Online HF UPS - 3 Phase 20 KVA 18 KW 192/240 VDC

Model: OL20E 31

₹222,876.00

₹247,640.00

10% OFF

Quick Specifications

PF 0.9

Wattage 18 KW

VDC 192/240 VDC

Battery Configuration Long Back Up UPS

Dimensions 191x495x515

Weight 28 Kg.

Product Overview

The Arrow Powertech OL20E 31 Online Long Backup UPS is a robust and high-capacity three-phase power solution designed to deliver stable, efficient, and uninterrupted power for critical infrastructure and industrial applications. With a capacity of 20 KVA and an output of 18 KW, the OL20E 31 is ideally suited for demanding environments such as data centers, healthcare facilities, industrial equipment setups, and pharmaceutical operations where continuous and reliable power is essential.

Built with advanced online high-frequency double conversion technology, the OL20E 31 ensures pure sine wave output, providing complete isolation from power disturbances such as voltage fluctuations, surges, spikes, and frequency inconsistencies. This makes it highly effective in protecting sensitive and high-value equipment including servers, medical devices, and industrial machinery. With zero transfer time, the UPS guarantees seamless operation during power outages, eliminating downtime and ensuring uninterrupted workflow.

The Arrow Powertech OL20E 31 operates on a high-voltage DC system ranging from 192V to 240V, designed to support extended external battery configurations for long backup requirements. As a three-phase UPS, it enables balanced load distribution, improved energy efficiency, and enhanced performance under heavy load conditions, making it ideal for large-scale infrastructure and utility applications.

Engineered for durability and safety, the OL20E 31 includes comprehensive protection features such as overload protection, short circuit protection, surge protection, and deep discharge protection. Its intelligent monitoring and battery management system optimizes battery performance, extends battery life, and minimizes maintenance needs.

Whether deployed in infrastructure projects, data centers, or industrial environments, the Arrow Powertech OL20E 31 Online UPS delivers clean, stable, and continuous power. It is a cost-effective and dependable solution for maintaining operational continuity, protecting critical systems, and ensuring peace of mind during extended power disruptions.

Key Features

High frequency on-line double conversion technology
Advanced DSP and 3-level technology
Output power factor 1.0
Active power factor correction (APFC), input power factor up to 0.99
High efficiency 95% (up to 98% in ECO mode)
Advanced digital parallel technology
3：1 to 1：1 model settable
Wide input voltage range (190 ~ 499 Vac) and frequency range (40 ~ 70 Hz)
50 / 60 Hz frequency auto sensing
Two modes of frequency conversion: 50 Hz input / 60 Hz output or 60 Hz input / 50 Hz output
Dual-input design, supporting independent bypass
Flexible battery configuration (settable 16 - 20 pcs batteries)
Digitally controlled charger
High charging current available (Max. 10 A)
Charging voltage and current configured by demands
Linear derating in low voltage input reducing battery discharging times, extending the service life of battery
Intelligent battery management, automatic floating / equalizing charge control, charger dormancy control, increasing battery life by 50%
Ability to switch on the UPS with batteries
Fan speed varies intelligently with temperature, reducing noise and extending its service life
Equipped with self-aging function
Compact internal layout, miniaturized the complete unit for small footprint
LCD+LED display, multi-functional keys operation, friendly human-machine interface
Powerful background software for parameters configuration
Advanced multi-platform communications: RS232, USB, RS485, SNMP and dry contacts communication interfaces
Effective software and hardware protection function, robust self-diagnostic function, and abundant event log for check

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Technical Specifications

CAPACITY
Capacity	20 kVA / 20 kW
INPUT
Input Wiring	Three-phase five-wire (3Φ + N + PE)
Rated Voltage	380 / 400 / 415 Vac
Voltage Range	190~305 Vac (linear derating 50–100% load); 305~499 Vac (no derating)
Rated Frequency	50 / 60 Hz (auto-sensing)
Frequency Range	40~70 Hz
Input Power Factor	≥ 0.99
Bypass Voltage Range	−40% ~ +15% (settable)
THDi	≤ 5%
OUTPUT
Output Wiring	Single-phase three-wire (1Φ + N + PE)
Rated Voltage	208 (PF=0.9) / 220 / 230 / 240 Vac
Voltage Regulation	± 1%
Frequency	Synchronized to bypass (mains mode); 50 / 60 Hz ± 0.1% (battery mode)
Waveform	Sinusoidal
Output Power Factor	1
THDv	≤ 1% (linear load); ≤ 3% (non-linear load)
Crest Factor	3 : 1
Overload	105–110%: 10 min · 110–125%: 1 min · 126–150%: 30 s
BATTERIES
DC Voltage	192 Vdc (192~240 Vdc settable)
Number of Batteries	16 pcs (16~20 settable)
Charger	Long-time: 5 A default, 1~5 A settable; 10 A optional
Recharge Time	Standard: 90% restored in 8 hours; Long-time: depends on battery capacity
SYSTEM
Efficiency	≥ 94% at full load · 95% max at 60% load · ≥ 98% ECO mode
Transfer Time	0 ms
Protections	Short-circuit · Overload · Over-temperature · Battery low / over / under-voltage · Fan failure
Max. Parallel Units	4
Communications	RS232 (standard); USB / RS485 / Dry contacts / SNMP / Battery temp. compensation (optional)
Display	LCD + LED
ENVIRONMENT
Operating Temperature	0°C ~ 40°C
Storage Temperature	−25°C ~ 55°C (without battery)
Relative Humidity	0~95% (non-condensing)
Altitude	≤ 1000 m; derate 1% per additional 100 m
IP Rating	IP 20
Noise Level at 1 m	≤ 58 dB
OTHERS
Dimensions W×D×H	191 × 495 × 515 (H) mm
Packaged W×D×H	285 × 593 × 618 (H) mm
Net Weight	26.5 kg
Gross Weight	28 kg