swappable and fully operational without requiring system shutdown-unlike traditional fixed systems.

This architecture supports flexible redundancy configurations such as N+1 or N+N.

For example, a 60 kW load can be protected using four 20 kVA modules (N=3, X=1), allowing one module to act as a backup in case of failure or maintenance, ensuring uninterrupted operation.

Additionally, the system features 24 internal battery trays – each tray holding 10 VRLA batteries – providing space for up to 240 hot-swappable 12V/9Ah batteries.

Touch screen Smart Display

Clear Display: A 7-inch color touchscreen provides an easy and intuitive way to control the UPS.
Secure Access: Three access levels (User, Technician, Manufacturer protect system settings.
Full Configuration: Adjust input, output, battery, communication, language, and operating modes directly from the screen.
Live Monitoring: View real-time data like voltage, load, frequency, and battery status by cell at a glance.
Event History: The UPS logs up to 10,000 events, downloadable via the built-in USB port.
Generator Ready: Advanced settings ensure stable operation and communications with diesel generators.
Custom Alarms: Set and manage dry contact alarms right from the touchscreen.
Self-Cleaning: Automatic fan cycles help remove dust and keep internal parts clean.
Waveform Display: The system periodically records inverter, rectifier, and control waveforms for diagnostics.

MODELS: RAD100-IB-X

Input

Voltage (VAC)	200/208/220VAC(L-L)
Frequency (HZ)	40~70Hz
Input range (VAC)	166-261Vac(L-L)@full load, 125-166 Vac(L-L) power derate from 100% to 75%
Power factory	≥0.99
THDI	≤3%
Phase	3W+N+G

Output

Power Module (kW)	20KVA
Frame capacity (kW)	100kVA (Max 5 Modules x 20kVA)
Power factor	1
Voltage (VAC)	200/208/220VAC(L-L)
Frequency (HZ)	50/60÷0.1
THD	≤1% THD, linear load; ≤5% THD, non-linear load
Waveform	Pure sinewave
AC/AC Efficency	96%
Overload	110% 1 hour, 125%10 mins, 150% 1 min, >150% 200ms

Battery

Voltage (VDC)	±120Vdc
Standard internal battery	Max 24 hot-swappable trays, each tray max 10 pcs 12V/9Ah, total 240 pcs 12V/9Ah
Max. current Charger (A)	20% * UPS maximum capacity

Other specifications

Recharging time	< 6 Hours
Communications	Standard: RS232, E.P.O Contact and USB Port Optional: SNMP, Modbus, Dry contact
Noise (DB)	<50dB
Temperature (°F - °C)	0°C - 40°C \| 32°F - 104°F
Umidity	<95%
Dimensions (WDH) in	23.639.378.7 in
Dimensions (WDH) cm	60100200 cm
Frame Weight (Lb - Kg)	617 Lb - 280 Kg
Power Module (Lb - Kg)	50.7 Lb - 23 Kg

Certifications

Standards

CE (IEC EN 62040-1; EMC IEC EN 62040-2; IEC EN 62040-3); UL1778

Download documentation

RADIANT IB 20-100k Modular Catalog

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